Compression

moper said
Thanks Ram...I'm at 0' elevation...lol. You guys can "get away with" some higher ratios, but I'd still prefer living near the shore ;). A note on the .040 distance. I've run as close as .030 with good pistons, good crank, and steel rods. I know of several racers who run as tight as .027, but they can read the piston part number stamp like a mirror in the cylinder surface. They actually barely touch at 7K rpm. At least, that's what I am told. Generally, .035 to .045 is what you want. The closer, the better the effect.
Lot to be said about living at sea level, 20% more power on a naturally aspirated engine is always a good thing! Good looking women there in CT too! Years back, I used to date Rit Pustari's (The top fuel driver from CT) sister (she lives in Denver).
It's always a struggle here to get decent power at these varying altitudes. But, we've got 75 mph speed limits, world class trout fishing, and some of the best scenery in the world! Plus, there's only 3.5 million people in the entire state. No earthquakes, hurricanes, and with the "Make My Day" law, we're allowed to shoot anyone breaking into our house or garage! :thumbup:

Yep, the tighter the quench, the better the effect. You're right, keep the combustion chamber clean, and even tighter clearances are possible.

Have a great day Moper! Thogthecaveman, happy to help! :)