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Thread: Engine Question

  1. #1
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    Engine Question

    Ok so i run a 99 gt and have a automatic with overdrive. So when i hit 4th my accel pretty much dies compared to the lower gears, what kind of options do i have to get that 4th gear accel up?

    Whats done: 01 bullit motor w/ bullit heads (3 angle valve job), diablo chip, CAI, UD pullies, TB and Plenum, MAC LT's w/bassani x-pipe and flowmaster 40's back, 4.10 gears, full length subframe connectors. (also just got new timing chain, waterpump, timing guide, upper and lower gaskets, and thermostat)

  2. #2
    Senior Member ASUSMC's Avatar
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    Accelerating hard in O/D is overall a bad idea for automatics. There really isn't anything you can do beyond a power adder as far as adding noticable power.
    2012 Race Red GT w/ a 5 Liter and a 6 speed
    2010 Dodge Challenger R/T traded in.
    '03 DBS Cobra .... Traded in, THANK GOD
    '01 Ford Lightning.... Sold, sorely missed

  3. #3
    Senior Member Mr. Austin's Avatar
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    Im hearin $ and super ooo and turbo!!!

  4. #4
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    Well if thats the case, should i start with nos and then go to a supercharger? or just wait and go with a supercharger?

  5. #5
    Senior Member ASUSMC's Avatar
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    If you put a power adder on your car then let it shift into overdrive while under full power you can plan on picking up transmission parts off of whatever road you are on.
    2012 Race Red GT w/ a 5 Liter and a 6 speed
    2010 Dodge Challenger R/T traded in.
    '03 DBS Cobra .... Traded in, THANK GOD
    '01 Ford Lightning.... Sold, sorely missed

  6. #6
    Senior Member ChuckD's Avatar
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    That will depend on if he does anything to the tranny or not.
    Chuck
    VETERANS DIESEL SERVICE
    1988 LX
    1997 GT
    1997 F350 CC LWB Powerstroke
    2002 Expedition Eddie Bauer

  7. #7
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    What do you suggest the next step is?

  8. #8
    Senior Member ASUSMC's Avatar
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    If you want power in 4th gear get a car with a manual. Then you are going to run into the same problem in 5th gear. Overdrives are designed for gas mileage, not for making power.
    2012 Race Red GT w/ a 5 Liter and a 6 speed
    2010 Dodge Challenger R/T traded in.
    '03 DBS Cobra .... Traded in, THANK GOD
    '01 Ford Lightning.... Sold, sorely missed

  9. #9
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    Could i swap out a manual into mine?

  10. #10
    Senior Member ASUSMC's Avatar
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    Absolutely.
    2012 Race Red GT w/ a 5 Liter and a 6 speed
    2010 Dodge Challenger R/T traded in.
    '03 DBS Cobra .... Traded in, THANK GOD
    '01 Ford Lightning.... Sold, sorely missed

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