Engine Building Basics - Learn About Car ...

09 Sep.,2024

 

Engine Building Basics - Learn About Car ...

Equip Yourself For 

Success

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Every veteran racer or seasoned mechanic remembers their first engine build. Building an engine for the first time is a long, rewarding process that can significantly enhance your car's performance on the road and can spur the development of a life-long hobby. However, it's critical to the success of your engine build that you review your service manual to ensure you're set up with all the necessary tools and parts before you start spending time and money on your project.

As a longtime expert in engine building, we at Regis Manufacturing have put together this car engine building basic guide to point you in the right direction as you begin your engine build. Review the information below to get prepared for your engine build, and browse our online store for any tools or engine building parts you need along the way! We're with you through your whole build, just as we have been for engine builders across America since . Happy building!

In this guide, we&#;ll review several core aspects of engine building, including:

  • The typical engine-building process
  • Things to consider as you plan for your engine building project
  • Tips and tricks for getting the best engine for your money
  • How to test your engine build
  • The tools and parts you&#;ll need for a successful engine build

So, you're interested in getting into engine building? Good for you! Car engine building has been a hobby and a profession for practically as long as cars started mass-produced in the early 20th century. Whether you're a street or amateur racer looking to take your car to the next level or simply an auto enthusiast looking to gain more hands-on knowledge and appreciation of your vehicles, engine building can be a truly rewarding experience &#; if you know how to operate in the workshop.

 

Engine building can be expensive if you go in without a firm idea of what you're doing. Individual parts may not be expensive, but with all the components within a single car engine, your costs can add up quickly if you start buying parts and working without a plan in place and a goal in mind. We've compiled this Engine Building Basics guide to help get you started on the path towards your first engine build. Review the elements of the engine building timeline, check out our tips for how to save money and make your engine build go smoothly, and check out our online store for quick access to all the tools and parts you'll need along the way!

Engine Building Timeline

Before diving into your first engine build or even buying anything, you should take some time to plan out your work and determine the scope of your project and, ultimately, the goals you're hoping to accomplish with your engine build. How powerful and souped-up do you want to go? Can you go with your engine build? If your build is for racing purposes, when do you need to have your engine ready? There are several questions whose answers will guide your engine build and purchasing decisions, including:

 

  • Budget:

    How much can you realistically afford to spend on your engine build? Take a look around the Regis Manufacturing site to get a general idea of what to expect to spend on the parts you want, then factor in the cost for either hiring a local machine shop, or the cost of renting the necessary large tools and garage space (if you don&#;t have them) for hoisting and lowering your engine into your car for assembly once its upgrades have been completed. Don&#;t forget the cost of the engine itself if you&#;re buying one!
  • Function:

    What is the primary intended use(s) of your engine build? Are you building a high-performance engine with the goal of improving your results on the race track? Are you trying to increase your engine&#;s horsepower to beef up your muscle car? Simply trying to achieve a healthier, longer-lasting engine for your car? Determining your goals for your engine build are critical, as different types of engines need different parts and internal adjustments to perform to their maximum capability. High-performance engines used in racing, for instance, need to be adjusted to generate maximum compression for a fast start.
  • Necessities:

    Do you have the necessary space, time, and infrastructure to complete your engine build? You&#;d be surprised, but some first-time engine builders will excitedly rush into a project before realizing they don&#;t have the garage space or large tools necessary to complete an engine build and hoist the block in and out of their vehicle. For those in racing, you must also consider if you have enough time to complete a quality engine build. You should have plenty of time to build in the offseason, but if you&#;re trying to build an engine on the fly in the midst of racing season, you&#;re going to have to act quickly and decisively, and hope that any technicians or machine shops can squeeze you into their schedules.
  • Support:

    Do you know any experienced mechanics or racing professionals that can help guide you through your project? We highly recommend seeking out the help of a trusted friend or experienced professional when completing your first engine build. Engine builds aren&#;t especially difficult when you know what you&#;re doing, but engine assembly requires specific torquing and adjustment of various components within your engine, and an experienced engine builder is invaluable for learning how to assemble and inspect things the right way so you don&#;t make mistakes you end up having to fix later. Experienced engine builders can also advise your pre-build planning.

