The rotating assembly is fully forged steel scat 4340 crank 4340 H-beam rods and Probe pistons w/hasting rings fully balanced. Low speed cruising, running an A/C, and excellent vacuum for operating power brakes are all possible with this cam. If you purchase a starter from us you will have to install it. 423 - 427 - 434 Cubic Inch / "Pro Sportsman". Fred White began competing against us even though our contract had a non-compete clause in it. Skip White Performance is a premier seller of high-performance auto parts by phone, through Ebay, & through our website. We were at one time getting calls nearly on a daily basis from people that did not realize there were two shops in this town with very similar names. The cost to do a repair once the engine is installed can be very expensive for both us as the seller and for the customer. We then establish the engine's full horse power and torque numbers at a given rpm limit. 6.0-6.5 psi. . 8a-7p EST Friday 8a-3p EST Sat 10a-3p EST (seasonal; call to confirm) 5 star rating 272,950 + reviews . 427 Small Block Chevy Pump Gas Short Block. 8a-7p EST Friday 8a-3p EST Sat 10a-3p EST (seasonal; call to confirm) 5 star rating 272,950 + reviews! You may also use NGK part # NGK 4554, a plug that is one step lower in heat range than the Autolite plug. The rod bolts are most likely to fail under hard use, moreso than the rod itself. Continue reading for info on what type oil filters to use. The NGK plug is only to be run during very hot weather. Pump gas friendly. Do notrun regular gas in this engine, no matter how much you have reduced the timing. The Schaeffer brand oil is very highly rated. As our business grew, we expanded our machine shop, and putting heart and soul in this company, we have become the number one street rod engine builder in the nation. If your engine is equipped with a choke, we recommend setting it on the mild/lean side. This is for those who want the engine to operate virtually vibration free at high rpm. We also believe in keeping our profit levels low enough to allow the working man a chance to build his car the way it should be built. It's very important that you re-calibrate the oil level marking on the dipstick. The 5 qt. Horsepower will vary, depending on cam and intake choice. The critical sizing and installation of the ARP cap screws is performed on a Sunnen machine in the USA by Scat Industries. I am sold on the AFR 195 heads, but for a whole lot less money, these combos from Skip White look pretty promising. 3349 E. Stone Dr. Kingsport, TN 37660. Contact us for shipping cost for overseas delivery. Engines that are setup with a full solid roller valvetrain should not be driven for excessively long distances or for long periods of time on the street. 400 Small Block V8: 406 cubic inches This is a stock style setup, featuring a 3.750" stroke. COMMONLY USED IN ENGINES BUILT TO 800+ HORSEPOWER. The gears are billet steel, and the body is stronger, coated with corrosion-resistant nitrite. If it was me I would stick in the lower 400 inch range. The 1,565 sq. The actual Felpro gasket used will be the correct model for this application. Neveradd anything to racing oil. The exhaust evac system we recommend is made by Moroso. These other seller Our recommendations will change from time to time. Using half a quart less oil can greatly reduce potential oil leaks. TH400, Excellent choice for high powered engines in heavy cars or trucks. It is best for the choke to open up to its full straight up position as quickly as possible. This maintains the deck's thickness, making it much stronger than a block that has been cut down .025. This timing set is offered in three different chain tension setups, allowing us to set it up perfectly every time. Heavy cars, upwards of 3800 lbs or more, would do well with this cam choice. We do offer this engine with a manual flywheel. We recommend a stall converter of around 2750-3000. The difference in quality is dramatic compared to the common low-cost timing set. These do not have the welded ball on the end. or ext bal. To sum it up, there are three important factors to look . The larger counter weights used on stroker crankshafts create a large amount of windage and are why we recommend reducing the oil capacity in these engines. Due to their limited production capability and many disagreements about the engine building process and workmanship, we opted to open a full scale machine shop back around 2005. It seems like some engine builders do not care how long the parts in your engine last, or they simply don't know this. This rate only applies to delivery to a business with the capability to unload the engine without the use of a lift gate. It is then run for approx. However, beware of some individuals on forums who think they know it all, and really know very little. tagor villas ritz carlton, abama; daredevil main villains skip white 421 sbc. No 350, 383 or 406 can be built up to the level of a 421 while running pump gas with the same compression. skip white 421 sbc. 423 - 427 - 434 "Pro Sportsman" SBC / 4.155 Bore X 4.00 Stroke Here you go Small Block Chevy Racing Engines fans! WE'VE REVIEWED WHAT THE COMPETITION IS