Good advice. I would throw timing at it till it slows up or pings, then bring it back to the last setting where it ran the best without detonation, THEN look at the initial setting, add vacuum advance, etc.....Cliff
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73 Ventura, SOLD 455, 3740lbs, 11.30's at 120mph, 1977 Pontiac Q-jet, HO intake, HEI, 10" converter, 3.42 gears, DOT's, 7.20's at 96mph and still WAY under the roll bar rule. Best ET to date 7.18 at 97MPH (1/8th mile),
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