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

[Joe Fulton <piper_pa20@xxxxxxxxxxx>]

I had an 80 Spirit with the Duke too.  I think the motor mount perches were 
different than for an AMC/Jeep six.  I suggest that you round up a six cylinder 
crossmember.  They are common and you should find one cheap.  See below for 
other models that used the same crossmember.

Joe Fulton



----- Original Message ----
From: Sandwich Maker <adh@xxxxxxxxxxxxxxxxx>
To: amc-list@xxxxxxxxxxxx; madjeepr2@xxxxxxx
Sent: Thu, January 5, 2012 1:17:33 PM
Subject: Re: [AMC-list] Fw: 1980 Spirit 4cyl to 4.0 Engine Swap

" From: "Tim"  madjeepr2@xxxxxxx
" 
" >I have a 1980 Spirit with the I4 and an automatic. I am wanting to swap
" >in 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 tranny crossmember 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. 

not sure if the i6 crossmember is necessary but i think it'd make the
job easier.  any hornet, gremlin, or concord could also donate.

the i4 tranny won't bolt to an i6.  [well, if it's an iron duke i4
it'd bolt to a chevy i6...]

too bad you aren't using a wrangler 4.0; unless it's a mid-'00s model
it'd have a 3sp auto similar to yours though i don't know what it'd
take to convert to 2wd, and a conventional fan/accessory layout unlike
the oddball cherokee.  grand cherokees also had conventional fan/acc
but a 4sp mopar auto.  afaik you could use the flexplate with an amc
i6 converter and tranny.

also, you probably have your donor already picked out, but note i'm
sure 4.0s up to '99/'00 have the amc mounts - though one is tapped to
12mm for the '87-'90 knock sensor - but i'm -not- sure if the post-'99
block redesign still has them.  it also changes the oil finter angle.
________________________________________________________________________
Andrew Hay                                  the genius nature
internet rambler                            is to see what all have seen
adh@xxxxxxxxxxxxxxxxx                      and think what none thought
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