Quote:
Originally Posted by SCOTI
For optimum performance, the suggested premium fuel should be used.
Most GM ECU's simply tweak the timing to adjust for fuel quality. In the 02 TransAm (LS1/6) I drove, you could run 87 w/o issue..... it just didn't have the same power it would if using 92.
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Well that makes me feel good about this motor, those ECU's are pretty impressive. I really appreciate the info