Thread: 3.78 vs 3.54 rear end and speedometer/miles
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Old 08-20-2020, 12:21 AM   #16
Ruth
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Join Date: May 2016
Location: Glide, Oregon
Posts: 1,339
Default Re: 3.78 vs 3.54 rear end and speedometer/miles
Quote:
Originally Posted by Jack Shaft View Post
I look at it from a different perspective 26%od with a 3.78 or a 3.54 at crusing speed of 62 mph? The 3.54 drops engine rpm down 130 from the 3.78..from 2130 to 2000 or so..better effciency,no lugging..
I'm sorry, I'm a little slow. What are you trying to relate in this post? I am having a hard time understanding...

Are you saying, go with an O/D with 3.78, go with an O/D with 3.54 or just go with the 3.54?

Thanks
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