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Buick Gn Swap

Old 08-19-2002, 11:31 AM
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Buick Gn Swap

Has any one ever installed a GN motor in their 3rd gen T-a?
I'm trying to find out what all is involved in the swap. What will I have to buy to complete the swap?
Thanks in advance for any response.
Old 08-19-2002, 04:56 PM
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fly89gta and TTA850 have both done these swaps. There's a short list outlined in the FAQ section of the main site.
Old 08-20-2002, 12:33 AM
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What do you need to know?

Im in the process of installing one now.You need a complete motor for one.I got one from Jack Cotton a big respected turbo buick tuner.Let me know if you are interested I can help you out.
Old 08-20-2002, 07:15 PM
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hey

IM me the next time you online, SN is in the sig, there is a lot to type

or just ask a few specific questions i'll do my best to help out
Old 08-21-2002, 12:25 AM
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Hi Tony,

Hey did you get my email thanking you for the pics?They really helped me out.Tony are you getting the H&R parts poly mounts when they come out?Thanks
Old 08-21-2002, 07:20 AM
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Re: Hi Tony,

Originally posted by TURBO6IROC
Hey did you get my email thanking you for the pics?They really helped me out.Tony are you getting the H&R parts poly mounts when they come out?Thanks
i'm sitting here thinking to myself "who the hell is this?" lol then it hit me

lol yeah i got your email, no problem at all man, just let me know if u need more, i'll probably get the H&R poly mounts down the road, funds are tight since i'm in the process of getting my own place

I do need to do something though, weak rubber mounts are too easy to break
Old 09-10-2003, 12:20 AM
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I got a question - Is it worth it??

I'm just debating to do such a swap in my 1987 TA. Everyone is trying to talk me out of it, but I cant ressist! I really want to do this swap!

The write up is very helpful indeed.
Old 09-10-2003, 05:40 AM
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why are they talking you out of it?
Old 09-11-2003, 12:37 AM
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Car: 1986 Trans Am
Engine: 5.7L TPI
Transmission: T5
Originally posted by ILMODC
I got a question - Is it worth it??

I'm just debating to do such a swap in my 1987 TA. Everyone is trying to talk me out of it, but I cant ressist! I really want to do this swap!

The write up is very helpful indeed.


check your private messages bro
Old 09-11-2003, 12:44 AM
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Not on this thread, but a few others on other boards are just saying the cost just doesnt justify it.

Its real easy to just find a used LS1 (and tranny) at Billy Grahams, buy the harness do a nice rebuild w/ heads and cam and then I got over 400 RWHP.

Its more of a challange to do the Turbo Buick swap I guess.

Some responses I got was since I already got the harness, since my car is already a TPI, just build up off that. I'm not that impressed with the cost per performance you get out of the TPI (sorry....).

Honestly, I have a pretty nice V8 with my LT1 in my 95 TA. And evey one out here, and in my club has LS1s. My wife drives a GTP w/ the supercharged 3.8 V6 and Im impressed with that motor. Especially with how easy it is to build up and get even more power...

I guess I'm tired of my V8, and want something different. A boosted V6 motor just seems like it would be fun to tinker with. Play with boost levels, intercoolers, etc, etc. Can't do much with an N/A V8, LOL.....

So if I go forward with this move to a turbo buick, want to give me some encouragement along the way! hehehe....

I just typed in the part # for the harness (Turbo TA wiring harness) at www.gmpartsdirect.com and found its like the same price as they LS1 to third gen harness. So no big difference there.

Now finding a 1987 GN motor is a little more difficult. Did find one for like $2500. I'm sure I'd want to rebuild her. I also have to rebuild my tranny in the car too. Thats why the car's been dry docked for the last three years.

What kinda mods to I / would I want to do to the motor once the swap is complete - and I have a stock turbo buick under the hood??

Just wondering.

Thanks,
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