BBC CHEVY 632 STAGE 9.5 DART BLOCK, AFR HEADS, CRATE MOTOR 812 hp BASE ENGINE
Available
$12,450.00
Product Information
| UPC | 373490795159 |
|---|---|
| Product Type | Shipped Product |
| Shipping Cost | $498.50 |
| Number of reviews | 0 |
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BBC CHEVY 632 cid COMPLETE ENGINE
HYDRAULIC ROLLER CAM 812 HP AT 5700 RPM 816 lb feet of torque at 4700 rpm. RUNS ON PUMP GAS. This engine is fully assembled from intake to oil pan. Important note. Our user id is: skipwhite, and our store name is whiteperformance1. You may have noticed other sellers using a similar name offering similar products. These other sellers have capitalized on our name as we see it, and many customers searching for us will inadvertently find them, thinking we are one in the same company. There is only one "Skip White." We are the original premier seller under this name since approximately 2003. We have no other names, nor are we associated with any other company regardless of the similarity in the name or location. Our official company name is Skip White Performance. Please see the article in the lower part of this ad for a more detailed explanation.
The engine shown above is an actual representation of the engine you will receive. Our engines can also be built for use in marine applications. Pictured below is one of our bbc engines in a customer's boat.
We also offer our engines with a lower cost basic front accessory kit, with electric water pump option and with no turn-key options at all (base engine). See all our engine listings. We also offer our bbc engines setup with a blower as pictured below. .jpg?width=1920&height=1080&fit=bounds) NEW GENERATION DART BLOCK WITH SPLAYED MAIN CAPS. WISECO PISTONS, SCAT 4340 FORGED CRANK, AND SCAT H-BEAM RODS. AFR 345cc ALUMINUM HEADS. 4.600" BORE X 4.750" STROKE - NEW GENERATION DART BLOCK WITH SPLAYED MAIN CAPS. 10.2 DECK - AFR 345cc ALUMINUM ALLOY HEADS. - COMP HYD. ROLLER CAM & COMP SHORT TRAVEL TIE BAR ROLLER LIFTERS ARE USED WITH CAM CHOICE 1. HOWARDS LIFTERS ARE USED WITH CAM CHOICE 2 AND 3 - SA GEAR BILLET TIMING SET WITH TORRINGTON BEARING AND ROLON CHAIN 9 KEYWAY. TOP OF THE LINE. - COMP ULTRA PRO MAGNUM ALUMINUM ROCKERS 1.7 RATIO. - SCAT 4340 FORGED CRANKSHAFT, CLEVITE HP BEARINGS. BALANCED ON OUR CWT BALANCER TO BELOW 2 GRAMS. - SCAT H-BEAM RODS WITH ARP 2000 CAP SCREWS. - WISECO PROFESSIONAL SERIES FORGED PISTONS. 850+HP RATED. - MELLING M-SELECT SERIES OIL PUMP WITH M-SELECT DRIVE ROD. - CHAMP CUSTOM 8 QT. OIL PAN WITH OIL CONTROL SYSTEM. - ATI SUPER DAMPER SFI RATED - TWO YEAR WARRANTY. Pump gas friendly. Our 632 Hydraulic Roller cam engine will produce 812 horse power at approx. 5700 rpm. The build sheet is at the lower part of this listing. This engine is an excellent choice for use in classic street rods, sport trucks, 4x4 trucks, and can be used as a daily driver. High mileage use is not a problem with this engine. We can also set any of our engines up for marine use. This engine will produce more than triple the horse power of the original bbc 396, 427 and 454's and an enormous amount of torque. Pump gas friendly. For those wanting to put this engine in a classic car or sport truck, select cam choice # 1 or # 2 with the Hurricane intake. This engine will deliver very impressive power in the lower rpm range, and have a very high degree of drivability and long life. See our other listings for the fully dressed out turn-key version. Two year warranty, see details below. This engine is designed to have a high level of drivability, or street manners. Cams #3 and #4 are our favorites for offering exceptional low end and mid range performance plus max drivability without needing to deepen final gearing or the need for a high stall speed torque converter. If you choose to go with the Hurricane single plane intake and the first choice cam, it will bring the hp numbers up to 812. Please read the cam info provided below on the four cam choices before purchasing this engine. It is very important that you choose the correct cam and intake for your car and its intended purpose. Here are a few good reasons why we think the 632 engine is a better choice than any of the smaller cubic inch bbc engines. 1. The 632 will accelerate any heavy car with great ease, much better than any of the smaller cubic inch bbc engines. 