Re: [AMC-list] Fw: 1980 Spirit 4cyl to 4.0 Engine Swap

[Frank Swygert <farna@xxxxxxxxxxx>]

YES -- you will need a Spirit/Gremlin/Hornet/Concord six cylinder 
crossmember AND the mounts that bolt to the side of the six cylinder 
engine from one of those. There's a bit more you need -- the fan and 
water pump froma Grand Cherokee or Wrangler if you want to use the 
mechanical fan, or use an electric fan. you need the engine and wiring 
harness from a pre 96 (87-95, but most use 91-95) Cherokee, NOT the 
Grand Cherokee. The Grand has more electronics to work around, as do 96+ 
models. If you want to swap in the instrument cluster too you can more 
easily use a 96+. It's been done! The 87-90 Renix system doesn't have 
the nicer diagnostics of the 91-95 HO, but the wiring harness is 
separate. It's still more power -- I wouldn't pass a good deal up on a 
Renix (I run one in my 63 Classic). The 91-95 HO has the body and engine 
wiring all together. UNPLUG the wiring from the firewall so you can 
easier ID the wires with a pin-out from the year Cherokee it came from. 
Do the same with the Spirit. For the 91-95 harness PULL all your Spirit 
under hood wiring from the firewall plug out. Use the Cherokee wiring 
harness intact, don't try to separate the wires out.This works better, 
though you may have to change a few connectors and lengthen some wires 
for lighting. Lay everything from the Jeep in the Spirit. Best to pull 
everything attached to the harness out with it and leave it attached. 
Then cut the firewall plug from the Spirit and Jeep harnesses and match 
the wires. You may have to run a few wires from the Jeep harness that 
have no match through the firewall, and you may have a few unattached 
wires. Should be enough to run even without those extra wires. One of 
the extras will be the check engine light.

For more info go to www.theamcforum.com and see the six cylinder 
section,where there is a 4.0L swap sub section.


---------------------------
Date: Thu, 5 Jan 2012 09:52:13 -0600
From: "Eddie Stakes"<eddiestakes@xxxxxxxxxxxxxxxxxxxx>
To:<baadassGremlins@xxxxxxxxxxxxxxx>,<amc-list@xxxxxxxxxxxx>
Cc: Tim<madjeepr2@xxxxxxx>
Subject: [AMC-list] Fw: 1980 Spirit 4cyl to 4.0 Engine Swap
Message-ID:<8961161AA71547C5B86EEC8ABC8A31A5@piageedc1iqa5q>
Content-Type: text/plain; format=flowed; charset="utf-8";
	reply-type=original

Tim below is looking for some conversion information, anyone willing to 
chime in or reply please copy your reply to Tim&  thanks in
advance to all who might reply.
Eddie Stakes
713.464.8825
eddiestakes@xxxxxxxxxxxxxxxxxxxx
www.planethoustonamx.com


----- Original Message -----
From: "Tim"madjeepr2@xxxxxxx


> I have a 1980 Spirit with the I4 and an automatic. I am wanting to swapin a late model Cherokee 4.0 complete with fuel injection
> and other electronics, transmission and possibly the rearend. The main questions I had concerning the swap was the engine
> crossmember in the Spirit. Does it need to be swapped out for the 6cylinder Spirit crossmember? Is there anyone that has done this
> conversion that has any suggestions, helpful hints, etc? Correct trannycrossmember would be helpful as well, now that I'm thinking
> about it.... I will be using a complete, running Cherokee 4.0 H.O. donor vehicle for the swap. Thanks to everyone in advance for
> any help and suggestions.


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