Once you&#;ve established your goals and budget for your engine build project, it&#;s time to get started! Any good build begins with acquiring the parts and arranging any special service needed to complete the work. For your first engine build, we highly recommend hiring a machine shop in addition to selecting your parts. Read more below to find out why.

How To Select The Right Parts

First of all, let's talk about engines. Are you modifying your car's existing engine, or are you buying a new one? If you're buying a new or used engine to rebuild and install in your car, you'll want to do thorough research to assure you're getting a valuable asset. You'll want to secure plenty of information about any engine you're considering buying, including:

  • The engine&#;s mileage
  • A vehicle history report on the vehicle the engine was used in
  • Details on the engine&#;s condition and any damage sustained
  • A description of the engine, including what parts it includes, notes on any wear and tear, and indication of whether the vehicle it was used in was front impact or rear impact
  • An assessment of the engine&#;s compatibility with your vehicle, if you&#;re buying one that isn&#;t for your specific make and model of

From there, review the service manual for your engine or the engine you bought to get an idea of the parts you&#;ll need to acquire to build your engine. If you&#;re making specific modifications to your engine, you can consult with an experienced friend to get an idea of the parts you&#;ll need.

Tip

Call your engine's manufacturer! Most engine manufacturers maintain technical support lines for the very reason of helping engine builders, and they'll have the most specific and verifiable information on your engine. Even veteran engine builders are known to consult with manufacturers directly to ensure they get precise details correct with their engine builds. Be sure to tell them your intended uses for the engine and, if racing, where and what you plan to race, and how fast you want to go.

How To Choose A Machine Shop (And Why They&#;re Essential For A Successful Build)

When you're ready to begin your engine build and have all your parts in place, drop off your engine for machine service at a trusted machine shop. We highly recommend hiring a machine shop to complete the more technical elements of your engine build, as they have the expertise and, most importantly, the equipment to handle the more challenging aspects of your engine build reliably. It's another expense, but do you have the equipment or budget to acquire the high-tech equipment needed to complete highly precise tasks, such as micro-polishing your crankshaft or honing the engine block? Unless you have friends or family with their own machine shop, the chances are that you could use the help of a machine shop.

Most budget-minded engine builders work with a machine shop to complete their builds, though finding a quality one can take some time. We recommend searching online for machine shops in your general area that specialize in racing engines, and choosing quality over proximity &#; meaning that you shouldn&#;t be hesitant to drive a couple hours to a reputable machine shop if there are no good local shops. Keep in mind, too, that machine shops that specialize in stock engine rebuilds generally don&#;t have the latest and greatest in technology, or the bug budgets necessary to keep the industry&#;s finest machinists around. In short, you&#;ll get what you pay for when you hire a machine shop, but good machine shop service is invaluable &#; it&#;s worth the investment.

When hiring a machine shop and delivering your engine and all necessary parts, be sure to be thorough in explaining what work you want done to the machinist. Inform them just what it is you want out of your engine when it comes to performance and quality.

Tip

If you&#;re building an engine for use in a racing vehicle, be sure to plan your engine build timeline accordingly. You&#;ll want to get your engine and all the necessary parts and goodies to the machine shop well before the engine assembly phase is set to begin. Racing specialty machine shops are generally busiest in spring &#; plan accordingly, and expect the work on your engine to take a month, or longer if you do take it in during peak season in March.

While your engine is getting serviced at the machine shop, you can use the time to complete any other work your car may need, such as filter replacements or updating your tires, and prepare for the assembly process by reviewing the engine assembly process and procedures. We&#;ve outlined the basic steps below, but for a more in-depth look, consider picking up an engine building reference book, such as Engine Blueprinting by Rick Voegelin or Power Secrets by Smokey Yunick. These books dive deep into detail on all the aspects of engine building, from the conventional engine building procedures to the extra steps taken by veteran engine builders and racing specialists. They&#;re an invaluable asset for any aspiring engine builder.