2. The exhaust note from this big block engine is much deeper than that of any of the smaller cubic inch bbc engines. 3. Installing this engine in heavy cars or trucks without killing acceleration, or having to deepen the final gear, and needing a huge stall converter is a real plus. This engine will accelerate a 7500 lb vehicle effortlessly. 4. Low maintenance and excellent drivability even in very heavy cars and trucks, while generating up to 812 hp. 5. Longevity and reliability. You don't have to turn the engine to a critical rpm range to produce its max hp output. There's nothing unsafe about running an engine that's well built like this up to 5,700 rpm. The hydraulic roller cam is very reliable and will not require a bronze distributor gear, as it has a normal cast gear. 6. Should you ever decide to sell your car, or truck with this engine, the resale value would be greatly increased. We do a full test run on every engine we build on a test mule. The engine is run for two intervals of 15 minutes each, and every possible issue is addressed. When you install the engine, you must verify that the timing is set at the correct value, and the fuel to air ratio must be verified. We also include an engine stand like the one pictured, wheels included, and an engine lift plate. As of 10/25/2016, we completed installation of our second brand new Super Flow 902S dyno. This dyno is dedicated for dyno testing and tuning on our bbc engine line only. De-tuned engines with different cam and intake combos will move the torque into the low rpm range, and is very desirable if you’re sporting around on the street, rather than all-out racing. The de-tuned version of this engine will also allow you to set the car up closer to stock and increase drivability to a very high degree. Throttle response is also noticeably better. We can help you with a cam and intake selection that best suits your needs. The build sheet is as follows: BBC NEW GENERATION DART BLOCK BORE 10.200" STD DECK HEIGHT
 We now use the New Generation Dart blocks in our BBC 572 engine builds. The New Generation Dart block is light years ahead in overall construction as compared to any of the other blocks on the market. Dimensional specs are spot on, and this has been an issue with other blocks we have used in the past. Many of the top engine builders, ourselves included, have found the new Dart block to be superior to the earlier generation Big M series Dart block in many ways. Dart Machinery has completely redesigned the Big M series Block. They have incorporated numerous improvements and new features to virtually every area of the block. The block is bored to size with our new Centroid touch probe machine. Few machine shops have a machine of this accuracy.
We also deck the blocks to an RA finish of approx. 15 or better. The decking procedure is also done by our Centroid CNC machine.
We often find many brand new blocks to have a sloping deck of up to 4 thous. When we're finished decking the block, it is within approx. .001 accuracy from end to end. Many machine shops fail to catch this as the machinery they use does not allow for such accuracy.
We then plate hone the block with our new Sunnen SV10 diamond hone machine. This is also a very advanced machine that hones the block with a finish unlike conventional machines.
The final step is to clean the block in our high pressure block washer. Pictured below is the rotating assembly that comes in this engine. (file photo, actual parts may vary, see details below) The pistons for the 632 are actually a -7.5cc dish.
The photos above and below are file photos. Actual appearance may vary. This picture is to give you an idea of parts used in the rotating assembly portion of this engine. All parts are brand new, first line, unblemished, and balanced in house. READ THIS LISTING COMPLETELY BEFORE YOU BUY ELSEWHERE! ********************************************************** Crankshaft Specs.
Connecting Rod Specs.
Piston & Ring Specs.
Bearing, Damper, and Flexplate Specs.
Listed below is a complete breakdown of all the parts that are included in this engine. WISECO FULLY FORGED PISTONS. WISECO PISTONS ARE 100% MANUFACTURED IN THE USA. THEY ARE ONE OF THE HIGHEST RATED PISTON BUILDERS IN THE COUNTRY. The pistons for the 632 are actually a -7.5cc dish.
