LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

Flexplate for internally balanced LT1?

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Old 07-18-2004, 08:21 PM
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Flexplate for internally balanced LT1?

Does anyone make an SFI flexplate for an internally balanced LT1. All I can seem to find are flexplates for externally balanced 86+ motors. Anyone know? A part number would be great as well! Thanks,
Dan
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Old 07-18-2004, 09:04 PM
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Re: Flexplate for internally balanced LT1?

Just buy a SFI plate and have a machine shop neutrally balance it for you. It is the accurate way to do it.
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Old 07-18-2004, 09:08 PM
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Re: Flexplate for internally balanced LT1?

i have one that came with my rotating assembly but i need a flywheel that is netural balanced
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Old 07-18-2004, 10:57 PM
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Re: Flexplate for internally balanced LT1?

The people who balance it can 0 balance the flex plate then complete the internal balance of your engine.You can get a SFI balancer for your engine and they can do the same thing,weather the new balancer is internal or external balance.
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Old 07-19-2004, 12:53 AM
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Re: Flexplate for internally balanced LT1?

ATI makes one for the one piece rear main seal. I think it is the only one. It is 180.00 The part number is 915533 It is an ATI flexplate. you can get one from SDPC 1-800-456-0211 They sell them 10.00 cheeper that ATI.

Last edited by cliff929; 07-19-2004 at 12:55 AM.
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Old 07-19-2004, 08:44 AM
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Re: Flexplate for internally balanced LT1?

You can drill or grind the spot welds on the weight welded to your flexplate and remove that weight then have a local shop spin it up for you to check balance.
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