[average_joe]

i have 110psi cylinder pressure at 6300' elevation, would it be alot higher at sea level ?

 

[more-torque]

QUOTE (average_joe @ May 1 2009, 08:31 PM) index.php?act=findpost&pid=40791i have 110psi cylinder pressure at 6300' elevation, would it be alot higher at sea level ?
There would be about 20% difference, of the top of my head.

 

[Wildcardracing]

20% or just a little more is a pretty accurate figure.

You'll probably see 130-135psi at sea level

 

[average_joe]

QUOTE (Wildcardracing @ May 7 2009, 08:47 PM) index.php?act=findpost&pid=4180420% or just a little more is a pretty accurate figure.

You'll probably see 130-135psi at sea level

thnx for the help. is there some formula to figure it out ?

 

[dajogejr]

Here's a chart I refer to.
Keep in mind, bore size and porting can alter cranking compression...(scroll down)

http://www.nossmachine.com/banshee_heads.htm