View Single Post
Old 04-15-2021, 12:55 PM   #34
alexiskai
Senior Member
 
alexiskai's Avatar
 
Join Date: Apr 2018
Location: Mebane NC
Posts: 2,356
Default Re: Highest Reliable Compression Ratio

Quote:
Originally Posted by Jack Shaft View Post
Its important to note making these changes on a stock model a engine raises the engines efficiency. Higher compression, adding fuel, using a mechanical advance distributor and making it breathe better results in better economy and a cooler running engine.
As early as 1933, stock V8s were shipping with poured bearings, mechanical advance, and a 6.3:1 compression ratio. If anything, the A was under-compressed for its time.
alexiskai is offline   Reply With Quote