C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Flexplate question

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Old Sep 25, 2006 | 10:50 PM
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hill
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From: tullahoma tn
Default Flexplate question

i have the trans out (no 3rd or 4th gear) and going to replace the Flexplate. it has a few teeth missing .the question is there are 2 flexplates for the car witch is a 1990 auto non ZR1. one is a heavy duty and the other is not the parts store has to order eather one (non stock idom) how do i tell the difference they are both calling for the same gm number and the one in the car is not factory the price difference is $45
and $105
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Old Sep 25, 2006 | 11:04 PM
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http://www.gmpartsdirect.com/partsvoice/
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Old Sep 26, 2006 | 03:55 AM
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GM only list one flexplate for 1 piece seal cranks in 153 tooth.# 14088765.

There is a HD 1 pce flexplate listed for 168 tooth only.

Aftermarket HD flexplates are usually of thicker metal and the ring gear is welded both sides ; not on one side like stock.
Check out Summit , they have SFI rated 1 pce flexplates listed for $90
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Old Sep 26, 2006 | 06:46 PM
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Originally Posted by rodj
GM only list one flexplate for 1 piece seal cranks in 153 tooth.# 14088765.

There is a HD 1 pce flexplate listed for 168 tooth only.

Aftermarket HD flexplates are usually of thicker metal and the ring gear is welded both sides ; not on one side like stock.
Check out Summit , they have SFI rated 1 pce flexplates listed for $90
thats what i wanted to know thanks
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