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1989 Grand Prix ASC McLaren Turbo Restore-ish

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Old Jun 30, 2023 | 03:02 PM
  #1  
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From: Janesville, WI
Car: 1989 Trans Am GTA
Engine: 5.7 TPI
Transmission: 700R4
1989 Grand Prix ASC McLaren Turbo Restore-ish

Thought some of you here might get a kick out of this, so I thought I'd start a little restore thread.. miss the old build/restore threads..

Friend of mine gave me this car, it had been sitting outside for some time and was not driving, but would run.

We went and picked it up, don't mind my obsessive sag with a rear-leveled truck.. I'm since leveled the front 2" and put factory springs in the rear, so when towing it just levels out.. but, not in these pics. lol



Got it off the trailer, got a battery in it and got some lights on, I was also able to check out all of the interior goodness. Lots going on in there. lol









I started by cleaning up the interior, the seats weren't as bad as they could have been.. but I tossed some covers on them anyways.





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Old Jun 30, 2023 | 03:03 PM
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From: Janesville, WI
Car: 1989 Trans Am GTA
Engine: 5.7 TPI
Transmission: 700R4
Re: 1989 Grand Prix ASC McLaren Turbo Restore-ish

The paint was next to follow:

Before:



After:






I then decided it was time to dig into the engine. The car needed a new alternator, got new plugs, fuel injectors and fuel pressure regulator.




After that I was able to get it on the road and go for the first actual drive. The car did okay, but did some stumbling.



Some "glamour" shots..


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Old Jun 30, 2023 | 03:04 PM
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From: Janesville, WI
Car: 1989 Trans Am GTA
Engine: 5.7 TPI
Transmission: 700R4
Re: 1989 Grand Prix ASC McLaren Turbo Restore-ish

I ended up getting side tracked with other projects and put the car into storage for the winter, tucked with some good company.




While in storage, I pulled the hood, started working through some engine bay clean up and addressed some little things that I could do while working other projects.




The hood is currently off, bumper is going to follow to get some prep and paint attention. The rest of the car can use some detailing attention, but I will be focusing on rust next.

There are some rust concerns, but the trailing arm mounts are solid, despite being rusty. This rust will be addressed to make the car safe.




More to come on this thing, I want to make it a reliable driver, survivor.

Some videos that I've done on this car, if anyone is interested..




More videos and updates to come!
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Old Jun 30, 2023 | 06:09 PM
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From: MICHIGAN
Car: 1988 Trans Am
Engine: L03
Transmission: 700R4
Axle/Gears: 10 Bolt 2.73 Open
Re: 1989 Grand Prix ASC McLaren Turbo Restore-ish

I love those! I used to (maybe still do) have the service manual supplement for one. Nice to see one being saved. Looks like an '80s showroom sitting next to your third gen.
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Old Jul 1, 2023 | 10:28 AM
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From: Nashville, TN
Car: 1991 Firebird V6
Engine: LHO V6 N/A
Transmission: Auto
Axle/Gears: 3.23
Re: 1989 Grand Prix ASC McLaren Turbo Restore-ish

Nice! I just found an `89 TGP from New Jersey I`m working on as well, I`d love to have that TGP level tech in an F-body!

IIRC you`re posting over on W-body.com too. I`m following there as well.
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Old Jul 1, 2023 | 10:45 AM
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From: Rochester NY
Car: 1984 TA (1 stock / 1 custom)
Engine: LG4 / turbo LQ4
Transmission: 700R4 / 4L80E
Axle/Gears: Stock / 3:50 Moser 9"
Re: 1989 Grand Prix ASC McLaren Turbo Restore-ish

My first reliable car was a 1996 Grand Prix SE. I really liked that car. Had over 250,000 on it when I sold it. Had to replace the intake manifold gaskets twice but other than that the 3.1 engine was pretty much trouble free.
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Old Jul 1, 2023 | 01:37 PM
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Car: 1988 Trans Am
Engine: L03
Transmission: 700R4
Axle/Gears: 10 Bolt 2.73 Open
Re: 1989 Grand Prix ASC McLaren Turbo Restore-ish

This is the FSM supplement I mentioned. Do you have a copy of this ramblingarage?


