Originally Posted by gsmopar
605 Hemi, 11:1, no signs of detonation on the plugs or audible pinging on 92 octane and 32 degrees of timing.

[Linked Image]IMG_8495 by Greg Ault, on Flickr

What is your piston comp height? I have ta buy some pistons for my 572 Hemi (7.1 rod)