#13

10-06-2021, 10:30 AM

chuckies76ta chuckies76ta is offline

Ultimate Warrior

Join Date: Jun 2004

Location: Alberta

Posts: 3,369

Quote:

Originally Posted by 67GTONUT

2800RPMS @ 60MPH with 3.23's ??

Something does not seem right there.....

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.

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