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Using a two peice seal flexplate on a one piece motor?

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Old 12-30-2008, 01:08 PM
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Car: 91 rs
Engine: Blow through 383, 10 psi, xr288hr
Transmission: Manual th350 ATI 3000
Axle/Gears: 3.50 9"
Using a two peice seal flexplate on a one piece motor?

I can get a good flexplate cheap from a friend for a two piece seal engine, but mine is a one piece. Can I use it?
Old 12-30-2008, 03:53 PM
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Re: Using a two peice seal flexplate on a one piece motor?

No. The bolt pattern is different and his won't have the proper counter weight.
Old 12-30-2008, 09:36 PM
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Car: 91 rs
Engine: Blow through 383, 10 psi, xr288hr
Transmission: Manual th350 ATI 3000
Axle/Gears: 3.50 9"
Re: Using a two peice seal flexplate on a one piece motor?

Ah yes the internally balanced vs external.
Old 12-31-2008, 08:29 AM
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Re: Using a two peice seal flexplate on a one piece motor?

Originally Posted by Batass
Ah yes the internally balanced vs external.
unless his is a 400 flywheel, they're both internally balanced. The one-piece rear seal crank does not have a conter-weighted flange, thus they put a weight on the flywheel. They are still considered an internally balanced engine.
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