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how many teeth are on stock L98 flexplate, and how many are on LT1??

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Old 09-18-2002, 05:51 PM
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how many teeth are on stock L98 flexplate, and how many are on LT1??

How many teeth are on each? Im doing a swap and don't wanan spend $250 on a new starter for an LT1. cause i use the stock 350 starter at least for over the weekend??? even if i have to do a little modifications to it..
Old 09-18-2002, 07:49 PM
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Car: 1991 Firebird
Engine: 383 stroker
Transmission: T-56
pretty sure that GM used 153 teeth on flexplates in cars once the one piece rear main seal came out in 86 it think it was.
Old 09-18-2002, 11:40 PM
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Car: 1990 Pontiac Trans Am
Engine: 355 TPI siamesed runners
Transmission: Tremec T56
Axle/Gears: 12-Bolt 3.73
Yah, L98 and LT1 flexplates are the same. But the flywheels are different.
Old 09-19-2002, 04:53 PM
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ok i just found a flywheel for a LT1, and it also had 153 teeth. i hope it works..
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