OFFERING, AND WE'RE CONVINCED THAT WE ARE OFFERING THE BEST VALUE FOR THE MONEY. Skip to main content. We are a premier seller on eBay with a 99.5 or greater positive feedback score of well over 212,000 and growing. This 465 small block Chevy is one of those engines. We only use the swedged one pc. The heads are Dart pro 1 230 runners with all comp cams springs and 10 degree locks and retainers also manley valves with 5 angled valve job done on a cnc head shop. This report is with our new line of custom ground Comp Cams. There is one more value that we consider just as important to what we have mentioned above. SRP Pro flat or dish forged pistons - std Ford head. You must check the timing on this engine before it is driven. The battery must be 850 cca or more. Around this time we changed our company name to, Skip White Performance to make clear distinction between the two of us. Call Us: . 465 Small Block Chevy Engine. You must use a rev-limiter on this engine. Please help us spread this information to any all of your friends in the hot rod community. I'm going to give you the real lowdown on what transmissions I recommend, as well as the ones I would stay away from. The part number for the Summit/Purolator oil filter we use is 127007 for the short version, and 127004 for the medium length. We do not recommend the single plane intake combined with cam choice 1 on any car that is over approx 3,200 lbs and/or cars with a steep (tall) final gear. Skip to first item. This is somewhat, but not really, relevant to my other thread. The great pretenders continued capitalizing on our success due to the name similarity, but degraged our reputation. All in all, we have been in this business going on 20+ years. 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. Failures of such critical parts will usually result incatastrophic damage to the engine. Drivability is fair at best with this cam, unless you have a very light car, with a decent final gear. Any problems the engine may have will show up during the dyno tuning process. It's very important that you re-calibrate the oil level marking on the dipstick. The Ram brand flywheels we offer are very high quality. This is why race engines are dynoed: to put a good number of passes on the engine under heavy load, as this will partially seat the rings very quickly, making the engine somewhat ready for racing. ft. townhouse is a 3 bed, 3.0 bath unit. You may choose 1.5 or 1.6 rockers with this cam, but we recommend the 1.5 rockers for even better low end response, especially if you plan on running an overdrive transmission. After the engine is fully broken in, you may move over the Schaeffer full synthetic oil. Here is a brief outline of the average additive levels in the Schaeffer Oils as compared to Valvoline VR1. They may label these parts with a name, but one that is totally unrecognizable in the industry. For those building a mild, (detuned) street rod, (small cam choice, dual plane intake) these recommendations are not as critical. Engines used in marine applications will have a limited warranty of ONE year from date of sale. COMMONLY USED IN ENGINES BUILT TO 800+ HORSEPOWER. Howards Tie Bar Lifters or Delphi Anti Pump up lifters. Let any engine with compression numbers above 10:1 clatter and ping (aka spark knock) for very long, and you will lose the engine due to detonation, and in some cases this can happen very quickly. 304 STAINLESS ALLEN HEAD INTAKE BOLTS ARE USED ON ALL OUR ENGINES. When the time comes to change your first oil filter, the Wix racing filter will most likely improve oil pressure. We use the top of the line SA Gear timing set with a torrington bearing and rolon chain. We have no other eBay names, nor are we associated with any other company regardless of the similarity in the name or location. The 383 engine offers the best of both worlds when it comes to bottom and top end power, but the bigger cams are more demanding on gearing and stall, sensitive to weight, and suffer on drivability as well as valve train wear and tear. The larger cams could possibly cross the finish line sooner in cars that are setup properly compared to the smaller choices, but the smaller cams will have a better feel in the lower to mid rpm range without all the drama of the more radical setups above. Failing to do this not only delays the break-in, but can permanently stop the engine from establishing a good wear pattern on the cylinderwalls. (1) Precision machined in USA to our custom specifications. 