ideal com ratio

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12-28-2005, 06:54 PM

nightrider93

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Join Date: Jun 2005

Location: The Colony, Tx

Posts: 198

ideal com ratio

looking for the ideal compression ratio on a 355 or 383 to run about 150-200 shot. with heads, cam, long tubes, custom true duals, new rear end and tranny.

01-02-2006, 03:50 PM

396D1SS

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Join Date: Jan 2005

Location: lakeland, fl

Posts: 609

Re: ideal com ratio

11:1 with 93 octane and a 150 shot will run fine but go with higer octane if you spray 150 plus

01-03-2006, 05:33 PM

n2oCamaro

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Join Date: Jun 2002

Location: Clarksville, IN

Posts: 481

Re: ideal com ratio

The dynamic compression is more important than the static compression. The cam you choose will have a huge influence on the dynamic compression.
http://cochise.uia.net/pkelley2/DynamicCR.html
You can go here to learn more about it.