Quote:
Originally Posted by BADDASSC6
There has to be something wrong for it to detonate with a tune.
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To be clear, it does not detonate with my tune, we just had to retard the timing and adjust the A/F curve to not detonate. My tune will run ok on 91, but will ping on warmer days in the summer. With one quart of torco (very roughly 93 octane) I have no problems in any weather with any driving "style".
In other words, the tune I have is very conservative in order to protect the motor. This is not a new problem. There is power to be had with just a tune, if I fix other variables. Higher octane is the easy one, but I don't want to run race fuel everywhere. A quart of Torco per tank is fine, but that's my limit. That's why I thought things like an oil cooler, which might lower combustion temps might help. Also headers, which will lower cylinder back pressure might help. Then I can go back and get a new tune with the improved dynamics and pick up some cheap power.