20 minutes under a simulated load at around 3k rpm to promote initial ring seating. The protection against detonation is at its highest with these type pistons. A tad on the rich side is not a problem and can help resist detonation; a tad on the lean side will generate the most power and increase fuel mileage. You will also see many of these rockers made from stainless on the market. Skip White Performance. Important note. Price Trends. You may also notice that oil pressure drops at idle to approx 25-30 lbs when the engine is fully warmed up during very hot weather. Once you have put a predetermined amount of oil in your engine, and run it for a few minutes, let it sit for awhile on level ground, check the oil, and mark your dipstick with a flat file to re-establish the full mark. This will most likely destroy the gasket material used in these engines. The Wiseco Racing pistons are rated at 800+hp. On our bbc engines, we actually leave the piston about .003 to .005 in the hole to allow for possible piston rock. This is due to the fact that the dipstick, oil pan, and block are all made from various manufacturers and we often see great variances. No 350, 383 or 406 can be built up to the level of a 421 while running pump gas with the same compression. Valve train life and reliability is reduced with this cam as compared to the other choices. oil pan. The knowledge he has gained over time has allowed him to venture into this business and succeed to a very high level. Let's discuss what's going to be in the car at the drag races this year, plus some other updates fro. We offer a full line of this oil in our other listings. They may label these parts with a name, but one that is totally unrecognizable in the industry. We only use Schaeffer 20w-50 oil in our dyno room, and strongly recommend its use in our engines. Our experience in years past with such rods and cranks has been disappointing to say the least. It will certainly improve oil flow, and GPM rating. The picture below is a file photo of our Wiseco piston. Your selection of what type transmission you're going to use with your new engine is very important. If you decide to run a high volume mechanical fuel pump on this engine, then you must use the special polymer fuel pump rod that we offer, and you must also use a fuel pressure regulator, and gauge, set to approx. All the parts appear to be good quality. Gearing could be considerably taller, allowing for much better mileage and low rpm highway cruising. Three new CWT balance machines under one roof is a rare sight. They make excellent mid range power. We do our own balancing with our new state of the art CWT 5500 Series balancers. Keep the crate your engine came in to ensure a safe return to our workshop. We include an engine lift plate and heavy duty engine stand with casters with every engine we build. Damper failure rates are much higher on engines using a non-sfi damper coupled with hp ratings exceeding 450 and turn 5600 rpm or higher. READ THIS LISTING COMPLETELY BEFORE YOU BUY ELSEWHERE! We consider this machine to be highly advanced compared to the Hines balancer we once used. Felpro premium oil pan gaskets are used on all of our engines. Neveruse any of the modern day type antifreeze formulas that are used in most newer cars. The power and torque numbers down low in the rpm band are what make this such an incredible engine, compared to the smaller engines. We know there's always room for improvement. This product does not have any reviews yet. To be clear on what we're saying, we would like to see you add right at 6.75 quarts of oilgrand totalin your engine and oil filter when using the higher capacity oil pan. We did not offer this billet timing pointer in the past. 434 Small Block Chevy 615 Horsepower on pump gas 10.5-1 Compression ratio $11,995 Engine Details Starts with a Dart SHP block we fully CNC machine Eagle 4340 forged crank 4 stroke Eagle forged H beam rods 6 Mahle forged flat top pistons Mahle file fit rings Clevite H bearings Solid roller cam and lifters Double [] Skip to content. This is very important. Racing oil must be changed more often than conventional oil. SBC 421/427/434 Assemblies; SBC LT1 383 Assemblies; SBC Short Block Kits; Starters; Timing Chains & Covers; Transmissions & Accessories; Upgrades; Valve Covers & Accessories; ATK LM7-LB-3 Chevy LM7/LS1 383CI Base Engine 515HP+ Usually Ships in 4 to 6 Weeks Our Price (USD): ATK HP109 Chevy LQ4 6.0L Base Engine 505HP Usually Ships in 1 week Our Price (USD): ATK VMT23M CHEVY 6.0L MARINE ENGINE 2010-2014 Our Price (USD): ATK SP38 LS 408CI Stroker Short Block - 18cc Dish Pistons 24 Tooth We have on rare occasion seen a popular combination show hp numbers that were not where they should be. We strongly recommend reducing the amount of oil used in these oil pans by approx. The problems with these stainless rockers are the same as mentioned above. Cost of the full dyno tune option for engines with EFI fuel systems will be$100more. CHEVY SBC 421 STAGE 4.0 DART BLOCK, AFR HEADS, CRATE MOTOR 550 hp BASE. 900-950, and never too far below this unless you are running the smaller engine cam choices. CNC-Motorsports offers the best selection in SBC 302-350-358-377-383-400-415-434-441 short blocks. We also prefer draining the oil as this gives us a chance to examine it for metal particles. I know this is coming from skip white but he does have some very good cnc machining equipment. The reduced size cams would allow for a lower idle speed. 69 Nova 410" small block-Driven to track 6.39 E.T./105 MPH--6.11/112.89 w/N2O Spark Plugs:We recommend theAutolitebrand, part number Autolite 3923. Doing this may greatly reduce the chance of oil leaks, and reduce oil temps as well as other issues caused by windage. Carb size when using this cam will drop. - MELLINGM-SELECTSERIES OIL PUMP WITH M-SELECT DRIVE ROD. on this engine, then you must be sure the fuel to air ratio is correct. Since our pistons sit at a taller than normal compression height, we only have to remove approx. Pictured below is one of our actual Super Flow dyno's. This will protect the eccentric fuel pump lobe on the camshaft. 