The Assembly Process

  1. Prepare for your engine assembly by gathering all the necessary engine building tools, as well as any other parts you want to add that you haven&#;t had the machine shop install for you. Here&#;s what you&#;ll need:

    Tools You&#;ll Need

    • Engine stand
    • Torque wrench
    • Deck plate
    • Piston ring installation tool
    • Piston ring filer
    • Micrometer set (for measuring your pistons and crankshaft journals)
    • Dial bore gauge
    • Dial indicator (for degreeing camshafts)
    • A clean and organized work space
  2. Clean everything twice. You&#;d be surprised, but most engine builders spend more time cleaning and degreasing their engine block and all of its components than they do actually bolting everything together. Be incredibly diligent about cleaning your engine block before starting assembly &#; even the slightest bit of dirt or grease could throw off the delicate system you&#;ve worked so hard to improve through your engine build.

    To properly clean your engine block, you can wash it using hot, soapy water, then vigorously blowing it dry to remove all moisture. Be sure to blow out all the bolt holes, too, using compressed air.

  3. Lubricate all major bearings with oil. Lubricate the insides of all the main bearings, and the lips of all rear main seals.

    Tip

    Before torquing anything, consult your engine&#;s manual to get the proper torque specs for your engine. Over-torquing the components of your engine can ruin it, and pairing proper torque specs with a few drops of oil on your fasteners will ensure proper torque.

  4. Install your crankshaft and main caps. Begin this step by greasing the camshaft bearings before installing the camshaft. Note that the caps of your camshaft are sensitive to position and direction. When installing them, snug the caps and then torque them onto your engine block, starting for the center caps first before moving outwards. After you do so, test to make sure that the crankshaft rotates smoothly without seizing up.

    Tip

    Use your micrometers to determine what size of rod and crank bearings you should be using. Your crank&#;s journals shouldn&#;t ride directly on your engine block&#;s main bearings or rod bearings! Instead, you should shoot for a fine, two-a gap. Check your engine&#;s manual to determine how large the gap should be.

  5. Install the timing belt and degree your camshaft. Reference your engine&#;s manual, and/or seek help from an experienced friend to align the timing marks correctly. You&#;ll do this by aligning the timing marks at top dead center and rotating the camshaft&#;s degree wheel correctly to set the proper valve timing sequences for the crankshaft/piston timing, intake, compression, power, and exhaust strokes.
  6. Install your pistons, piston rings, gaskets, and seals. It&#;s critical during this phase of assembly to precisely gap your piston rings. Piston rings aren&#;t made specifically for your engine, and particularly if you&#;re building an engine for a racing environment, you&#;re going to need to do the math to determine how much to file down your piston rings based on the size of your cylinder bores and how much cylinder pressure you intend to generate. This is something you should talk to your machinist or an experienced friend about if you&#;re unsure, as mismeasurement in this area can greatly hinder your engine&#;s performance.
  7. Install your pistons and rods. Lubricate your rod inserts before installing and torqueing your rod caps. As you install your rods, softly snug and torque them gradually in three stages to ensure they&#;re assembled evenly. You can do this by continually rotating the crankshaft after installing each piston and rod assembly. The goal is free rotation of the crankshaft &#; if the shaft gets difficult to turn, that indicates that either the last piston in your cylinder or your rod inserts are snagging. Your rod inserts should have each half snug up against the other without having one end slipping below the other.
  8. Install your head gasket, and be sure it is installed in the correct direction if you have a directional head gasket. Don&#;t forget to bolt the head to your engine block, or you will eventually ruin your OHC belt. Do not use gasket cement unless your engine&#;s manual specifically says to do so.
  9. Install your valve heads and valve train. Lubricate the bolts for your valve head, then torque them down, paying close attention to the length and location of each bolt. Ask a professional or experienced friend about a three-angle valve job &#; it can be a fantastic way to achieve optimal cylinder pressure without seeping past your valves. Once you&#;ve done that, install your valve train, lubricating each part as you go. Torque the train with one round of preload once finished with this step.
  10. Prep your engine for testing. Once you&#;ve got all the components installed on your engine build, fill your oil filter with motor oil, as well as whatever break-in oil your machinist recommends. Manually operate the oil pump to prime your engine&#;s oiling system, and fill the engine cooling system with a half-and-half mixture of distilled water and antifreeze. You&#;ll also want to double check that other necessary components &#; such as spark plugs, distributor caps, and fuel and air filters &#; are installed before moving forward to installing your engine build.
  11. Use a hoist to lower your engine build into your vehicle. Get any necessary help you need to make absolutely sure your engine is lowered slowly and level into your car. Once it&#;s lowered to the proper level, fasten it to the mounting brackets and reconnect all the hoses, pipes, and wiring. Reinstall your car&#;s radiator and hood, being careful to keep any parts that could melt away from your exhaust leaders.
  12. Perform an initial start-up test. Set your e-brake and block your wheels, then turn the ignition. Check the fuel delivery system if the engine doesn&#;t start. During this start-up, monitor your oil pressure and temperature gauges. Cut the engine immediately and check for fluid leaks if you get a full oil pressure reading. Cut the engine immediately if you notice anything unusual, or if anything feels off at all.
  13. Once you&#;ve passed your initial start-up test, break in your new engine by revving up the car to 2,000 rpm to thin out any oil on your camshaft. From there, you&#;ll want to run the engine at speeds between and rpm for the next 20 minutes.
  14. As you&#;re doing this, pull off the radiator cap to check for adequate flow or any leaks. Do this early in testing before it gets too hot! Make sure that your car&#;s battery is charging.
  15. At this stage, your engine build is installed and ready for the road for everyday use. If you&#;re building an engine for use in a racing environment, there may be additional tests you should run to ensure high performance. Consult with your machine shop or a trusted and experienced friend for further guidance on racing-related engine testing.
  16. Finally, be sure to change the oil frequently in your engine&#;s early life! You should change the oil after your first 100 miles, and then again every thousand miles within the first three to five months of use.

