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Pe Afr

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May 23, 2006 | 06:32 PM

#1

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Pe Afr

i'm tweeking the tune on my '04 GTO (LS1) and was wondering if everybody sets their WOT PE to ~12.5 AFR across the board or does anybody vary their AFR with their RPM?

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May 23, 2006 | 07:00 PM

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I like to set peak tq @ 12.2~12.3 and transition to peak afr @ 12.7~12.8 before bringing it back down to 12.5 at redline.

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May 23, 2006 | 07:22 PM

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Thanks for your reply. ok, so my peak torque is 4,800 RPM that I would set to 12.2-12.3 AFR then transition to 12.7-12.8 and back to 12.5 at 6,200 RPM. What do you set it for from 2,000 RPM to peak torque?

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May 23, 2006 | 07:59 PM

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12.5 is what I set mine at, but my stall never puts me there for long at all.

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