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Killed a boss 429 4-speed and computer got tuned

This is a discussion on Killed a boss 429 4-speed and computer got tuned within the Firebird / WS6 forums, part of the Vehicle Specific category; I just put on my computer tuned by frost and a 160 thermostat AWESOME!! The trans am ran funny like ...

  1. #1
    Member
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    Black
    1998 firebird formula ws6

    Killed a boss 429 4-speed and computer got tuned

    I just put on my computer tuned by frost and a 160 thermostat AWESOME!! The trans am ran funny like the paper said and the formula had no problems. i wuz driving the trans am and ive driving around town for prob bout 20 min and the guy up the street i know has a boss 429 4-speed 69 mustang came up and flew behind me so he followed me out of town and we took off from a 5 mph roll and I just blew his doors off he jumped about a car length when we took off and i cought traction and i just flew by him. All orginial boss 429 cobra jet 4-speed car, the guy bought it for $80,000 and he stoped and i waited and he asked me what i had in my T/a HE SAID that thing screams.

  2. #2
    Senior Member Z28Thunder's Avatar
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    Arctic White
    2000 Z28

    Nice kill... 69 Boss 429s ran low 14s or hig 13s, 102/104 mph in the 1/4 mi.. Again nice kill....

  3. #3
    Member vikingramair's Avatar
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    BLACK & red stripes
    1999 Trans Am WS-6

    Old school muscle cars are nice, but new tech are faster.

  4. #4
    Member Frozen WS6's Avatar
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    RED, BLACK
    2001 WS6, 1998 TA

    Quote Originally Posted by Black 98 formula ws6 View Post
    I just put on my computer tuned by frost and a 160 thermostat AWESOME!! The trans am ran funny like the paper said and the formula had no problems. i wuz driving the trans am and ive driving around town for prob bout 20 min and the guy up the street i know has a boss 429 4-speed 69 mustang came up and flew behind me so he followed me out of town and we took off from a 5 mph roll and I just blew his doors off he jumped about a car length when we took off and i cought traction and i just flew by him. All orginial boss 429 cobra jet 4-speed car, the guy bought it for $80,000 and he stoped and i waited and he asked me what i had in my T/a HE SAID that thing screams.
    Sorry Boss 429 never had the cobra jet motor. It was it's own beast. With fords version of a hemi head, and converted at Kar Kraft.

  5. #5
    Senior Member big hammer's Avatar
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    silver
    2002 ws6

    Quote Originally Posted by vikingramair View Post
    Old school muscle cars are nice, but new tech are faster.
    yeah they weren't as fast as people made them out to be. but definately better than the 70's and 80's


    the super duty trans am could run mid 13's bone stock though

  6. #6
    Senior Member redbird555's Avatar
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    2002 Camaro Z/28 Pewter

    recently on the muscle car shootout they got a 104 trap and a 13.7 out of a stock boss with the original polyglass tires so theyre strong runners stock but add some decent tires and a carb that wasnt made for a 302 and hold on lol. Try a 70 chevelle with a 454 ls6 and let us kno with sticky tires they would run 12.6's

  7. #7
    Your dealership guy konigandy6's Avatar
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    Velocity Yellow
    2008 Corvette Z06

    Quote Originally Posted by Frozen WS6 View Post
    Sorry Boss 429 never had the cobra jet motor. It was it's own beast. With fords version of a hemi head, and converted at Kar Kraft.
    Wasn't the Cobra Jet a 428?

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