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Green Machine · 01-01-2009, 09:27 PM

87 up 305 or 350 with one piece rear seal, use a weighted flywheel, because the rear of the crank is round, no place to put a weighted flange like the older cranks.

01-01-2009, 09:27 PM	#13
Green Machine Senior Member Join Date: Jul 2004 Location: Estherville, Iowa Posts: 3,371	Re: Weighted or non weighted flywheel 87 up 305 or 350 with one piece rear seal, use a weighted flywheel, because the rear of the crank is round, no place to put a weighted flange like the older cranks. __________________ 1968 C10 307 3spd Long Fleet ------ http://67-72chevytrucks.com/vboard/s...d.php?t=201103 1970 C10 305 Super T10 Long Fleet --- http://67-72chevytrucks.com/vboard/s...d.php?t=202285 1971 C20 383 TH350 Dana Posi ----- http://67-72chevytrucks.com/vboard/s...d.php?t=206894 2001 GMC Sierra 1500 C3 6.0