The new NGK and Brisk spark plugs are specifically designed for the 602/604 crate motor platforms, and are engineered to withstand the higher RPMs associated with race applications. Thanks for the help The new stock '602 crate motor will usually make 365 to 375 horsepower. Once you have marked it, it also might not hurt to add a timing tape like the one shown for finer control. So, its time to crack that puppy open, right? Crate Engines are a bit of an inigma for customers, the assumption is that these are remanufactured or rebuilt but that is indeed not the case. They hit speeds well over 100 mph and slide around the corners of the track. ( Arizona Golf Resort Farmers Market, Quick View. That doesnt mean theres no place for professional engine builders when it comes to crate engines. When you buy through links on our site, we may earn an affiliate commission. However, many doubt that such is the case. The guidelines for the engines differ depending on the sanctioning bodies involved, but in most cases, the crank can be ground, the block can be decked, a valve job can be done, and as small as 60cc cylinder heads can be used. Chevy 602 Crate Motor. Once youve selected a headers for your 602 crate motor, the next step is to purchase an Occipital Release Tool. can be transferred to a CT350 circle track engine when it is installed in a vehicle race car equipped with a small block V8 engine. Different series will have different rules as far as external components go. Crank--48 pounds minimum weight, can't knife edge, stock stroke for engine size, Pistons--Any flat-top, may float wristpins, Rods--Any steel rod, must be stock length, may be bushed, Heads--Stock or stock replacement, no Vortec, no porting, all bowl work must be in line with valve guide, screw-in studs allowed, Valves--Must be steel, maximum size 2.020 intake 1.600 exhaust, Rocker Arms--No shaft mount, may be steel or aluminum, roller tips allowed, Camshaft--May run solid or hydraulic, flat tappet only, 0.500-inch max lift measured at the valve (0.025 lash allowed), lifters must be stock diameter for engine run, Exhaust--Headers allowed, no Tri-Y collectors, Carburetor--May run Chevy Quadrajet, Ford Motorcraft, or box stock Holley 650 (PN 4777), carb spacer maximum 1 inch, After a little searching we found a candidate that had been pulled from a race car and basically abandoned after a blown head gasket made it unfit for racing, The connecting rod is very highly engineered and is fully machined, so even with the reduced mass, it should be capable of holding up to high rpm's and 500-plus horsepower in a racing environment. Is there any power difference between a brand new 604 and if you had one rebuilt? There are a few things to consider when making this determination. *Distributor-Locked out w/ bronze gear Distributor MSD 85501 Distributor Clamp MSD 8110. A good example are the old Target Master 350 engines and now the newer 300 hp - 350 engines. These GM 604 and 602 crate engines have found favor with some racers, and just as with any engine, they do wear out and break. 604 BJ Deal B Baze The answer may vary depending on the make and model of the vehicle, but typically, the 602 crate motor uses a cam with a diameter of .480-.490. In a recent poll I conduct on Twitter I asked the question "What are your thoughts on Crate Late Model racing?". What's the difference between 602 and a 604 CrateInsider.com 2.81K subscribers Subscribe 1.3K views 9 months ago Have you ever wondered what the difference between a GM602, and a GM604?. The 24 equal length tubes increase exhaust velocity for improved performance while the thick flanges provide an air tight seal against exhaust gasses escaping away from the cylinder heads. Call 800.979.0122, 7am-10pm, everyday. In essence, the difference between a big block engine and a small block. 891". Then we put the 604 in and ran right with them. Overall, the 604 is the better choice for most applications, but the decision ultimately comes down to personal preference and intended use. The step up on the "602 Crate" is the "604 Crate" it's the last 3 digits of the part numbers that most everyone uses. Usually posted on the starts, and blueprinting a Crate Motor > KillerCrate - CAM DOCTOR CATCHES Crate!. The heads on a 602 crate engine are designed to maximize airflow and power output. Ingram Engines is also a family run shop. Call me crazy, but if it cools down to 200-220 or so during cautions and doesn't get more than 240 on your gauge, I'd run it as long as it's not looking like a steam locomotive. The 602 can get the job done! Engine size, displacement, and horsepower all play a role in determining an engines power output. $861.09. Hedman Hedders 602 Crate Engine Swap Long Tube Headers, 2. The 602 crate motor is capable of reaching speeds of up to 200mph. Both types of engines are sealed and while certified rebuilders are allowed to refresh the engines, when it comes to major repairs it's often a simpler matter so simply replace the entire engine. The 602/604 DUI is designed specifically for these crate engines with two features that set it apart from our regular Racing DUI. There are certain angles and criteria that the valves have to meet and the seats have to meet. We will size those if needed. We also go ever some of our look-a-like parts and how they wil. 411 Motor Speedway reserves the right to alter or amend these rules at any time in the interest of fair competition. From pre-race prep, dyno break-in, test and tune. Can anyone fill me in on how 602 motors run vs the 604 this weekend, or throughout the year , ive got people asking me that question. It is important to select headers that provide adequate flow and power for the vehicles specific application, as well as optimizing the characteristics of a particular engine by allowing for higher RPM operation and increased torque. It is important to note that the 602 crate motor is not intended for use in vehicles that will be driven at high speeds or under strenuous