Just for more comparative info, my 535 (under-square) made peak torque at 6300 and peak power at 7300.
My RPM drop on the shift is 850 - 900 RPM. 8" PTC.
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1978 Pontiac Grand LeMans.......out next year
Previous - 2001 Jerry Haas-built P/S Grand Am - former WJ car, Hoffman Racing 535" IA2, Tiger Heads/Intake, Single Dominator, PG
Best ET: 7.776 @ 175.94, 1.096 60', 2375 lbs.
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