[Amc-list] Cylinder Pressures for Race Engines

[Greg Taylor <amundaza@xxxxxxxxx>]

Hey guys,
Got  a quick question to see what cylinder pressures you guys with racing engines are running?
 
Weʼre getting ready to put together my 304 stroker on Friday, which will be about 9.78-9.86:1 compression and Iʼve engineered it to be a 10:1 engine that acts like a 12:1 motor, and so worked with Comp cams to get a 256/268 duration cam that would generate more cylinder pressure.
 
With the ROL Xtreme head gaskets, I end up with 9.78:1 compression (58-cc heads) and 215 psi cylinder pressure.
 
With Felpro 304 Hyperblue head gaskets, I end up with 9.86:1 compression (58-cc heads) and 220 psi cylinder pressure.
 
So, what kind of cylinder pressure are you guys getting with the higher compression (11-12:1) race engines with longer duration cams?
 
Thanks for the feedback.

Sincerely, 
Greg Taylor :) <>< 
Rochester Hills, MI
1989 Jeep Grand Wagoneer "TRMN8R2"

And the testimony is this, that God has given us eternal life, and this life is in His Son. He who has the Son has the life; he who does not have the Son of God does not have the life. - 1 John 5:11-12



      
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