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Old 09-22-2008, 09:40 AM   #18
swb85
On a budget like Fred Sanford
 
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Join Date: Oct 2005
Location: Topeka, KS
Posts: 2,031
Re: 350 /454 mpg differences

Quote:
Originally Posted by Baresteel10 View Post
Sorry for the hijack but, what octane are you guys running on with your higher compression motors?
10.4:1 static
8.3:1 dynamic
.039" quench pad
34* timing
runs on 91 octane all day long
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'85 Silverado swb: 383 stroker, 10.5:1, vortec heads, 232/238 roller cam, RPM air gap, performer 750 carb, stainless longtubes, 3" duals/super 44's, T56/4.11 383ci build / exterior refresh thread
'98 Camaro z28: 370ci twin turbo 370ci build
'01 Tahoe LT 4x4: 5.3, longtubes/ory, magnaflow duals, custom tune....wife's DD
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