So 6/10th or better quicker on 150 shot spray. 4 degrees less advance. Lifting off the gas pedal on gear changes (since I got a rev limiter in both the Roadrunner and the GTO, I don't lift when I change gears in the Roadrunner, and I wouldn't lift in the GTO if it shifts as well as the Roadrunner does. No issues bouncing off the rev limiter).
Same kind of fuel in both tanks that I would likely use. Leaded fuel will damage the O2 sensor(s) so I hear.
What makes the timing retard by 4° ?
Ignition system or separate timing control box? What ignition system do you have? I'm using a Pertronix billet aluminum distributor and Ignitor III Module.
Thanks for the thorough answer!
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