Search found 2 matches
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- Sun Nov 04, 2007 12:48 pm
- Forum: (LEGACY) 426 Street / Strip HEMIs
- Topic: Will my compression ratio be o.k. with 94 octane pump gas?
- Replies: 3
- Views: 3671
I'm a bit concerned about my compression ratio and pump gas. The motor is an all aluminum 572 Hemi with about 10.75:1-11:1 compression. My calculator puts it closer to 11. This is static CR. The cam is a 619 lift/255 @ .050 with a 110 LSA. I'm planning to run a total of 30 degrees timing to keep it ...