balancer size - Team Camaro Tech
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post #1 of 5 (permalink) Old Nov 11th, 01, 07:16 AM Thread Starter
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Join Date: Nov 2001
Location: springlake, nc,usa
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in comparison to a 283,327, or 350, what does a 302 balancer look like. anything special to look for besides a DZ stamping on the block? also where do i look for info on decoding block numbers using the web?

[This message has been edited by silk (edited 11-11-2001).]
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post #2 of 5 (permalink) Old Nov 11th, 01, 12:40 PM
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I think the 302 had the biggest SB damper on it that was made but might be wrong. pdq67

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post #3 of 5 (permalink) Old Nov 11th, 01, 02:52 PM
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DZ302's used an 8" balancer (P/N 3947708); note that 1969 was the first year with the timing mark NOT in line with the crank keyway; it was offset 9 degrees counter-clockwise from the keyway, and requires the corresponding 1969 timing cover - the tab covers almost the full width of the balancer.

'69 Z28 Fathom Green
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post #4 of 5 (permalink) Old Nov 11th, 01, 06:09 PM Thread Starter
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well i have not had the chance to measure it or look for part numbers, but if this is a real 302 it has a big balancer, that i do know. thanks for the info.
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post #5 of 5 (permalink) Old Nov 12th, 01, 06:00 AM
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I've always found it odd that the first gen Z-28's 302 had the bigger 8 inch balancer, but used the small 10.5 inch clutch...all other engines of that period had big-big or little-little.
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