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**Clyde65** · 05-10-2017, 07:51 AM

I have a 4l60e with 3.73 posi, 29" tires. I like how responsive it is and yet I get 20mpg on the highway at @2100rpm.

05-10-2017, 07:51 AM	#7
Clyde65 1965 Chevy C10, 2005 4.8L/4l60 Join Date: Aug 2004 Location: DFW Texas Posts: 8,539	Re: 3.73 or 3.42 I have a 4l60e with 3.73 posi, 29" tires. I like how responsive it is and yet I get 20mpg on the highway at @2100rpm. __________________ Clyde65 Rebuild of Clyde http://67-72chevytrucks.com/vboard/s...84#post8338184 69 Aristocrat Lo Liner build http://67-72chevytrucks.com/vboard/s...84#post7561684 *support our troops!*