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flexplate?

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Old Mar 25, 2004 | 06:14 PM
  #1  
meridius's Avatar
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Joined: Jun 2001
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From: Allensville, PA
Car: 1988 Trans Am GTA
Engine: 5.7 TPI (Now HSR)
Transmission: 700R4 by Probuilt
Axle/Gears: 3:27 9 Bolt Posi W/ Discs
flexplate?

I would just like to know what flexplate came on the stock 84 L69s. I need tooth number bolt pattern and if my crank is a one or two piece rear main so I can order a new flexplate for my car.
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Old Mar 25, 2004 | 06:53 PM
  #2  
westman's Avatar
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From: Boise, ID
Car: 90 Camaro RS
Engine: 6.3L 383 V8
Transmission: 700R4
More than likely its a 2-piece seal with a 153 tooth count. All bolt patterns are the same as far as I know. The blocks changed over at 86'.
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Old Mar 25, 2004 | 07:01 PM
  #3  
five7kid's Avatar
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From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: L92/LQ4 (both w/4" stroke)
Transmission: 4L80E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
All crank to flexplate bolt patterns are the same for 2-piece rear main seals.

One-piece and two-piece cranks have different bolt patterns.

So, yes, 153-tooth, 12-3/4", 2-piece RMS is what you need.
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