Wrapping Up

And there you have it, you&#;ve completed your first engine build! To keep your garage fully stocked and to stay equipped for future builds or modifications your engine could need check out our online store! Regis Manufacturing has been producing top-quality engine building parts and tools since the days of hot rods and T-Birds, and we&#;re proud to have built a reputation as one of the most trusted names in engine building for multiple generations.

The Ultimate Guide to Decision Engines

What is a decision engine and how does it help your business processes?

Contact us to discuss your requirements of engine tester machine. Our experienced sales team can help you identify the options that best suit your needs.

Decision engines, sometimes referred to as decision trees, are software platforms that automate business rules or business decisions &#; helping you streamline business processes that require decision-making without having to think about it. A decision engine automates these business decisions based on your business needs and the particular criteria the platform&#;s owner sets out, saving you from manual work and centralizing the decision-making process. 

What does a decision engine need to run? Besides the set of rules (logic), otherwise known as the decisioning workflow, decision engines need data. Lots and lots of data. By accessing and integrating data from multiple sources and applying these &#;rules&#; according to your criteria, voila &#; you can automate decision-making. In the finance world in particular, decision engines are often used to help you make decisions on who to lend to and helps determine which sort of products you can offer your customers.

Automated decision engines can also enable personalized pricing and offers (i.e. finance terms and interest rates), all of which are customizable to your unique needs. Some popular examples in the world of fintech/financial services include: consumer lending, loan origination, credit card approvals, auto financing, point of sale lending like buy now, pay later (BNPL), lending to SMEs, insurance policy approvals, upsell/cross-sell offers, champion/challenger strategies, audits, collections and more.  

How does a decision engine help inform business decisions?

Decision engines can help inform various types of business decisions &#; on everything from basic day-to-day operations to more high-level, strategic business decisions. 

  • Strategic Decisions: Strategic decisions are top-level, and tend to be more complex, affecting a much larger portion of the organization and often applicable for a longer term (i.e. changing cost structures or planning for longer-term organizational growth). Decision engines and automated decisioning processes can expedite and streamline various processes, improve efficiency, and allow you to make smarter decisions overall. In the case of financial services, this could mean a shift in deciding who you can lend to in order to expand your overall customer base and plan for growth. Keep in mind that more complex decision execution typically requires a large amount of data, provided from a variety of data sources. Utilizing decision engines and automated decisioning processes can help an organization access, analyze, and action a large variety of data, enabling smarter decision-making.
  • Tactical Decisions: Tactical decisions are much more focused on business processes and tend to be shorter-term and less complex. Examples include launching new products, changing product pricing, managing inventory control, and supply chain and logistics. With decision engines, you can more easily analyze performance data and help determine new pricing strategies for your financial services products or look strategically at which demographic or region to target next. 
  • Operational Decisions: Focused on day-to-day operations of a business, operational decisions are much smaller in scale. They tend to be related to overall daily production and are usually executed in alignment with the overall strategic vision of an organization. In financial services, decision engines can improve efficiency and help automate or streamline varying day-to-day decisions, including loan approvals, interest rate offers, guidance on collections, merchant onboarding, pricing optimization, compliance processes, identity verification, fraud prevention and more.

