Editing Automobile engine replacement (section)

====Chevrolet 604====
The Chevrolet engine debuted in 2002 with part number 88958604 and sold for about $5000 in 2012.<ref name="HotRod03282012" /> The 604 engine is equipped with aluminum heads, forged steel crankshaft, and an aluminum intake.<ref name="HotRod03282012" /> It produces about 400 horsepower and 400 foot-pounds of torque with a 9.6:1 compression.<ref name="HotRod03282012" />

Applications for this engine includes [[IMCA Modified]]s (starting in 2013),<ref>{{cite web |title=GM 604 Crate Engine Becomes IMCA Modified Option In 2013 |url=https://www.performanceracing.com/magazine/industry-news/08-17-2012/gm-604-crate-engine-becomes-imca-modified-option-2013 |website=www.performanceracing.com |access-date=June 25, 2021}}</ref> [[Champion Racing Association|CRA]] All Stars Tour (allowed but not required),<ref name="IMCANewPartNumbers" /> United Crate Racing Alliance,<ref name="InsideDirtRacingHowMuchCheating">{{cite web |last1=Allen |first1=Richard |title=How much "cheating" is actually taking place in Crate Late Model racing?|url=https://insidedirtracing.com/how-much-cheating-is-actually-taking-place-in-crate-late-model-racing/ |website=Inside Dirt Racing |access-date=June 26, 2021}}</ref> Big 8 Series,<ref>{{cite web |title=Big 8 Series Rules |url=https://www.elkospeedway.com/wp-content/uploads/2015/12/2016-Big-8-Rules.pdf |publisher=[[Elko Speedway]] |access-date=June 25, 2021 |date=2016}}</ref> RUSH Late Models,<ref>{{cite news |last1=Doug |first1=Kennedy |title=Sweeney RUSH Racing Series Offering a Viable Option With Crate Engine Racing to Veteran Racers Throughout the Northeast |url=https://www.rushlatemodels.com/Crates%20veteran%20story.html |access-date=June 25, 2021 |agency=RUSH Late Models |date=June 26, 2015}}</ref> Crate Racing USA,<ref name="CrateRacingUSA" /> and others.