Join Date: Dec 1999
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but is it cost effective?
I doubt it, most of those ad on over/underdrives are $1800+, then figure in driveshaft mods.
have to be ALOT of drivin to recoup that small gain.
and in 91 most of the Gwags had 2.72:1 gear ratios, I cant imagine the engine would be making enough power at the low rpms that+ an OD would creat to push its brick like self down the HIway!
thats just the bane of teh Full Sized Jeep owner, bad fuel economy.