Decision Engine Framework

So how does a decision engine actually work? And how do decision engines function in a business? While it&#;s up to each individual organization (and all of the individual business rules within) how they want their business decisions to be executed, there are some basic steps that remain true across the board.

  1. Set Desired Outcomes: Look at what your goals are. What are the specific business rules that you need your decision engine or workflows to execute on?
  2. Determine Decision Criteria: What are the standards or requirements to which you are making your evaluations or decisions? For example, in the case of many credit applications, particular criteria often include income, job status, age, marital status, debt ratio, etc.
  3. Organize Data Sources: To process these business decisions based on your desired outcomes and your determined criteria, what sort of data sources do you need? Do you need traditional credit bureau data, third-party sources, alternative data like rental info, social media presence and web data, etc.?
  4. Create Decisioning Workflows: What are the necessary steps in your decisioning process? Use the configuration tools within your decision engine to lay out your workflows and business rules and enable automated decisions.
  5. Test and Iterate: Create, test and deploy your modelling scorecards and decisioning process, and look at what happens when a typical customer is put into your system. For example, if a customer applies for a credit card, their information is put into the decision engine, which then pulls in necessary data (identity verification, KYC, income verification, fraud), and rejects or approves based on the initial criteria determined. Is something missing? Can your business process be smoother? Iterate!
  6. Determine Next Steps: Where is your threshold for complex applications? Which applications need manual intervention? Straight-through processing enables instant decisions for more simple credit and lending requests, while a rules-driven decisioning process helps to identify and re-route exceptions that require more manual intervention. 
  7. Monitor and Optimize: Is your decision engine offering real business value? Keep tabs on your decisioning performance by using the information your decision engine gives you. Identify opportunities for further enhancement of your decisioning process and tools and enable more efficient decisioning &#; and business growth.

How does a decision engine function in a business?

As we&#;ve shown, there are a large variety of ways that decision engines can help inform business processes. But how exactly does it do that? In the case of financial services, think of all the manual decisions that require human intervention. If an individual needs a car loan, for example, how does a lender determine if that individual is creditworthy or not? And if they are, what interest rate or repayment terms should they be offered? Having an automated decision engine can streamline the application, approval, and funding process to ensure an efficient, superior customer experience. 

In the auto financing example, applications can move from manual, paper-heavy forms, and hours of sitting in a dealership to simplified, online applications. An individual can easily fill out an application and provide ID, which then allows a decision engine to move that person quickly and easily through the decisioning workflow along a series of pre-determined steps, according to the initial criteria.

In this case, that criteria could start with analyzing data for identity verification (is this person really who they say they are? How old are they? Do they have a valid driver&#;s license?), then move through to various factors that determine creditworthiness. Does this person have an income that is above our threshold? What is their credit score? How much debt does this person already have, and what is their debt-to-income ratio? Do they have previous loan defaults on their record?

As the decision engine automatically accesses and analyzes all the data required according to the business rules, it moves that application through the workflow based on the answers. Driver&#;s license? Check, on to the next step! Old enough to own a car? You betcha. Have a job? Yep, move along! But then comes a doozy of a credit score and a record of numerous loans having gone to collections. The buck stops here and the decision engine (as per the initial &#;instructions&#; when setting out the original workflow) stops the application and determines that this individual is NOT a risk this lender wants to take.

Of course, not all situations are as black and white as that example, but the beauty of automating business processes with a decision engine is that you can streamline and improve efficiency for many situations and types of applicants, while focusing that most precious resource, humans, on the more complex cases that require manual intervention.

Data, Data, and More Data

Despite all the wonderful ways that business processes can be improved using decision strategies, there can be no automating decision execution without extensive data and data aggregation. Data, preferably varied and from a wide range of data sources (including historical data), is critical to the decision-making process.