The Wiseco forged pistons are rated very high in the street/strip performance industry. They are made using the 2618 aircraft alloy and have fully machined crowns. We prefer the 2618 alloy over the lower cost 4032 alloy. This alloy may fragment from the effects of detonation and if this happens, it can be very destructive to the engine. Those types of pistons are fine for stock or mild engine builds, but should never be used in carbureted engines built to high horse power levels. The forged 2618 alloy piston is much more resistant to the effects of detonation and heat. Our Wiseco Forged pistons are custom designed with an increase in compression height. This has many advantages. Here are a few facts about compression height and deck height. Our custom made pistons have a compression height that is .010 taller on bbc pistons, and .015 taller on sbc pistons, as compared to most all of the catalog pistons on the market. We find this to be a very valuable feature. Since our pistons sit at a taller than normal compression height, we only have to remove approx. .005-.010 off the deck surface of the block. Our goal is set the piston at zero deck (flush with the deck surface). This maintains the deck's thickness, making it much stronger than a block that has been cut down .025. The engine will also run a bit cooler with a thicker deck. It's well known that the deck dissipates much of the built up heat an engine generates. This also allows for future deck re-surfacing without compromising the integrity of the block. On our bbc engines, we actually leave the piston about .003 to .005 in the hole to allow for possible piston rock. Our sbc engines will have the pistons setting right at zero with the deck. You may have noticed that our Wiseco custom made forged pistons are referred to as Racing Pistons on the package. This does not mean that the pistons are for racing only. This is a generic term, referring to their ability to be used in high performance applications as well as for street rod use. These pistons are perfectly designed for use on the street, as well as for medium to upper level drag racing. We have built approximately 5000 engines using the Wiseco pistons. The engines have been for street rod and strip use. We have seen no problems, nor have there been any complaints. They are an excellent product in every respect. These pistons are also suitable for use with nitrous or blower setups. MAHLE HIGH PERFORMANCE MOLY RINGS
Scat 4340 Forged Crankshaft The picture below is a generic file photo of a Scat crankshaft.
Some of the benefits of the Scat crankshaft: The material used in this crankshaft is manufactured from an exclusive Space Age material that was designed for high strength and fatigue resistance. The Scat cranks are the best value you will ever find. The Scat crankshafts are the best way to build a strong bottom end for, street rods, dirt and circle track racing, and drag strip racing. Crank Polishing. Pictured below is our ABS crank polishing machine in action. We polish the crank on every engine we build. This extends bearing life, keeps oil cooler, and with the reduced friction, a slight increase in horsepower is gained. Many machine shops fail to do this. The finish on most cranks are at the bare minimum of acceptance, and we know this can affect bearing life. We have measured the RA finish with our profilometer, and found it to be as high as 25 RA finish on many of the cranks. We bring that number down considerably.
We now use the Clevite bearings in our engines.  Our choice of rods are the Genuine Scat brand heavy duty 6.700 H-beam rods with ARP 2000 cap screws.
We have noticed some engine builders using low cost generic rods and crankshafts in their engines. These non-branded, (no-name) products are often poor quality in many ways. You will notice many of the low end engine builders fail to mention the actual brand of the rods or cranks used in their engines. Upon further investigation you will find such parts not to be a branded name product. They may label these parts with a name, but one that is totally unrecognizable in the industry. Our experience in years past with such rods and cranks has been disappointing to say the least. Besides the obvious issues such as incorrect sizing and machining that is difficult to correct, the questionable alloy these items may be produced from and the potentially incorrect heat treating methods used, could prove to be disastrous. Little can be done to verify this and nothing can be done to correct it. Failures of such critical parts will usually result in catastrophic damage to the engine. As you may have noticed, this is why we specify the brand name and series of every part used in our engines. Many of the inferior "no-name" rods on the market will also have "no-name" rod bolts in them. We have seen these bolts before, and they are very low quality. They don't have ARP's rolled thread design, and they don't torque down with the same characteristics as a genuine ARP bolt. It's not just a matter of having a different brand bolt in the rods; these bolts are low quality in many ways. They have been known to fail in engines to a much greater degree than a high quality rod bolt, and this failure usually causes catastrophic damage in the engine. Beware of rods that don't mention the rod bolt brand. As far as we're concerned, ARP bolts are the only brand we would ever use or accept in a set of rods. Genuine ARP 2000 cap screws. ATI SUPER DAMPER SFI INCLUDED.
INTERNALLY BALANCED, SFI rated, 7.074" DIAMETER, REDUCED ROTATIONAL MASS, OFFERS EXCELLENT CLEARANCE. BILLET ALUMINUM TIMING POINTER. FEW SELLERS FINISH OFF THEIR TURN KEY ENGINES AS WE DO. We did not offer this billet timing pointer in the past. However, we noticed that there was a birds-eye view of the timing pointer from the driver side of the engine, so we decided to use these on all of our engines. 
HEAVY DUTY SFI RATED FLEXPLATE MADE IN THE USA INCLUDED.
