The v6 motor
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Junior Member
Joined: Aug 2010
Posts: 96
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From: Naples, Fl
Year: 1989
Model: Cherokee
Engine: 4.0
Im looking to buy a 87 comanchee single cab long bed 4x4. It has the v6 i think 2.8. Just wondering how this motor is. Haven't seen these motors too often just want some feedback on it.
The 3.1/3.4 is a marked improvement over the V6-2.8, the later THM700R4/4L60(E) is a significant upgrade over the "Baby 904" (A904 w/GM Metric bellhousing,) and the NP231C is an improvement over the NP231J (1.25" wide drive chain, vice 1" in the NP231J.)
I'd go ahead and get the MJ - but plan on a swap fairly soon...
(NB: If you don't mind a little more work, Advance Adapters makes a drop-in mount cradle for the SBChevvy - which should also fit the V6-231 and V6-262. This expands your donor options, since the V6-262 was found in the S10/S15, Astro/Safari fan, (which also came in 4WD,) the Caprice, the K10/1500 and K20/2500 pickup/Suburban, and probably a few other vehicles I'm not thinking of offhand.)
As far as identifying the Goodwrench Service Replacement engines/blocks in FWD vehicles, it's easy. Check for an unused starter motor mounting pad on the back of the engine as mounted, directly opposite the one on the front that is being used. GSR engines are cast/machined to go in FWD or RWD applications (a dedicated FWD engine will have the stater motor mounted on the wrong side for RWD use.)
Thread Starter
Junior Member
Joined: Aug 2010
Posts: 96
Likes: 0
From: Naples, Fl
Year: 1989
Model: Cherokee
Engine: 4.0
Thanks for the imput guys. Im getting the truck around 500 bucks i think. It runs and drives good, just didnt know how that motor was. I can easily throw in a different motor out of a s10.
CF Veteran
Joined: Jun 2009
Posts: 2,173
Likes: 0
From: Columbus, Ohio
Year: 1997
Model: Cherokee
Engine: 4.0, comp cam, 99 intake, apn header, neon injectors, Thunderbolt 2.5" High Flow Cat
the 2.8 v6 is a gm motor that was used in the s-10's in the 80's... not worth swapping in another S-10 motor. Find you a donor cherokee with the inline 6 and swap that in with the wiring harness and all.
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