3.2 engine in a 85 keep cherokee compatible?

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3.2 engine in a 85 keep cherokee compatible?

Postby SuperTroop95 » Thu Nov 17, 2016 6:31 pm

We have a spare 3.2 motor and a 85 Heep Cherokee with a stick and the 2.8. Because the engines are the same degrees, would the 3.2 bolt to the tranny? Yes we would have to rebuild the motor, and figure out electronics and motor mounts.
1995 Trooper LS
Want to do:
96/97 cam swap
Rebuild heads
Injector Swap
new exhaust
New suspension everything
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Re: 3.2 engine in a 85 keep cherokee compatible?

Postby Ed Mc. » Fri Nov 18, 2016 2:15 am

The 3.2 does have a 60-degree GM V6 bolt pattern that was only used for auto tranny. The MUA trans for a 3.2 fits the other, larger bolt pattern on the block. The 2.8 tranny would bolt up, but the 3.2's larger-diameter manual trans flywheel won't fit inside of a 2.8 manual tranny's bell housing.

If you converted your Jeep to automatic, you could swap-in the 3.2. Of course the GM 4L30E auto trans is a weak point.

If you can find a 3.2 or 3.5 MUA5 tranny you could conceivably bolt it into your Jeep with more work on mounts & shafts.

HTH........ed
'90 3.4 Troop LS;
'89 Troop RS (Exhaust Valve Challenged), now gone to a Good Home!
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