This SFI flexplate is made in the USA and will resist cracking and warpage to a very high degree. One good telltale in identifying a low quality flexplate is the lack of welding on each side where the plate mates to the ring gear. They usually have a pale grey color to them, as they are not coated, and will rust quickly. Ours are welded on both sides, and are much thicker than an OE plate, and are zinc dichromate coated. We do offer this engine with a manual flywheel. In most cases we do have both sizes, 153 and 168 tooth, available. We offer premium grade Ram brand SFI Billet Steel flywheels for manual transmission use at an additional cost. See our other listings. This engine includes a flexplate for automatic transmission use at no additional cost. When purchasing a flywheel for manual transmission use, be sure to know what tooth count you need. There are two sizes available, and it is of the utmost importance to select the flywheel that is correct for this engine. There are several factors that must be addressed when choosing your correct flywheel. The tooth count must be correct. This is very important. There are two sizes available, and it is the bellhousing size on the transmission that determines this. Another important factor is if the engine your purchasing is internally balanced often referred to as neutral balanced or if it is an externally balanced engine, often referred to as externally balanced. Big block and small block engines will also have a different bolt pattern in most cases. To sum it up, there are three important factors to look for when selecting the correct flywheel, tooth count, int. or ext bal. and whether or not you purchasing a big block or small block engine. The Ram brand flywheels we offer are very high quality. See our other listings for a complete line of the Ram brand SFI flywheels.
Our CWT 5500 Balancer. We do our own balancing with our new state of the art CWT 5500 Series balancers. The CWT 5500 is the ultimate for precision balancing. We now have three of these in our machine shop. We consider this machine to be highly advanced compared to the Hines balancer we once used. We balance every rotating assembly we sell within 2 grams or less at no extra charge. A balance sheet is included with your engine.
Three new CWT balance machines under one roof is a rare sight.
Our crew wrapping up for the day. Pardon the mess. AFR aluminum cylinder heads. 345cc runner size.
Fel Pro 1057 premium race grade series head gaskets, ARP head bolts, and rocker studs.
ARP HEAD BOLTS AND WASHERS. HOWARDS LIFTERS & HOWARDS CHROMOLY PUSHRODS.
We use Howards brand premium pushrods in all of our engines. They are lightweight in design, yet very strong. Made in the USA from 4130 chromoly steel. Regular hardened pushrods will most likely flex in the engine when running above normal RPM ranges, and risk bending under high RPM. These do not have the welded ball on the end. We only use the swedged one pc. design, which is a well proven design far superior to the style many others use in engines. 4130 chromoly steel is also much stronger, and will resist flexing. When a pushrod flexes in the engine, you lose lift. Don't be misled by the term "hardened," as this is nothing more than a stock style low cost push rod. They will flex in the engine or possibly bend permanently. Our choice of lifters are the Howards brand tie bar lifters. These lifters are much costlier than the regular tie bar roller lifters, and have many unique features. COMP ULTRA PRO-MAGNUM ROCKERS.  The new Ultra Pro Magnum™ Roller Rocker Arms not only live up to the lofty standards of the original Pro Magnums™, but they also take stud mount rocker performance, stability and value to a whole new level. The modern arched, web-like design delivers increased strength and rigidity while still reducing the moment of inertia and optimizing the dynamic balance. Important notice. If you've read our warning on engine builders using low grade no-name rods and cranks, a similar situation exists in the roller rocker market. We do not use or sell off-shore, (no-name) roller rockers, period. They have proven to be faulty in many ways. The center trunnions are not polished, nor is the center of the roller tip true to size or polished. Metal fragments are often left inside the trunnion housing and will cause destruction of the needle bearings. The aluminum alloys used are never aircraft aluminum alloys as are used in all USA made roller rockers. They often mention the alloy as being 6061, and that is a very soft form of aluminum. The 6061 alloy used on these will assure rocker-flex on any higher than stock spring pressures, and this will affect performance. The pins and keepers that hold the parts together are often of poor quality and improperly installed. The front roller will usually scoot along the valve tip, as it can't roll properly due to rough internal surfaces. We have honestly seen valve tips that were scalloped out due to the front roller dragging across them. This will cause the valves to side-load against the valve guides in the heads and surely cause damage to them if run like this for very long. We have scrutinized these products in the past and found all of the above problems, and I can tell you there are most likely many more. We would not use them in an engine under any circumstances. You will also see many of these rockers made from stainless on the market. They use a low grade stainless that actually has a near non-existent amount of nickel