I used a CC 262/266 at 0.050" SR cam in a 461. I installed the springs with 220# seat pressure when new, which lost some pressure after being in service. Shifted the motor at 6500 rpm and it never skipped a beat. Got to 10.2 in the 1/4 with a 3450# car.
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1967 Firechicken, 499", Edl heads, 262/ [email protected]" duration and 0.627"/0.643 lift SR cam, 3.90 gear, 28" tire, 3550#. [email protected] mph with a 1.45 60'. Still WAY under the rollbar rule.
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