Engine swap question - Performance Forum

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Engine swap question
Monday, October 22, 2007 10:01 AM
First off i just wanted to say this website is awesome and I have learned a lot about my cavalier from this website. Now for my question...My friend has a 95 Grand am that he just toasted the motor in. We have a 96 cavalier parts car here with the 2.4 in it. What will have to be changed in order for this swap to work?

Re: Engine swap question
Monday, October 22, 2007 7:49 PM
it should drop right in. what kind of transmissions does each have?
Re: Engine swap question
Monday, October 22, 2007 11:11 PM
Depends on what tranny the grand am has. If it had the 3.1 or 3.3 V6, I dont think the swap will work

Also they started using EGRs 96 and up so you might have a little issue there in the computer? Not positive



Re: Engine swap question
Tuesday, October 23, 2007 6:32 AM
Sorry I forgot to mention the Grand am has a 2.3 in it. Someone was telling me that the wiring harness and computers were the same from the 95 2.3 to the 96 2.4? Can anyone comfirm this? Thanks
Re: Engine swap question
Wednesday, October 24, 2007 6:55 AM
Does anyone know if these are a direct swap?
Re: Engine swap question
Thursday, October 25, 2007 5:58 AM
No, they are not. However, you should be able to get a wiring harness from a 96 GA and be fine with the Cavalier ECM. You can make the swap work with the Cavalier harness, but you'll have to do some wire splicing. The 95 is ODB I and the 96 is ODB II.





Re: Engine swap question
Wednesday, October 31, 2007 1:56 PM
I diddnt know where to post this so here it goes!!!

hi, i'm planning on buying an engine from mantapart.com to put into
my 99 sunfire se.
after reading the engine swap post in the FAQ
i became discouraged to swap an ecotec into it
because of all the other stuff you have to swap out(the bcm, wiring etc.). and
i dont want to have to drop a couple of grand on a donor car
when i can spend em buying new parts.
this mantapart website really caught my eve becuse of all the parts they sell.

mantapart sells a 2.3L HO crate engine (it says that it can be converted to run
in a 96/up cav/sunfire, but would req. computer and wiring change over) are these the same
changes needed to swap the 2.2L ecotec?

Another choice i saw was a 2.5 hybrid race shortblock, and that one doesnt say anything
wiring swaps.

i also saw a 2.4 Quad hybrid race shortblock

i know the easiest swap for me is an LD9 outta a 99/older Z24 or sunfire gt
but those are getting harder and harder to come by.
ive already got a a 5sp trans outta a 00-02 cavy.

my question is which of the available swaps yould you recomend?
which do you think is easier?

any reply is greatly appreciated.
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