I'm going with 400hp/460tq.
It would make better numbers with a set of Hedman headers for a 67-69 Firebird, Harland Sharp 1.65 or Crane 1.71 ratio rockers and 10 to 10-2 compression instead of 9.75.......
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https://cliffshighperformance.com/
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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