MetallicaMatt

iTrader: (19)

I'm running the MS3 cam in my 02 WS6...any idea where my compression ratio is?

Paint_It_Black

iTrader: (1)

Same as it is stock.

Damian

iTrader: (89)

Cams don't change static compression.

00fastta

compression ratio has absolutely nothing to do with the valvetrain. A compression ratio is when BDC is compared to TDC. BDC in this case is a value of TDC i.e. x1:1 where 1 is the size of the space at TDC compared to the space at BDC which is denoted by x1 where 1 is the space at TDC and x is the coefficient of how many times bigger the space is at BDC. Valves do not change that. combustion chambers sizes, and stroke control that.

damn college is turning me into a nutcase.

MetallicaMatt

iTrader: (19)

what are they stock? I never bothered to look it up.

Paint_It_Black

iTrader: (1)

http://www.smokemup.com/tech/ls1.php

brian_rs/ss

whoa hold up...you have 2,000 something posts, a ws6 and a 730hp vette...but u didn't know that a cam has no effect on static compression?

butler

longer duration cams lower the cold cranking compression but not compression ratio.

MetallicaMatt

iTrader: (19)

brain fart (plus I was looking at cranks)...posted it, left the house, then realized I was about to come home to a flame LOL

Damian

iTrader: (89)

You can change cranking compression/cylinder pressure with camshafts FWIW.