C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Harmonic Balancer size?

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Old Jul 11, 2005 | 03:26 PM
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Billdavis83's Avatar
Billdavis83
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Default Harmonic Balancer size?

I am buying a new balancer for my 85 and am concerned on what diameter to get. I would just measure the old one, but I don't have easy access to it. Anybody have an idea?
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Old Jul 11, 2005 | 04:16 PM
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From: The Black Hole LA
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I just bought one for my 383 build and had to get a 6.75 inch balancer because the stock 400 balancer (which I need a 400 one for the 383) is to big being 8 inches. Somebody measured once and I believe it was like 7.25 inches was the biggest you can have and still clear everything.
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Old Jul 11, 2005 | 04:19 PM
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From: Saginaw TX
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OEM for 86 L98 is 6.75 inches. Just went out and measured the new one I got from Chris at Superior.
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Old Jul 11, 2005 | 05:10 PM
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From: SWEDEN 1984 c4 with Edelbrock RPM toppkit
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Grab the hammer... then you can put on 8"

I have 8" on mine

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