in them, but that's not the real problem with them, as stainless steel has no advantage over high grade heat treated steel when it comes to a roller rocker. The lack of hardness of the rocker body is the real problem. The problems with these stainless rockers are the same as mentioned above. These are the roller rockers you see on the market for around $119 and up to $169 for the so called stainless ones. They are pure junk, in our honest opinion. They could possibly be used on a budget back yard stock build up that has a very low spring pressure, with a cam that has very low lift, but then you would be better off with the stock stamped rockers on such a build. We have heard of many engines using these rockers that came apart and spilled needle bearings into the engine, only to end up in the oil pump. It seems like some engine builders do not care how long the parts in your engine last, or they simply don't know this. I can tell you for sure that using such low grade, "no-name" roller rockers is asking for trouble. We use Comp Ultra Pro Magnum rockers in all of our BBC engines. The difference in these compared to the low grade no-name rockers on the market is huge. We are offering three cam choices listed below in this engine. Read the specs carefully.  Cam Choice # 1 By Comp Cams. Part number: 01-000-8 Special Grind. 615/615 lift. 260/266 duration 112 lobe sep. Peak advertised hp of 812 would come in around 5,800 rpm. A 2250-2500 stall converter is recommended for better acceleration when using this cam and a final gear of 3.30 or higher is all that is needed. With our single plane intake, this cam will achieve the advertised horse power. The carb used on our dynoed test engine was a 1050 Dominator. We also tried this setup with a Quick Fuel Q-1050 and horse power only dropped to 790. Drivability with the Q-Series carb would be much better than the Dominator carb. Cam lope is somewhat radical at idle. This cam offers decent drivability, but should not be used in very heavy vehicles such as 4x4 trucks. Below are our dyno results on one of our 632 engines with cam choice # 1 with a single plane intake. You results may vary depending on intake choice. The horse power numbers will always improve anywhere from 5-10 more than what the dyno results show after the rings have fully seated. Official Dyno report on our 632 engine with cam choice #1 and a single plane intake. This engine setup has a high level of drivability. The cam is only 615/615 lift, with a 112 lobe sep. hyd. roller.  Cam choice # 1 and a single plane intake.  Cam Choice # 2 By Comp Cams. Part number: 01-461-8 575/575 lift. 254/260 duration 112 lobe sep. Cam choice # 2 offers increased drivability and improved low end power, with very little sacrifice of the max power as compared to cam choice # 1, a 15 hp decrease at the most. The torque numbers will remain nearly the same and come in approximately 100 rpm lower compared to cam choice # 1. Valve train stability and longevity is increased with this cam. This cam is recommended for use in vehicles with tall gearing, and sport trucks that may encounter light hauling. Max power will be achieved at approx. 5750 rpm. You may use the single plane intake with this cam and not affect the low end power to any noticeable amount. By using cam choice # 2, your valve train will be much more reliable and longevity is certainly improved. Cam choice # 2 will allow you to run a stall converter in the 2000 rpm range. Final gearing when used in a car or sport truck could actually be in the 3.20 range or even taller, and overdrive use is possible. Mileage with taller gearing is also a plus. This cam would be most suitable in heavy vehicles weighing up to 5500 lbs. Drivability with this cam is excellent. This cam will also develop enough vacuum to operate power brakes. Official Dyno report on our 632 engine with cam choice #2, AFR heads, and a single plane intake. This setup has our 575 lift cam in it with a 112 lobe sep. The low end torque numbers would allow this engine to operate in any size vehicle without the use of a low gear or high stall converter. Basically a true torque monster with the street manners that would allow daily driving without the drama, yet producing close to 800 hp. at 5700 rpm.   Cam Choice # 3 By Comp Cams. Part number: 01-451-8 547/547 lift. 230/236duration 112 lobe sep. Cam choice # 3 offers a huge amount of bottom end torque. This cam selection is the best choice for cars that have very tall gearing or overdrive transmissions. This cam will allow the engine to operate in the 1800 rpm range. A stall converter of around 2000 rpm is recommended. Very good acceleration with excellent street manners. The peak horse power falls about 15-20 under cam choice # 2. This cam would also be excellent for heavy vehicles, quad cab 4x4 pickups. Max power is achieved at approx. 5500 or less. This cam has been very popular for those more concerned about drivability and outright longevity of the valve train and engine engine. The valve train wear with this cam would be very low. Off idle power is decent. We see no drawbacks to going with this cam. The power in the low rpm range is amazing. Vacuum should be more enough for operating power brakes. Long range cruising and operating air conditioning is not an issue with this cam. Dyno info on this cam choice coming soon. EDELBROCK SUPER VICTOR BBC TALL DECK (10.2") INTAKE MANIFOLD FOR BBC CHEVY # 2916  304 STAINLESS ALLEN HEAD INTAKE BOLTS ARE USED ON ALL OUR ENGINES.
