Clutch Size and bolt pattern

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Joined
Apr 17, 2013
Messages
460
Reaction score
6
Location
Virginia
My Car
1971 Mach 1
So I am assembling parts to put my new motor together. One of the quandaries I found is flywheel and clutch info.

I don't have the motor out of the car so that doesn't help. The search function didn't find me much either.

So I know my car has the 164t flywheel with 28oz imbalance. I believe it also has the stock 10 1/2 clutch. Please correct me if I am confused. So that leads me to my questions.

Can I upgrade to an 11" clutch with the right flywheel(proper bolt pattern)?

Are the bolt patterns on the flywheel the same between various clutch sizes? I thought they were different.

I ask because I am getting conflicting information on not only the flywheel and clutch(10, 10.5, 11) but the bolt patterns for the clutch mounting to the flywheel.

 
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