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Stock Flexplate. Internal or external balance ??

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Old 03-08-2007, 12:20 PM
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Default Stock Flexplate. Internal or external balance ??

I wanna put an SFI flexplate on my LS1. The motor has a stock short block. Do stock LS1's require an internal or externally balanced flexplate ?? I'd hate to find out the hard way. Thanks.
Old 03-08-2007, 08:07 PM
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Originally Posted by CrawlinRS
I wanna put an SFI flexplate on my LS1. The motor has a stock short block. Do stock LS1's require an internal or externally balanced flexplate ?? I'd hate to find out the hard way. Thanks.
I can't remember because I don't mess much with ls"x" stuff, but all you have to do is see if your old flexplate has a weight on it or not. Weight= external balance, No weight= internal balance.
Old 03-08-2007, 11:38 PM
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I think LS1 is going to be internal balance anyway.
Old 03-09-2007, 09:04 AM
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Originally Posted by WE TODD DID
I can't remember because I don't mess much with ls"x" stuff, but all you have to do is see if your old flexplate has a weight on it or not. Weight= external balance, No weight= internal balance.
dam, I didn't even think of that. Thanks
Old 03-09-2007, 09:40 AM
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Internally balanced.



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