Duplicate of an 1989 Turbo Trans Am with a few improvements.
Jun 02
On page 46 you'll find this car in a 4 page feature
I've put some scans in the gallery. Thanks Marcin for a great job.
Mar 31
On page 24 you'll find this car in a 5 page feature
I've put some scans in the gallery.
Originally an L98/A4 car that ran 13.70's with minor bolt ons and 13.05 with a little spray
3" Harwood fiberglass cowl hood and window tint.
Summit racing seats, RCI 5 point harness, and an 8 point roll bar done by my father and me.
1987 LC2 motor out of a 40K mile Grand National. Stock block, crank, connecting rods, JE pistons, small roller cam, mildly ported "TTA" heads, port matched stock intake, Precision PT70 p-trim turbo, CAS front mount intercooler, and 83# injectors.
Best times: 60ft 1.476, 1/8 6.692@103.36mph, 1/4 10.504@128.89mph
That was running 116 octane race gas and 27psi of boost, but it still runs pretty good in total street trim. With 93 octane in the tank and 18psi of boost it's gone 1.509 60ft, 6.989 @ 96.64mph 1/8mile, and 11.068 @ 120.17mph 1/4mile with this current weight and combo on 3/21/2009.
Stock front with Lakewood 90/10 struts, Moroso springs, and no front sway bar. Rear has Hotchkis trailing arms and panhard rod, Jegster torque arm, Lakewood 50/50 shocks, stock springs with air bags, and a stock sway bar. Brakes have been upgraded to 1LE package twin piston alum front calipers and single piston alum rear calipers.
TH400 built by myself with a 3200rpm ATI converter and Hughes brake. 3" moly driveshaft by the driveshaft shop. 12 bolt Moser rear w/3.42 gears turns 28x11.5x16 Hoosier Quick Time Pro DOT tires.
Scanmaster 2. Innovative MSBC-1 multi stage boost controller. AEM wideband tied into the factory ECM thanks to Eric at Turbotweak.com. Caspers Knock gauge. Autometer 35psi boost gauge and Autometer shift light.
Alot of stuff I want to do, but dont know what will actually get done.
30 Comments on TTA850's Trans Am GTA
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Thanks, it's been good to me all this time so it's getting a little break
When it comes back out I hope to have a forged bottom end in it and push a little deeper
very nice, glad to see u get even deeper ito the 10's.
This car is super efficient on pump gas! 11.doh's @ 120 is hauling the mail.
I need to invest in a different converter for sure!
Very Hot 3rdGen. Nice Build!
Sweet rides man, Im jealous, keep up the tuning!!
11.0x on pump gas? That's moving man! Sucks you couldn't get that 10 second time slip on 93 octane.
very cool 3rd gen!
Yeah runs ok for a field car
Been good how bout you, gotta get together someday sooner rather than later.
Eh, decent car I guess for a hack job build. lol Just kidding. I remember messing with that car, I need to get up to you area and see it again.
What's going on man? How you been?
Just awesome. And thats a lot of boost.
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