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Old 07-06-2007, 08:39 AM
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Cliff R Cliff R is offline
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What is the static compression ratio of your 455? The compression ratio has EVERYTHING to do with how well it will idle, and behave at lower rpm's.....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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Old 07-06-2007, 08:48 AM
67FB400-4SPD 67FB400-4SPD is offline
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Guessing around 11:1.....I have a set of 16's and 670's and both sets of heads have 75 cc chambers. Also running flat top KB pistons. Sort of planned on running 50/50 fuel since it is just a weekend war machine. Do all these numbers sound about right to you?

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