Quote:
Originally Posted by Kenth
No need for a second balancing, IF the flexplate and damper are truly neutral, which they should be.
If in doubt, check the flexplate and damper FIRST, to avoid headaches later.
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The shop that does my balancing always balances a neutral balance rotating assembly first without the flexplate and balancer. Then they add the flexplate and balancer with the fasteners I will be using (ARP) to make any mods on the flexplate and balancer that are necessary. He has done a 402, 427 and a couple of 327 Chevys that way for me, seems to work well so I let him do how he wants.
I have not worked on a Pontiac since the mid 1980's, trying to re-educate myself! Always liked the way Pontiacs ran vs Chevy, but much easier using a Chevy engine in a Chevy truck (I have three square bodies). I did remember enough that when I bought a bare block years ago, I got one that could use early and late motor mounts! Then I found a 400 crank for the good 400 block and then a set of 6X-4 heads - all I was missing was a Pontiac to put it in! Then I found my 1974 Grand Prix in late 2024!