4 cylinder crate engines: free download. On-line document store on 5y1.org

[DOC File]ELIGIBLE MODELS & BODIES
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New Chevy Crate (602) engine allowed, NO REBUILT ENGINES ALLOWED. Valve springs may be replaced with stock OEM parts. With a valve spring pressure of 80 lbs at installed height of 1.70” 195 lbs at open height of 1.270” We are NOT making the 602 Crate Engine mandatory in 2021. The motor rules will stay the same for 2021 as they are in 2020.
gm 4 cylinder crate engines

[DOC File]2012 Late Model Rules - Grundy County Speedway
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2800 lbs Concept with 750 cfm (no HP) 4 bbl. 2750 lb with 4412 2 bbl holley 500 cfm. 2725 lbs Crate engines with 650 cfm 4 bbl holley. 6500 chip ford, 6600 chip chevy . 2700 lbs Crate GM 604* with 650 cfm 4 bbl holley. 6600 chip * GM part # 88959604 with original seals, No updates or has not been rebuilt
4 cylinder turbo crate engines

[DOC File]HIGH PERFORMANCE PONTIAC’S ARTICLE ON OUR ENGINE …
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Even the smallish 1 3/4-inch tube size is quite a bit larger than the port itself. The heads are off at this point and 4.18-inch (over .060 400) CP pistons are clearly visible. ARP head studs provide superior clamping force over regular bolts, a necessity for an engine with this power level and just 4-head bolt holes per cylinder.
4 cylinder crate motor

[DOC File]SOUTH SOUND SPEEDWAY
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You may use the GM 6-3/4” harmonic balancer, part # 12551537, or the GM harmonic balancer that comes with the crate engine. (D) It is mandatory to use the GM 1.5 ratio rocker arms, part # 12367345, on all GM sealed crate engines. (E) It is mandatory for all crate engines to use the 650 CFM Holley, part # 0-80541-1 carburetor.
ford 4 cylinder racing engines

[DOC File]A
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Engines with front mounted distributors: up to four inches (4”) setback from centerline of upper ball joints. Crate Engines may use four-inch (4”) setback. Engines may not be offset more than one inch (1”) from centerline of car. Front center of crankshaft must have at least ten inches (10”) of ground clearance.
4 cyl crate engines complete

4 cylinder crate engines