In a message dated 2/27/01 11:09:02 AM Pacific Standard Time,
JFrymark@aol.com writes:
<< Acquired a '66 TR4A IRS w/OD for parts. Can I assume that if stock the
ring
and pinion are 4.1:1? I know 3.7:1 was standard with non-OD cars.
>>
Some TR-4's with OD had a 4.11 Differential, but in my opinion, most did not.
I could be wrong. I bought a couple axle assemblies (and looked at some
others in the dim past) from OD TR-4s, and they all turned out to be 3.7's.
You are in to counting teeth. IRS may be a different story.
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