There’s a reason that all the latest generation LS engines and especially the new gasoline direct injection (GDI) LT1 Corvette engine have higher compression ratios. Assuming that the added compression is not excessive, adding compression is the best way to improve power while also improving efficiency. Jeff Smith: Raising the compression ratio is an excellent idea for several reasons. I’m thinking a little extra compression wouldn’t’ hurt but I can’t afford a set of aluminum heads. The engine runs fine on the cheap 87-octane stuff and doesn’t ping at all. The other parts are an Edelbrock Performer intake, a 600 cfm Holley carb, and cast iron exhaust manifolds. The previous owner said it was rebuilt and has a cam but he couldn’t remember the specs. I don’t know much about the engine because it came in the car.
These parts are designed and intended to be used with experts supervising their installation and use, to help assure the proper and safe operation of the vehicle.Is there a cheap way to increase compression on my small block Chevy? I have a 350 small block with iron heads. Many parts intended for use on private property, including racing on a track, are not designed or tested for crashworthiness or to meet safety standards applicable to public-road use, and may adversely affect the original intended performance or handling characteristics of the vehicle. Chevrolet Performance customers are responsible for ensuring their use of Chevrolet Performance parts complies with applicable federal, state/provincial, and local laws, regulations, and ordinances. Federal or Canadian Motor Vehicle Safety Standards and should not be operated on public roads. Unless specifically noted to the contrary herein, vehicles equipped with Chevrolet Performance Parts may not meet U.S. These parts are designed and intended for use in vehicles operated exclusively for competition: in racing or organized competition on courses separate from public streets or highways.
Unless specifically noted to the contrary herein, vehicles equipped with Chevrolet Performance parts that are emissions-related may not meet U.S., Canadian, and state and provincial laws and regulations relating to motor-vehicle emissions.
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