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June 19th, 2008, 01:49 PM
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Ring & Pinion Gears
After the no oil pressure debacle that turned out to be a poorly machined front cover. We drilled the oil supply channels to actually work as intended and got the car started and running. I took the car for a ride and there was a lot of vibration and noise coming from the rear differential. It turns out that the ring and pinion was severely galled, and needed replacement.
The cheapest vendor turned out to be 9-Bolt.com from Australia. $445 including shipping for the gear set and bearing kit. This will get me back on the road. Ultimately, I believe I need a more durable differential to take the power of the new motor combination...mo money...mo money...that seems to be the mantra!
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1989 Turbo Trans Am #178, "291" 4.1 with ported irons and intake, rollerized valve train, 210/215 roller cam, PTS 9/11 3200 T/C, CPT66 BB, stock IC with Duttwieller neck in the works. Previous combo: 11.79 @ 114.7 w/1.61 60' all time best with TA49. ATR bleed valve to control boost, Ext Chip - 23/19 timing, Translator Plus, LT1 MAF Sensor, 62mm T/B, ported plenum, 1" plenum spacer, 60# MotoTron injectors, Adj F/P reg, Walbro 340 F/P, Action Fab 3” D/P, freeflowing exhaust with testpipe, 110# valve springs, PTS 9/11 Lock-up 2800 T/C, BFG Drag Radials on stock rims, Spohn Adjustable Torque Arm, Global West Subframe Connectors, Spohn Adj Panhard Rod, Spohn Lower Control Arms     
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June 20th, 2008, 12:41 AM
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Quote:
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1989 Turbo Trans Am #178, "291" 4.1 with ported irons and intake, rollerized valve train, 210/215 roller cam, PTS 9/11 3200 T/C, CPT66 BB, stock IC with Duttwieller neck in the works. Previous combo: 11.79 @ 114.7 w/1.61 60' all time best with TA49. ATR bleed valve to control boost, Ext Chip - 23/19 timing, Translator Plus, LT1 MAF Sensor, 62mm T/B, ported plenum, 1" plenum spacer, 60# MotoTron injectors, Adj F/P reg, Walbro 340 F/P, Action Fab 3” D/P, freeflowing exhaust with testpipe, 110# valve springs, PTS 9/11 Lock-up 2800 T/C, BFG Drag Radials on stock rims, Spohn Adjustable Torque Arm, Global West Subframe Connectors, Spohn Adj Panhard Rod, Spohn Lower Control Arms
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June 20th, 2008, 07:47 AM
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I'd put that $$$ towards a better rear end with the power you car should make
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Dan don't run your mouth if you cant run your car  86/87 GN and 89 TTA .. tons of parts !! Time to get out! Stuff has to go !!! Otherwise I am cutting it up and throwing it away email ttastage2@yahoo.com
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June 20th, 2008, 12:16 PM
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Quote:
 I ran the total $'s spent for the engine build...it makes me sick...what a money pit this TTA has become....all in quest of making it quicker. In reality there are much worse vices I could be involved with 
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1989 Turbo Trans Am #178, "291" 4.1 with ported irons and intake, rollerized valve train, 210/215 roller cam, PTS 9/11 3200 T/C, CPT66 BB, stock IC with Duttwieller neck in the works. Previous combo: 11.79 @ 114.7 w/1.61 60' all time best with TA49. ATR bleed valve to control boost, Ext Chip - 23/19 timing, Translator Plus, LT1 MAF Sensor, 62mm T/B, ported plenum, 1" plenum spacer, 60# MotoTron injectors, Adj F/P reg, Walbro 340 F/P, Action Fab 3” D/P, freeflowing exhaust with testpipe, 110# valve springs, PTS 9/11 Lock-up 2800 T/C, BFG Drag Radials on stock rims, Spohn Adjustable Torque Arm, Global West Subframe Connectors, Spohn Adj Panhard Rod, Spohn Lower Control Arms
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June 20th, 2008, 09:24 PM
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re: rear end parts
i have the parts that go inside a TT/A rear end for sale (pinion ring and differential) if interested. It is used but in working condition. $100.00 plus shipping. email me for pics at dsmith4994@aol.com
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June 21st, 2008, 01:16 PM
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Quote:
Mark
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1989 Turbo Trans Am #178, "291" 4.1 with ported irons and intake, rollerized valve train, 210/215 roller cam, PTS 9/11 3200 T/C, CPT66 BB, stock IC with Duttwieller neck in the works. Previous combo: 11.79 @ 114.7 w/1.61 60' all time best with TA49. ATR bleed valve to control boost, Ext Chip - 23/19 timing, Translator Plus, LT1 MAF Sensor, 62mm T/B, ported plenum, 1" plenum spacer, 60# MotoTron injectors, Adj F/P reg, Walbro 340 F/P, Action Fab 3” D/P, freeflowing exhaust with testpipe, 110# valve springs, PTS 9/11 Lock-up 2800 T/C, BFG Drag Radials on stock rims, Spohn Adjustable Torque Arm, Global West Subframe Connectors, Spohn Adj Panhard Rod, Spohn Lower Control Arms
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