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03-14-2009 03:01 PM #12
CHR Member
- Join Date
- Jan 2007
- Location
- San Jose
- Car Year, Make, Model: 1969 El Camino SS396 350HP
- Posts
- 227
160 PSI is not 10.9 dynamic compression. My engine would have blown up running 91 octane for the past 5 months. I can't remember who posted it, but I remember seeing something posted that anything less than about 185-190PSI was able to run on pump gas. The engine is right around 9:1 static compression which is a little low. I just wanted to confirm if that matched up with 160PSI. And I built the engine myself. Closed Chamber Oval port heads 96.4cc chamber with a piston that measures -1cc. Between the very small dome and the valve reliefs it is basically a flattop piston. There was no detenation detected on the dyno...Last edited by 69elko; 03-14-2009 at 03:04 PM.
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