Quote:
Originally Posted by 67GTONUT
2800RPMS @ 60MPH with 3.23's ??
Something does not seem right there.....
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That was my thoughts. Must have orginal 4 speed tranny.
I'd leave the 3.23's and install a 5 speed tranny as mentioned. The .72 would be nice.
I have 3.73's with a TKO600 .82 OD. Cruises nicely for the speed limits here at 65 and 70 mph. Also have to consider where engine is happiest at cruise.