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  1. #1
    The Nitrous Outlet Junkie


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    Troy
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    1994 Firebird Formula
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    moore, ok (south okc)
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    Default Trans swap now motor overheating

    So the th400 that was in my car with slip when it came time to change gears so I decided to build my very first transmission I swapped it a week ago and on the drive home everything went just fine with the transmission shifting when it needed to but now the motor slowly gets hotter and hotter almost like the thermostat is stuck open I put a new thermostat in the car and the temperature still slowly creeps up I'm at a complete loss because I did absolutely nothing to the motor and it was running just fine before hand any idea what would cause this?

    Sent from my SM-N950U using Tapatalk
    94 Formula; sleeper/budget build - total invested so far $5700,
    best pass on motor: 12.398 @109.4
    best pass on SPRAY:
    350, LT1, carb, LE grind cam, th400, 3800 stall, ford 8.8 w/ 4.10s


  2. #2
    LTX Regular


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    Apr 2013
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    (2) 1994 Camaro Z28
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    The third coast
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    Default

    Maybe ya pinched or kinked the steam tube between the heads at the rear of the motor? Even a ding in such a small diameter tube worries me when I think of my upcoming tranny swap.
    '94 Z28 Red, SLP Ultra Z hood/air box/spoiler, LT1 w/deletions & mods, 4L60e, Pacesetter LTs/ORY, LS1 front brakes, Kenny Brown Double Diamond SFCs.
    '94 Z28 Arctic White, T-tops, retired.

  3. #3
    The Nitrous Outlet Junkie


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    Name
    Troy
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    1994 Firebird Formula
    Location
    moore, ok (south okc)
    Posts
    3,236

    Default

    Its beed upgraded to an fittings and a steel braid hose.

    Sent from my SM-N950U using Tapatalk
    94 Formula; sleeper/budget build - total invested so far $5700,
    best pass on motor: 12.398 @109.4
    best pass on SPRAY:
    350, LT1, carb, LE grind cam, th400, 3800 stall, ford 8.8 w/ 4.10s


  4. #4
    "The Rock"


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    1996 Camaro Z28, 1994 Trans Am GT, 1985/1996 Corvette CLONE
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    Shillington, Pennsylvania, United States
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    Default

    U still running the air damn?

    LTXtech.com is my drug...


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    1996 Camaro Z28: RIP 09/25/2016

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  5. #5
    The Nitrous Outlet Junkie


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    Troy
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    1994 Firebird Formula
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    Default

    Of course, our cars absolutely need the air dam ... it's pretty uncommon but I wonder if the radiator is just getting worn out or if the radiator is partially full of sludge... I've driven it a few times this past two weeks. It seems like if the AIR temperatures outside are around 85 degrees and under the coolant will stay around 180 degrees and won't climb but if it's in the 90s the temperature slowly climbs up as i drive regardless of speed.

    Sent from my SM-N950U using Tapatalk
    94 Formula; sleeper/budget build - total invested so far $5700,
    best pass on motor: 12.398 @109.4
    best pass on SPRAY:
    350, LT1, carb, LE grind cam, th400, 3800 stall, ford 8.8 w/ 4.10s


  6. #6
    LTX Regular


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    Apr 2013
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    (2) 1994 Camaro Z28
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    Default

    Quote Originally Posted by zooguy View Post
    Its beed upgraded to an fittings and a steel braid hose.

    Sent from my SM-N950U using Tapatalk
    An upgrade I should consider. A radiator flush is a cheap diagnostic procedure. I've had a radiator rodded on another vehicle I had but the shop has since closed.
    '94 Z28 Red, SLP Ultra Z hood/air box/spoiler, LT1 w/deletions & mods, 4L60e, Pacesetter LTs/ORY, LS1 front brakes, Kenny Brown Double Diamond SFCs.
    '94 Z28 Arctic White, T-tops, retired.

  7. #7
    The Nitrous Outlet Junkie


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    Name
    Troy
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    1994 Firebird Formula
    Location
    moore, ok (south okc)
    Posts
    3,236

    Default

    Got some factory fans and it seems to run cooler ... ill do some more test drives during the heat of the day.

    Sent from my SM-N950U using Tapatalk
    94 Formula; sleeper/budget build - total invested so far $5700,
    best pass on motor: 12.398 @109.4
    best pass on SPRAY:
    350, LT1, carb, LE grind cam, th400, 3800 stall, ford 8.8 w/ 4.10s


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