• The site migration is complete! Hopefully everything transferred properly from the multiple decades old software we were using before. If you notice any issues please let me know, thanks! Also, I'm still working on things like chatbox, etc so hopefully those will be working in the next week or two.

03 engine into 02 GP... Direct swap?

J

jonygtp

New member
Will an 03 engine or engine/tranny combo swap directly into my 02 GP? I wouldnt think theres much difference. Will my PCM have any issues with it? I found an 03 with 86k miles complete engine for 650.00 Dont think ill pass that up. Sounds like a pretty good deal to me. Whats your input?
 


it should swap right in, the only thing maybe the trans plugs, 03 they did some changes. its nothing you can work around.

im sure BillBoost37 has a write up if you need to do this.
 
I wonder what changes they made on the tranny in 03 to make it.different? Not sure if I'm.getting the trans yet anyhow
But good to hear it'll swap right in tho.
 


One difference is that they put the gear selector switch inside the trans, vs bolted onto the top. The old style switch will still bolt on though, and you can use your stock harness with it. You would also need an 03 PCM (hardware) and a custom tune, starting with the 03 base cal. Not a bad swap, I ran an 03 trans in my 99 regal for 5 years or so, and the cars still going strong!

-Rob
 


darkhorizon said:
you dont need any 'custom tune' but you would want to put the 03 file on.
Click to expand...

My bad, your correct.

I was basing that statement off running an 03 trans with an older motor. If you have both an 03 Motor and Trans, you can just use a stock 03 PCM (Hardware and Cal).

-Rob
 
You must log in or register to reply here.
Back
Top