SFCs for an 89 Turbo T/A
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Joined: Dec 2002
Posts: 273
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From: Northwestern,PA
Car: 89 GTA & 92 T/A covertible
Engine: 408LS-SC, 355 TPI
Transmission: 4L80e, 700r4
Axle/Gears: 12 bolt, 9 bolt
SFCs for an 89 Turbo T/A
Being that the trans mount is different and the exhaust is a little different. Is there anyone here that has installed sub frame connectors on a TTA? If so what brand works and what brands don't.
Joined: Aug 1999
Posts: 19,282
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From: Lawrence, KS
Car: Met. Silver 85 IROC/Sold
Engine: 350 HO Deluxe (350ci/330hp)
Transmission: T-5 (Non-WC)
Axle/Gears: Limited Slip 3.23's
Thread Starter
Joined: Dec 2002
Posts: 273
Likes: 3
From: Northwestern,PA
Car: 89 GTA & 92 T/A covertible
Engine: 408LS-SC, 355 TPI
Transmission: 4L80e, 700r4
Axle/Gears: 12 bolt, 9 bolt
Re: SFCs for an 89 Turbo T/A
I wanted to use the TDS tubular style(Alston Racing) that connect to the ends of the sub frame and I don't think they'll fit. See pic
Joined: Aug 1999
Posts: 19,282
Likes: 103
From: Lawrence, KS
Car: Met. Silver 85 IROC/Sold
Engine: 350 HO Deluxe (350ci/330hp)
Transmission: T-5 (Non-WC)
Axle/Gears: Limited Slip 3.23's
Re: SFCs for an 89 Turbo T/A
Very interesting. I've never seen a cross-member like the one pictured. However, if you compare it with the ones in the following link, it "appears" to be situated in the same place on the frame. You might contact Lon at TDS for more info.
JamesC
JamesC
Thread Starter
Joined: Dec 2002
Posts: 273
Likes: 3
From: Northwestern,PA
Car: 89 GTA & 92 T/A covertible
Engine: 408LS-SC, 355 TPI
Transmission: 4L80e, 700r4
Axle/Gears: 12 bolt, 9 bolt
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Re: SFCs for an 89 Turbo T/A
They're not gonna fit. The alstons attach at the frame rails behind the factory crossmember and the tubing goes downward from there... so you wouldnt be able to put your tranny crossmember back in.
I'd go with the Spohn, UMI, or any other connector that installs near the rockers.
I'd go with the Spohn, UMI, or any other connector that installs near the rockers.
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From: Upland Pa
Car: Camaro Vert
Engine: 355 HSR
Transmission: A4
Axle/Gears: 3.73 S60
Re: SFCs for an 89 Turbo T/A
Its a TTA specfic peice. TTA's came with 200-4R's which are a bit longer than a 700.
Joined: Aug 2002
Posts: 525
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From: United Kingdom
Car: 1989 TTA
Engine: 3.8L Turbo V6 - VIN 7
Transmission: 200R4
Re: SFCs for an 89 Turbo T/A
Lon's (alstom) won't work. I asked Lon about them many years ago for my TTA.
Any Spohn style will work, you might like to double check the clearence at the flexbit on the down pipe. You should be fine as you have the stock system. With the THDP (3 inch) system you will have to cut it so the flex bit moves towards the center of the car about one inch or so. I got custom made SFC's similar to Spohn's on my TTA with a THDP and had to modify it slightly to get the clearens needed.
Any Spohn style will work, you might like to double check the clearence at the flexbit on the down pipe. You should be fine as you have the stock system. With the THDP (3 inch) system you will have to cut it so the flex bit moves towards the center of the car about one inch or so. I got custom made SFC's similar to Spohn's on my TTA with a THDP and had to modify it slightly to get the clearens needed.
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