6. . Actual appearance may vary. They continued to use the White Performance & Machine name. We use Comp High Energy, Comp Ultra Pro Magnum, Comp Gold Arc, Scorpion Race and Endurance Series rockers in all of our engines. Little can be done to verify this and nothing can be done to correct it. The engine is thoroughly tested for leaks, vibration, unusual noises, overall engine sound and feel. The officially licensed body is the ultimate aerodynamic upgrade to the popular Felony platform, whether you are making speed runs on the back roads or drifting in the parking lot. These rods are made exclusively by Scat, and have nothing to do with the ProComp company. Our engine program is unlike any of the others out there. automotive. Now you know the real story, and we hope this helps with the confusion. Ohio Crankshaft. Your carb should be tuned to allow the correct fuel to air ratio. In the past, we outsourced our dyno work. We do our own balancing with our new state of the art CWT 5500 Series balancers. 2. These are hardly visible with the naked eye. We usually have to change carb. Threaded dipstick is included. Brand New. SBC CHEVY 421 ROTATING ASSEMBLY SCAT 4340 CRANK & RODS -16cc Dh. Eagle Crank 4340 ,3.875 stroke. You may have run an old car in the past that pinged and clattered under load for many miles, and this didn't seem to hurt it. Their ages range from 40 to 67. Around every 1500-2000 miles. For tech support, please use the"Ask A Question or Contact" tab. They usually have a palegrey color to them, as they are not coated, and will rust quickly. Our machinists each have many years of experience in building racing engines. If your new engine has been sitting around for weeks, or possibly months, then you must prime the oil filter. The difference is so dramatic that you would estimate the engine to have a much higher horsepower rating than it actually has. Take notice of the design of these rods. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features Press Copyright Contact us Creators . Running mid grade fuel or even regular grade fuel becomes a possibility with the reduced compression ratio. They are now shut down. It's more to do with heat range than any other factor. You may have noticed other sellers using a similar name offering similar products. Ford 302-347 Kit. 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. There is only one "Skip White." If this engine would have had the 1.6 rockers like the one above, it's fair to say the numbers would have been even higher. This timing set will likely last for the life of the engine. There are two sizes available, and it is the bellhousing size on the transmission that determines this. The upgraded SQ carb, same cfm, but rocker ratio was only a 1.5 and notice the outstanding numbers made with this cam. Hopefully we can some day restore our name that has been damaged due to the confusion between the two places. Do not worry about initial timing, as it will be determined by the total timing. You may have noticed other sellers using a similar name offering similar products. ARP-2000 rod bolts:This is one upgrade that we find to be very valuable. The part number for this oil is 709-012 for the full case. There are many benefits to this service. The carb upgrade is worth approx. There are two sizes available, and it is of the utmost importance to select the flywheel that is correct for this engine. We strongly recommend the Schaeffer Micron Moly 20w-50 grade in warm to hot weather. THISENGINE IS BUILT WITH THE BEST AVAILABLE PARTS WITH CONSIDERATION TO KEEPING THE COST OF THIS ENGINE REASONABLE. We've had zero failures on over 1500 of these engines built. There is nothingunsafeaboutrunningan enginethat's as well built as this up to approx. You may run regular gas in an emergency situation, but drive the car with reduced acceleration until you can find premium fuel. This is something that running the engine on a test mule can't provide. You could step outside these guidelines in either direction to some degree and still have very good street manners. Excellent of idle power is what to expect from this cam choice. 6" H beam rods, Eagle. MLS # DCDC2084280 All parts are brand new, first line, unblemished,and balanced in house. Basically, the initial price difference of $1,248 is worth an additional 4 lb-ft of torque and 62 hp, and you can run on 87-octane fuel. All of our 383, 406, 421 engines sold as of 2/26/22 will have the AFR Enforcer heads on them. We strongly recommend the Schaeffer Racing oil. 4.155 PISTONS 2PC RMS-350 MAINS, SBC CHEVY 427 ASSEMBLY SCAT & WISECO -18cc Dh. We will not send the engine out until it's perfect. These additives are very valuable for high performance engines. The Champ oil pan has a full windage tray, crank scraper, and trap door. If your car is over 3400 lbs, we strongly advise against this cam, unless you have a final gear in the 4.10 range or numerically higher. A mixture of 50/50 or even slightly less antifreeze will cool the engine better than a rich mixture of antifreeze. The cost of shipping the engine to us is not covered in the second year of warranty. Our crew wrapping up for the day. The part number for this oil is 0191-012, or you may run the 10w-30 weight Schaeffer Supreme 7000 series semi synthetic oil in cooler weather. Browse our selection of racing engines for 5639 today! Contrary to what is posted on their website, Fred White is no longer associated with the company in any way. .001 accuracy from end to end. We find this to be a very valuable feature. 