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Old 10-09-2012, 02:17 PM   #15
Scooby Guru
Member#: 140444
Join Date: Feb 2007
Chapter/Region: NWIC
Location: Near Seattle, WA
05 Stage Free LGT


Originally Posted by endrswrd View Post
Looking at the second picture from nsfw it seems like hes running very conservative timing(maybe 91 octane?), but at the loads hes hitting hes in a good area, and gives you an idea of just how aggressive OP's timing will be when boost goes up.

One thing to note, NSFW has avcs, while the OP doesnt. I am sure this will have an effect on lower rpm timing, but even at redline OP's timing is high.
I run 92 octane, but I'm still on a stock longblock. I could probably afford to run another degree or three, but I don't want to push it.

AVCS is 25 degrees at 2400, tapering to 0 degrees at 4800.

The latest tables seem pretty reasonable. I'd subtract 2 degrees across the board, do a couple pulls, verify it's not knocking, then try the tables shown. Then again, with your forged pistons, you can probably afford to be less cautious then me.
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