What is the stock boost set at in the tta?
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From: Readsboro, VT
Car: 85 IROC-Z / 88 GTA
Engine: 403 LSx (Pending) / 355 Tuned Port
Transmission: T56 Magnum (Pending) / T5
Axle/Gears: 3.42 / ?
It's rated at 250 horse. 250 horse wouldn't propel a car to high 13 second quarters.
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Joined: Jul 1999
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From: Orange, SoCal
Car: 1990 Pontiac Trans Am
Engine: 355 TPI siamesed runners
Transmission: Tremec T56
Axle/Gears: 12-Bolt 3.73
GM Wont allow any car to be rated higher than the Corvette. Grand Nationals were 250 HP too or something like that. TTA's dyno over 300 hp to the wheels.
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West Coast GM Shootout 2001!
1991 Camaro Z28
5.7L 5-Speed (originally 305)
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West Coast GM Shootout 2001!
1991 Camaro Z28
5.7L 5-Speed (originally 305)
13.23 @ 107.62 MPH
Southern California
Member: SoCal 3rd Gen F-Bodies
Webmaster: SoCal F-Bodies
-=ICON Motorsports=-
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Joined: Jul 1999
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From: Ashburn, VA. USA
I saw where they did the dyno test for all tyes of GN's. The TTA did 301 HP at the rear wheels and the GNX was 30 hp less. In the brouchure, it has the hp at 250@4400 rpm and torque as 340 @2800 rpm. My car, the first weekend at the track went 13.55 with no mods and some tuning it went 12.42 at 111 mph on stock parts except for a chip.
Pete
Pete
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