Quote:
Originally Posted by Tom Vaught
You said 10.5 and Jack said 14 so the difference is 3.5 points of compression.
It is a known fact that every point of compression will get you 3% more power.
("HO Racing rule" but verified by me at work as a valid "back of envelope" number.)
So Jack's engine would make 17.5 more HP assuming a 500 HP engine) vs your 10.5 compression ratio engine.
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My math says 52.5 HP more...?