All financial services organizations use data to make informed decisions across the customer lifecycle &#; but having to manually access and integrate data sources is nothing short of a nightmare. Data consumption has evolved, right alongside the decision engines that data feeds into. It&#;s impossible to make accurate decisions based on business needs without the right data that aligns with the particular criteria set out. Think back to the examples previously discussed &#; where do you get information on loan payments, credit policies, credit scores, income to debt ratio, age verification, etc.? It&#;s all about your customer data sources.

These days, more and more lenders are increasingly looking to a wider range of data sources, including alternative data like rental payments, social media interactions, website info, travel data and more, to ensure: 

  • A more accurate view of identity verification
  • A more holistic view of risk and creditworthiness
  • Better fraud prevention

All this data must be accessed, analyzed, and actioned appropriately to help ensure more accurate, automated decisions that provide value to a business. As The Financial Brand said, &#;Data, by itself, is not a valuable asset. It&#;s what you do with it that counts.&#; Having a variety of data available on-demand is essential for enhancing your automated decisioning. Third-party data providers, connected through a centralized platform or marketplace with a single API, can make this data consumption effortless, giving you the ability to access and integrate numerous data sources in minutes. Use that data to test your decisioning workflows, and then iterate and adapt with ease.

AI-Powered Decisioning

The use of artificial intelligence and machine learning is growing. AI in financial services is seen as a $450 billion opportunity. But how can you use AI most effectively in your decision engines? Using AI/ML to power your decisioning process enables:

  • Improved decisioning accuracy
  • Superior fraud detection
  • Enriched customer relationships
  • Improved customer satisfaction
  • Expanded customer base
  • Optimized pricing
  • Revenue growth

McKinsey pointed out that &#;The continuing advances in big data, digital, and analytics are creating fresh opportunities for banks to improve the credit-decisioning models that underpin their lending processes&#; the banks (and fintech companies) that have put new models in place have already increased revenue, reduced credit-loss rates, and made significant efficiency gains thanks to more precise and automated decisioning.&#;

It may seem daunting to try to implement AI into your decisioning processes, but you don&#;t necessarily need data scientists on your team to make AI impactful. With a technology platform that incorporates both data sources and advanced machine learning into your decision engine, you can make use of advanced decisioning &#; and get all those benefits listed above.

AI allows you to do things that may be challenging for traditional decision engines, including enabling more approvals for unbanked consumers, adapting to rapidly changing market trends and consumer demands without sacrificing the customer experience, and finding relationships in your data (see? Data is king!) that may be otherwise unseeable. If you do happen to be lucky enough to have data scientists in-house and need to figure out a way to utilize all their expertise in your decision engine or business applications, look for a technology partner that can easily migrate existing models into a user-friendly platform.

What&#;s the benefit?

While we&#;re talking about data integrations, automated workflows, data scientists, machine learning&#; why go to all this trouble? There is immense value in using decision engines in financial services instead of manually trying to make complex decisions around your business processes. Some of the benefits include:

  • Boosted Performance: make decisions faster and more effectively, enabling optimized business performance
  • Increased Profits: lend to more customers, without increasing your risk, allowing for better profit margins
  • Improved Efficiency: save time and resources, with fewer human interventions needed and the ability to make decisions faster
  • Flexibility: change your decision criteria without having to re-do your entire workflow
  • Scalability: easily add more data integrations and new criteria or decision parameters to your workflows as your business grows or the needs of your consumers/the market changes
  • Focused Resources: save your underwriters&#; attention and manual intervention for more complex cases
  • Consistency: ensure consistency and stability in your decision-making processes, enabling enhanced customer relationships and reliability in business performance
  • Transparency: get full visibility into what your decision engine is doing and measure performance so you can easily optimize
  • Capture information: manual underwriting requires manual information capture &#; with an automated decision engine you can easily maintain information on your customers, your decisions, and your overall performance, which you can then feed back into your decision engine for further optimization

Also read: The Essential Guide to Credit Underwriting

Customer experience is more critical than ever. In an age of having everything available on demand (tv shows, rides, food delivery, workouts), your consumers expect speed. On top of that, they value customization. We want Netflix to know exactly what kind of show we&#;re up for next or appreciate when our Facebook feed is filled with ads that resonate. According to PwC, 80% of consumers rank speed as a key buying factor, and Salesforce says that 76% of consumers expect customized offers. Who has time for that if you&#;re busy making all your business decisions manually?

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The Future of Decision Engines