I've got a two piece rear main seal 305 mated to a 700R4 in my '83 'Bird. Both are non-original pieces to the car.

I'm looking to buy a ministarter and need to determine if I've got 168 (Ø14") or 153 (Ø12-3/4") flexplate.

Is there an easy way to know this or do I have no choice but to drop the TC inspection cover and start counting teeth?

Thanks!

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'88 Formula (now) 355/T-5 w/120K
'83 Firebird (now) 305 H.O. & 4 speed slush box w/207K and looking for 300K with a MAJOR attitude

[This message has been edited by 88Stick350 (edited June 19, 2001).]

 

Take a look at your starter. If it's mounted with the two bolts straight arcross, it's a 153 tooth flexplate. If the mounting bolts are diagonal, it's a 168 tooth flexplate. The flexplate you have will be a 153 tooth flexplate.

 

Odds are it's a 12¾" one. But especially since you have a bunch of non-original parts, it could be either.

There are mini-starters that have both bolt patterns. CVR makes one like that, it's what I have on my car. Use that one or one like it and you won't have to worry about it.

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