LT1-LT4 Modifications 1993-97 Gen II Small Block V8

Balancer question

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Old Mar 27, 2011 | 01:45 PM
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Default Balancer question

Ok guys here is my question. I had a motor built about a year ago and I didn't upgrade to an ATI like I wanted to. Well long story short I plan on ordering an new ati balencer but the old balencer looks like it has ben balanced before by the machinist. I was pretty sure that all lt1s were internally balanced but looking at the balencer that is currently on there it looks like it has been balenced.
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Old Mar 27, 2011 | 02:09 PM
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LT1 are externally balanced.
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Old Mar 27, 2011 | 02:12 PM
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Originally Posted by nitrous2fast
LT1 are externally balanced.
A stock LT1 is externally balanced at the rear (flywheel/flexplate)
The balancer (front) should be neutral.

Since you had this custom built, it may have been internally balanced.
Check with your builder (or build sheet).

I run a neutral flexplate for that reason.


Additional Reading;
https://ls1tech.com/forums/lt1-lt4-m...-balanced.html
https://ls1tech.com/forums/lt1-lt4-m...balancing.html

Last edited by James Montigny; Mar 27, 2011 at 02:18 PM.
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Old Mar 27, 2011 | 03:17 PM
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Oh I see. Thanks for the help guys I'll get with the engine builder to see what needs to be done.
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