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09-11-2012
hello guys. im new to the forum. i wanted to join a gp forum because i have a bone stock gp gt other then my performance chip. i wanna put 5 or 6 speed transmission in my gt but i'd like it to be an auto(sissy i know) i want auto because i have a problem with breaking my right hand so it gets hard to shift,lol. just wondering if its possible and how much it would cost. and what i would have to do. thanks guys
09-11-2012
Welcome. Please tell us more about this "performance chip". Six-speed swaps have been done before, both auto and manual, but it wouldn't be worth it until you got some powah!
09-11-2012
What benefit are you trying to achieve by going to a 5 or 6 speed automatic?
And I would love to hear more about this performance chip as well
Originally Posted by W-Body Store
09-11-2012
The GF performance chip reprograms your air/fuel ratio,ignition timing and other aspects to safely increase the power, while increaing fuel economy the chip is designed to make your car run smoother and cooler at the same time. check out website.gfchips.com and as for the tranny i want a 5 or 6 speed because i was looking into dropping a v8 into it. like i said i am a noob to the whole modding a car so whatever you guys could help out with without looking down on me too much would be great
09-11-2012
or swapping for a gtp motor and modding from there. im not quite sure what i wanna do. so i'd also like opinions from real gp fans. im just coming into my own on the car and have seen fantastic things from them
09-11-2012
First off, remove the chip before you cause any damage to the car.
Then read this thread about how to SAFELY mod your 3800: http://www.grandprixforums.net/safel...0-a-67580.html
What V8 engine were you planning on going with? That would help determine the proper trans for the setup you had in mind.
Originally Posted by W-Body Store
09-11-2012
is this guy for realz? lmao
09-11-2012
chip can be pulled off right now...and i was very curious to see if an ls2 would fit. but even then the gto auto came with a 4 speed.
09-11-2012
You realize fwd and rwd are 2 very different things right?
09-11-2012
yes?
09-11-2012
Most GM automatic gearboxes are going to be 4 speeds. You only need 3 gears to get down a 1/4 mile.
As a matter of fact, off hand, I can't think of a GM with an automatic gearbox that has a 5 speed. Most cars with 6 speeds are cruisers anyway.
As far as dropping in an LSx, there will be A LOT of custom fabrication involved. I think the last person to RWD swap a GP spent 20k. There really isn't a reason it can't be done, but the time and cost involved would be more than the car is worth, especailly when you can get a good turbo setup and run 10s and 11s all day long for a fraction of the cost.
Originally Posted by W-Body Store
09-11-2012
just get a whole ls4 cradel and bolt it up you pansie, motors can be had for 2500$ dont go into craziness. i think you need to stop thinking your shadetree mechanic lol
09-11-2012
So lets sum this up.
"Performance Chip", dangerous garbage.
V8 swap, not worth it.
Six-speed swap, you do not have enough invested in your car yet.
09-11-2012
Chips are junk, a pcm from a vendor or tuning software are the way to go.
V8 swap, probably not worth it. If you wanted to go V8 I suppose a GXP swap wouldn't be the worst thing to do, but that's an LS4, and front wheel drive.
You can do a getrag manual swap. Do a search for Kuntzie, his install went smooth.
Originally Posted by W-Body Store
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