conditions; if you plan to use your vehicle in such conditions, you should consult with a professional to determine the best cam size for your needs. Racing at Paducah? Whats the penalty for failing to meet the required measurements or criteria? Oil System. IMCA Hobby Stock Legal 602 replacement oil pan Right Hand dipstick 1 Piece rear main seal (1986-Up blocks) Pan Depth: 7-1/2" Pan Capacity: 6 Quarts (5.7 Liters) System Capacity: 7 Quarts (6.6 Liters) 10" Long 10.75" Wide right side kick out sump Pan has 3 gates, a scraper and a removable tray (all these prices include dyno service) One other option we have for a 602 is thiswe can take a brand new engine, and get you a 35 horsepower gain with a dyno session for $2,900. A lot of engine builders have been thrown out through the years. We liked the 602 IF you have a light enough car to place the lead right. Add to cart. They & # x27 ; s 604 Crate package: * GM CT400 & quot ; now. A lot of engines have been torn down through the years, Ingram says. Open Imca Crate [ 57DXYA ] < /a > Chevy 602 Crate cheats!, just for you, one at a time prepped including dyno break-in and tuning, or! What size cam is in a 602 crate motor? The GM 602 crate engine is based on the General Motors late-model 350 engine design built after 2001, and is not compatible with all parts and accessories for 350 engines produced before 2001. The economical Chevrolet Performance 602 and 604 Circle Track Engine is utilized by competitors in the various divisions presented by Crate Racin' USA. %%EOF This new device works especially well between 2500 & 4200 RPM on engines with under 500Hp at the crankshaft. How much compression should a 602 crate motor have? We correct the valve job and get the combustion chamber volume correct.. Freshen and 75 HP gain, approx. While the price point is often cheaper than a rebuild from an independent shop, a crate engine has always been an option engine builders have had to compete against. aDWQ?iv:,H\47;V62ui>kZ $164.01. I half to agree. It may not display this or other websites correctly. As a result, a 602 crate engine can provide significant gains in power and performance over a stock engine. Degree Crossover, 4-1 One-Piece, Steel, 1 3/4 in new stock & # x27 ; involved. A crate late model is exactly what it sounds like. Elite package upgrade: Stealth custom carburetor, Aeromotive bypass regulator, KRC water pump, KRC serpentine pulley kit w/tensioner, R2C air filter kit. Dan Boeser DEIEN CHEVROLET TRENTON IL. The ONLY change GM has made is a logo change on the end of the heads. NOTE different amounts of timing may be beneficial due to different fuels, exhaust designs and carburetor choices. This is a very stealthy operation and would only expect this to pass tech with flying colors. 381-2228 lot of power difference are you seeing with that vs the 650 cfm barrel. Like a NASCAR Cup Series car, LMSC run a truck arm suspension based off a 1964 Chevy pickup. With a 500 cfm 2 barrel what kind of power difference are you seeing with that vs the 650 cfm 4 barrel? Second, the 602 crate motor was designed for use in Chevrolet vehicles, which typically utilize small block engines. Crate motor carburetors have been Braswell Carburetion's "biggest growth area. Mi&@[LitGNF=uUImYZ]as;a"+svbB'>Y4_ix'\ SPEC racing is attractive because it provides a uniform platform to a drivers market with more skillful driving and competition. The first step was to take the block and crank to be machined. As a result, it is important to consult with a professional before making any decisions about compression levels. Using the shops R&D, Hendren actually developed an anti-reversion muffler, which the shop had Dynatech Headers produce. Being an approved engine builder a certain air cleaner you recommend for 604 Crate engine #! The original business was founded in 1976 in Santa Cruz, CA, where the Hendrens race shop and speed shop focused on circle track, dirt track, drag race and offshore marine engine work and parts. The shop will also cc all combustion chambers. It has a cast iron block and cylinder heads, and. This means we may have to make a few changes when we do choose a specific track to race, but at least this allows us to make a real game plan. %PDF-1.6 % Explain the difference between the 602 and 604? Many years of hardwork and dedication have earned Eagle Racing Engines a solid reputation of quality, performance and ongoing service after the sale. They used to say GM Performance Parts, and found at 2,000 rpm, one at a time Chevy! Amounts of timing may be beneficial due to different fuels, exhaust designs and carburetor choices also a.! They have 1. GM 604 Crate Engine These GM 604 and 602 crate engines have found favor with some racers, and just as with any engine, they do wear out and break. of torque between 2,500 and 4,500 rpm just by bolting them on. Then we put the 604 in and ran right with them. Recon rods. However, teams using the 604 and 602 engines will be welcome to compete on the new tour, Vaughn said. Always hear crate haters arguing they are cheated up if they are winning. if you wanna talk stats,i think the 602 probably dominated this year,especially on the smaller tracks,in my opinion i think id go with the 602,the 604 dont seem like it has anymore then the 602,especially in the right car.the 602 is the most ''bang for the buck''. Shane Cockrum won all year with the 602, and a majority of Jolly's last year and this were with 602 if I'm not mistaken. With a 500 cfm 2 barrel what kind of power difference are you seeing with that vs the 650 cfm 4 barrel? Race-1 specializes in the GM CT engines and we offer a wide variety of services specific to the 602 & 604 crate engines. Finally, while the 602 crate motor may not be technically classified as a big block engine, it does offer many of the same benefits, including increased power and torque. Verify all parts. How much difference between the beya headers versus the pro fab on a 604? 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