We have several different options in valve covers. Here are our most popular choices:
These are just a few of our popular valve covers you may choose from. We do have several more choices to select from in our other listings at no additional cost.
Timing components: SA Gear 8999T billet double roller timing set. Polished Aluminum Timing Cover.
We use the top of the line SA Gear timing set with a torrington bearing and rolon chain. The difference in quality is dramatic compared to the common low-cost timing set. The upper sprocket is made from billet steel and the lower is induction hardened with nine keyways. These sets are hand matched for selective sizing. The cost on this high end timing set is approx $97.50, more than double the cost of the low level budget timing set used by many other engine builders. Should you ever want to confirm that this is what is actually in your engine, you can remove the timing cover, and you will see that this timing set is very different in appearance to the run of the mill low cost sets often used by others. This timing set is offered in three different chain tension setups, allowing us to set it up perfectly every time. One more benefit is that timing accuracy is very precise and will remain that way. This timing set will likely last for the life of the engine. This is what you will find in most solid roller engines, as they have very high spring rates, and create an enormous load on the chain and gears, compared to non solid roller setups. It may seem like a bit of overkill to use such a high end timing set, but the versatility and extreme quality outweigh the cost, in our opinion. We also offer this engine in a higher compression version with a solid roller cam option. See our other listings for the full line of our engines. Champ premium oil pan. The oil pans we use on all of our engines are made in the USA by Champ. The Champ oil pan has a full windage tray, crank scraper, and trap door. Threaded dipstick is included. Extreme duty pickup designed not to fail. The oil pan is made from a thicker than normal gauge material, and has embossed ribs in the body. This is an extended capacity oil pan. The special pickup tube is designed for this oil pan. If you think you may have a clearance issue with the 8 qt pan, let us know and we can use the stock style pan. The 8 qt pan is approx half an inch deeper than a stock pan, and the kickouts on the side are at the lower section of the sump. They start to swell outward about three inches from the bottom, approx. 3 inches or less on each side. Most vehicles have no problem with this type of pan and it's certainly a much better setup than a conventional oil pan.
The quality of these pans far exceed any of the lower priced oil pans used on many engines. We do not use the knock off oil pan gaskets on the market. Felpro premium oil pan gaskets are used on all of our engines. Pictured below is a file photo. The actual Felpro gasket used will be the correct model for this application.
Studded Mini Nut Set.
We use our premium studded mini nut set on all of our oil pans and valve covers. The nuts have a serrated face and built in washers. This is the ultimate set for securing the oil pan and valve covers to the engine and is far superior to the typical bolts used by most other engine builders. Our standard engine color is black. Custom paint work on engine blocks and oil pans is available as an optional upgrade. The pictures above and below are file photos to display the studded mini nuts. Other items seen in these pictures may not represent your actual engine.
Melling M-Select Oil Pump, and M-Select Drive rod with ARP stud.   The M-Select series oil pump by Melling has several important upgrades compared to the regular Melling M-55 Series. The gears are billet steel, and the body is stronger, coated with corrosion-resistant nitrite. This oil pump also includes the M-Select drive rod. Both components are far superior to the regular Melling oil pump and drive rods used by most other engine builders. We use this premium studded mini nut set for oil pan and valve cover fasteners. The nuts have a serrated face and built in washers. This is the ultimate set for securing the oil pan to the engine and is far superior to the typical bolts used by most other builders. We use this set on all our engines. Our new 632 engine is premium pump gas friendly, with very good street manners. NEVER run regular 87 octane in this engine, premium only unless you have opted for our de-tuned version with a reduced compression ratio. Should you ever hear any sign of pinging or clatter in the engine when accelerating, reduce timing one or two degrees. We include an engine lift plate and heavy duty engine stand with casters with every engine we build.
IMPORTANT NOTE ABOUT DE-TUNING. For those with very heavy vehicles, such as 4x4 quad cab trucks, 3/4 ton trucks, and crew cab/ex-cab trucks, Suburbans, plus trucks that may do trailer towing, we strongly recommend the de-tuned version of this engine. Our machinists have many years of experience in building racing engines. This very critical work is done to exacting specs and with great care. Many vendors do not have machinists with the experience or the proper equipment that we are fortunate to have. We have built engines that cost upwards of $50,000. All of our engine builders have been in the engine machining and engine building line of work for their entire working lives. We have a total of seven machinists/engine builders.
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