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Old Jul 1, 2023 | 05:17 PM
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ksr
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From: Hilton Head Island, SC
Car: 1988 Pontiac Trans Am GTA
Engine: 5.7 liter V-8
Transmission: 4 speed auto
Re: 1989 Grand Prix ASC McLaren Turbo Restore-ish

I liked that generation of Grand Prix. Looks great. Very cool interior.
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Old Jul 1, 2023 | 07:52 PM
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Car: 1988 Trans Am GTA and 1979 Trans Am
Engine: 5.7 L98
Transmission: 700R4
Axle/Gears: Borg Warner 9 bolt 3.27
Re: 1989 Grand Prix ASC McLaren Turbo Restore-ish

Cool car, I’ve been following the build on YT. Those GP were ahead of their time and had some cool features to go with the turbo.

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Old Jul 3, 2023 | 02:27 PM
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ramblingarage's Avatar
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From: Janesville, WI
Car: 1989 Trans Am GTA
Engine: 5.7 TPI
Transmission: 700R4
Re: 1989 Grand Prix ASC McLaren Turbo Restore-ish

Originally Posted by StratosFear1986
Nice! I just found an `89 TGP from New Jersey I`m working on as well, I`d love to have that TGP level tech in an F-body!

IIRC you`re posting over on W-body.com too. I`m following there as well.
Oh awesome! Any pics of yours? I'm posting on some of the wbody pages on Facebook, I haven't been on w-body.com in a while, I might have to check it out!

Originally Posted by battmann
My first reliable car was a 1996 Grand Prix SE. I really liked that car. Had over 250,000 on it when I sold it. Had to replace the intake manifold gaskets twice but other than that the 3.1 engine was pretty much trouble free.
Can't really beat the comfort of the late 90's, early 00's w-bodys. My first was an 04 Monte Carlo, I think I put 170k on it, it needed a power steering pump and that was it.. I was mean to that car. lol

Originally Posted by DynoDave43
This is the FSM supplement I mentioned. Do you have a copy of this ramblingarage?
That's pretty neat! No I don't have one of those yet, would you want to sell it?

Originally Posted by ksr
I liked that generation of Grand Prix. Looks great. Very cool interior.
Thank you!

Originally Posted by Reddragon88gta
Cool car, I’ve been following the build on YT. Those GP were ahead of their time and had some cool features to go with the turbo.
Oh awesome and thank you!
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Old Jul 3, 2023 | 04:49 PM
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Car: 1991 Firebird V6
Engine: LHO V6 N/A
Transmission: Auto
Axle/Gears: 3.23
Re: 1989 Grand Prix ASC McLaren Turbo Restore-ish

Ive not been on facebook in a long time, I did post there when the site went down a few weeks ago but I much prefer the forums like this one. My W-body.com TGP thread has more pics but heres the 1st pic of the TGP being delivered.


Definitely grab that Turbo supplement manual as well as the FSM for the `89 GP. Ebay had them both for about $60.
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Old Jul 4, 2023 | 09:37 AM
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From: Janesville, WI
Car: 1989 Trans Am GTA
Engine: 5.7 TPI
Transmission: 700R4
Re: 1989 Grand Prix ASC McLaren Turbo Restore-ish

Originally Posted by StratosFear1986
Ive not been on facebook in a long time, I did post there when the site went down a few weeks ago but I much prefer the forums like this one. My W-body.com TGP thread has more pics but heres the 1st pic of the TGP being delivered.


Definitely grab that Turbo supplement manual as well as the FSM for the `89 GP. Ebay had them both for about $60.
Now you have me wanting to start a thread over there.. it's been a LONG time since I've been on w-body forum.. see ya there
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Old Jul 5, 2023 | 07:32 PM
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Car: 1988 Trans Am
Engine: L03
Transmission: 700R4
Axle/Gears: 10 Bolt 2.73 Open
Re: 1989 Grand Prix ASC McLaren Turbo Restore-ish

PM sent.
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