gas between 2:73 to 3:73 posi
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Joined: Feb 2008
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From: Waynesville ohio
Car: 1986 corvette Z51
Engine: L98
Transmission: doug nash 4+3 speed
Axle/Gears: 3:42 posi
gas between 2:73 to 3:73 posi
Ok right now i have the 2:73 and i never am on the highway. I am going to put 3:73 posi in it and woundering what my mpg will do?
thanks
kevin
thanks
kevin
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Joined: Oct 2006
Posts: 250
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From: ludlow mass
Car: 02 Mustang
Engine: 3.8 about to be punched out to 4.3
Transmission: 4R70W
Axle/Gears: 3.73 Detroit true trac
Re: gas between 2:73 to 3:73 posi
it wont go down to much, my old 92 used to do 20s on the highway even with 3.73s
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Joined: Aug 2004
Posts: 4,168
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From: Marietta, GA
Car: '91 Firebird Convertible
Engine: 305 TBI (LO3)
Transmission: 700r4, Vette Servo
Axle/Gears: 3.27 9 Bolt, PBR disks
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