I have a 98 gtp rusted real bad but engine runs great slippery trans found an 02 gt with a locked up engine i should be able to just swap the sc 3800 in there and get a pcm tune? i should also swap the diff and passenger side axle too right?
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03-23-2015
I have a 98 gtp rusted real bad but engine runs great slippery trans found an 02 gt with a locked up engine i should be able to just swap the sc 3800 in there and get a pcm tune? i should also swap the diff and passenger side axle too right?
03-23-2015
Yes, but I would also swap the pcm and engine harness just to make things easier.
Originally Posted by The Sunfire Guy
03-23-2015
98 pcm wont work right in a 02 car. theres a lot of different things going on there. you'll need the gt pcm tuned or buy a canned tune for your situation.
03-23-2015
Um what? Yes it will 98-02 cars all use the same pcm, and hes getting a tune anyway. 97 and 03 are the oddball years for those gps.
Originally Posted by The Sunfire Guy
03-23-2015
thanks,
sounds like its a go.
pull the motor and rusty 98 to the scrapper.
the 2002 gt coupe i found looks great the girl said it has no rust guess we will see them rockers when i get there. she didn't know what i was asking when i said are rocker panels rusty. said she ran out of oil and the engine is toast.
03-23-2015
lol this car sounds perfect, you'll have to get eyes on it to know.
ive got a 02 pcm id like to unload, i think i could set up a 02 gt bin to run a sc engine. id have to ask around but i think its just copying the files over.
03-23-2015
Or he could do that and just sell the stock pcm to someone.
Originally Posted by The Sunfire Guy
03-23-2015
i cant wait.
this is the first black sapphire metallic coupe i have ever found for sale.
I have never seen it on a GTP coupe. Anybody else? Too bad this one is just a gt.
03-29-2015
Scott, you're better off flashing a GTP file over to the PCM in a full write, and then copying the GT trans settings. Sounds crazy I know, but sometimes when you modify a GT file you get MAP readings that don't work right.
03-23-2015
I just talked to some guy that wants to buy my 98 complete for 500.
i know i can get a na 3800 out of a rear ended 4 dr 2001 for 200 or less.
well now i just don't know what to do..
going to get that 02 gt if it is truly no rust and undercoat it if it isn't already.
03-23-2015
Run the 98 GTP PCM, tune it for the gear change and now have a 02 that doesnt care about emissions..
03-26-2015
is that 2002 sapphire black metallic?
03-27-2015
It looks like it is.
Originally Posted by The Sunfire Guy
03-27-2015
Well not getting it but its still out there for sale.
I did score a local 2001 silver GTP coupe with special edition interior with light grey inserts.
It does have a little rust on the drivers rocker but runs smooth, shifts and drives. It just does not stop very well.
It needs a serious brake job. The clear coat is pretty much gone. no ses light no airbag light. abs and brake light are on.
Bose speakers with a newer aftermarket stereo with Bluetooth and whatnot. not bad for 950 bucks and I didn't have to haul it 200 miles home.
03-29-2015
that sounds like a good plan.....should he ask for it..... whats up with 02 pcm's? they only take 02 na or sc bins. i got 2 of these bastards.
i got one other with the same part # out of a 01 regal it took a 98 bin for my car, but the other was out of a 02 GP those two wont play nice at all lol
03-29-2015
You have to find the later OSID to put on the O2's, they can be finicky. Most of the later ones have the same service part# on them, it's the programming number that's different.
03-29-2015
Reptile weren't our Grand Prixs built near where you live?
We should get a big group together and cruise to the plant.
03-29-2015
Here is the car if anyone else is interested. If it is still for sale in a 2 weeks i might get it.
http://www.grandprixforums.net/threa...=1#post1334648
03-30-2015
Yeah, they were built at Fairfax Assembly, about 30 minutes from me.
03-30-2015
I Wonder if there is a warehouse nearby full of nos parts.
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