20 minutes under a simulated load at around 3k rpm to promote initial ring seating. Building a supercharged engine with a traditional Roots-style GMC blower is about the quickest way to add power and draw attention to your vehicle at the same time. If your headers are an issue with the medium length filter, then the shorty version is acceptable. It is then run for approx. Then, mount your starter on the engine. THE CAMS LISTED WILL COVER MOST NEEDS FOR ANY STREET ROD OR SPORT TRUCK. At this point, we start the actual dyno tuning process and this focuses around the air to fuel ratio numbers and what timing numbers produce peak power. This cam would also be the best choice for those running a 700R4 trans. 12.5:1 and up to approx. Available These pistons are also suitable for use withnitrous or blower setups. Potential oil leaks are greatly reduced or eliminated by using the exhaust evac system. Champ oil pan, it has kickouts that swell outward approx. Valve train wear and noise would be nearly nonexistent when coupled with 1.5 or 1.6 rockers. This over-rich condition is very damaging to an engine, and will huge amounts of fuel. Valve train wear and noise would be nearly nonexistent when coupled with 1.5 or 1.6 rockers. Ok, change in the plan. We deck the block, bore the block, hone the block and . Their main spiel in advertising is, "In business since 1979," when in fact, we purchased the White Performance company in 2003, with the exception of the machine shop. While more stroke can be stuffed into the Dart block, the . Detonation damage is evident upon removal of the cyl. SBC 421/427/434 Assemblies SBC LT1 383 Assemblies SBC Short Block Kits Starters Timing Chains & Covers . We strongly recommend the Schaeffer Micron Moly 20w-50 grade in warm to hot weather. San Diego, CA. The standard balance job that is included with this assembly at no extra charge is certainly sufficient. There is no way for us to properly shim the starter(should it be needed)while the torque converter and transmission are not installed. Possibly better mileage, and for certain, throttle response would be excellent with this cam. You may not find a problem with any of the items mentioned above, but considering the small amount of time it takes to check them, we find it to be a valuable preventive measure. Unforeseen problems may still occur, but they are rare. This is one of the most important upgrade/options we offer. If you feel you can get by without using the choke, then by all means do without it! Run the oil and filter for a period of approx. Continue reading for more detailed information on timing and carburetion. The difference in horsepower and torque generated by the AFR Enforcer heads is monumental compared to any of the low cost sbc heads on the market. If low-octane big-block torque from a small-block package . SBC 421/427/434 Assemblies; SBC LT1 383 Assemblies; SBC Short Block Kits; Starters; Timing Chains & Covers; Transmissions & Accessories; Upgrades; Valve Covers & Accessories; If you think you will encounter clearance issues with the kickouts, we recommend opting for the stock appearing oil pan. PART #: CNC-9381-E. CNC Competition 427/434 Dart Short Block, Eagle 4.000 Crankshaft, Eagle 6.0 H Beam Rods, Dart SHP Block . See our other listings for the fully dressed out turn-key version. Our engines must be used with a rev limiter. We have owned the original White Performance company since 2003, with the exception of the machine shop, which was owned by Fred White at the time. He continued to operate the machine shop and build engines for us while we continued selling online under the eBay user ID of skipwhite and the eBay store name of whiteperformance1. Many have asked why we're able to sell such an engine for such a great price. If you're on the fence with this cam choice and the one below, then you may want to go with this cam and keep the rocker ratio at 1.5, or go with cam choice 2 and go with a 1.6 ratio. We now have three of these in our machine shop. You may wonder why we're using an extended life oil filter but want it replaced in such a short period. Engine break in:As soon as your engine is installed,check and reset the timing if needed. We're always working on research and development, as does any successful business. One thing we have noticed is that the de-tuned engines with different cam and intake combos certainly do have less top end horse power than expected, but the torque increase in the low rpm range is much greater than in the higher horsepower setup.