Anyone running a 4.0/AW4 with 3.07 gears?
Thread Starter
Junior Member
Joined: Oct 2010
Posts: 72
Likes: 0
From: NW Oregon
Year: 1993
Model: Cherokee
Engine: 4.0 HO
Anyone running a 4.0/AW4 with 3.07 gears?
Considering the great low-end on the 4.0, I think a stock XJ with 3.55 could handle a drop to 3.07. (?) I wonder if there's enough gain in MPG to justify the cost of changing.
Anyone running this and willing to share MPG and comments?
Anyone running this and willing to share MPG and comments?
CF Veteran
Joined: Apr 2009
Posts: 1,601
Likes: 1
From: Kalamazoo, MI
Year: 2000
Model: Cherokee
Engine: 4.0L with throttle body spacer and cold air intake, bored throttle body, #784 injector upgrade
It might work but you could end up putting a lot more strain on your trans and torque converter.
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