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Re: Officially a 66 Suburban owner! Check it out.
He did say the heads were specific to a 400SBC. I have not personally laid eyes on the holes. Here are the numbers off the heads
passenger
333882
GM18T
E12 76
Driver
333882
GM17T
E10 76
From my research These heads are for a 350/400 years 70-80, valves 1.94/1.50 and 76cc camber(?).
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1971 Chevrolet C10(78 motor), Longbed, 69 Bed I think
Quadrajet 4 barrel 7043208, Th350 tranny, No A/C
Various components are lightly to highly modified depending on the number of beers consumed prior to modifications performed.
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