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Old 01-07-2020, 12:13 PM   #10
Tim Ayers
Senior Member
 
Join Date: May 2010
Location: NJ
Posts: 6,177
Default Re: 47 pickup tranny

Quote:
Originally Posted by Hal Beatty View Post
With 3.55 gears in the rear end you should be capable of well over 45 mph in 3rd. What kind of rpm are you turning at that speed?

Agreed. Regardless of your transmission, 3rd gear is a 1:1 ratio. 3:55's are a nice gear set. Something else seems to be amiss.

My dad has a '49 F1 with heavy duty 3 speed and 4:11's and it will do 65 all day long.
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