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Thread: 2003/2004 Mustang Cobra Turbo 400 / TH-400 Swap / Conversion

  1. #121
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    Quote Originally Posted by BurnTire View Post
    As recommended by my converter builder I switched over to John Deere Hy-Guard Hydraulic Transmission Oil from Dexron 3. The results are 20 degrees cooler trans temps on average and the converter tightened up 200 RPMs on the transbrake. Shifts are very nice.
    interesting. Ive heard of this but never knew anyone that actually did it.

    whats th eprice of the stuff?
    Jake
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  2. #122
    Administrator BurnTire's Avatar
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    Quote Originally Posted by BADASS03SVT View Post
    interesting. Ive heard of this but never knew anyone that actually did it.

    whats th eprice of the stuff?
    I paid $68 for 5 gallons.
    http://www.deere.com/en_US/parts/par...hydraulic.html

    The only caution is usage in cold weather (not a problem in phoenix). A good tranny warmup is required in the cold climates.

    Lenny from Ultimate Converters recommended I try it to get the converter a little tighter on the trans brake. I am at about 3700 now. Hutch and Rossler also recommend it.
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  3. #123
    Senior Member silvrsvt's Avatar
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    does she run like a deer now?
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  4. #124
    Senior Member Blackmagic1's Avatar
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    Quote Originally Posted by silvrsvt View Post
    does she run like a deer now?
    Ha ! I was just thinkin of sayin that ! Good One ! Are you going to bring yer "Altered Snake" to the Monsoon Show ??

  5. #125
    Administrator BurnTire's Avatar
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    Quote Originally Posted by Blackmagic1 View Post
    Ha ! I was just thinkin of sayin that ! Good One ! Are you going to bring yer "Altered Snake" to the Monsoon Show ??
    If I can get the day off the Cobra Deere will be there.
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    2004 Cobra, Whipple ,TH-400
    Burning Corn
    9.97 - 135.5

  6. #126
    Administrator BurnTire's Avatar
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    Datalogs show the John Deere Hy-Guard dropped the transbrake stall 210 rpm.
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    2004 Cobra, Whipple ,TH-400
    Burning Corn
    9.97 - 135.5

  7. #127
    Administrator BurnTire's Avatar
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    To setup your safety switch on your auto shifter you first need to locate the clutch safety switch on the left side of the clutch pedal. Pull out the connector. I took 2 male flat wire connector and filed them slightly to fit into the female slots of the connector. Run the wires to your auto shifter safety switch and your done.

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    2004 Cobra, Whipple ,TH-400
    Burning Corn
    9.97 - 135.5

  8. #128
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    Quote Originally Posted by BurnTire View Post
    As recommended by my converter builder I switched over to John Deere Hy-Guard Hydraulic Transmission Oil from Dexron 3. The results are 20 degrees cooler trans temps on average and the converter tightened up 200 RPMs on the transbrake. Shifts are very nice.
    hmmm. no kiddin? i may give that a shot.
    TT 99 cobra

  9. #129
    Administrator BurnTire's Avatar
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    I created a single page on the install.

    Complete TH-400 Install Information --- Click Here
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    2004 Cobra, Whipple ,TH-400
    Burning Corn
    9.97 - 135.5

  10. #130
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    hey guys i got my th400 swap in and love it, just braking in my tranny for couple miles and seeing for leaks, my check engine light came on though and i was wondering if that was cause i didnt use some of hte 6spd sensors from the harnest or cause my mph tach is not working right now..just wondering and soon want to find out how to hook the speedo up...thanks

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