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Thread: NAG1 Slipping into 3rd Help please.

  1. 02-02-2024 #1
    Tuningperformance
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    NAG1 Slipping into 3rd Help please.

    Hi, we have a customers with a high power 08 Challenger. It makes approx. 820HP at the hubs on our Dyno.
    It has had trans upgrades previously that lasted about 10.000km of hard driving, rolling burnouts & skids every chance/time he could. It broke the billet carrier & failed.
    It has now had a full rebuild with SHR WAR Viking Max kit but it is slipping into 3rd at light load, moderate load & at WOT.
    Can someone have a look at our Tune file to see if there is any issue somewhere? Or do we need to pull the Trans?
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  2. 02-03-2024 #2
    jefo
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    Who did the trans tune? All the Ramp torque values are the same for each shift. Strange.

    Also torque reduction time is set to 0 seconds, So it's turned off?
    Last edited by jefo; 02-04-2024 at 08:24 PM.
    2006 AWD 300C Turbo - stock 5.7, stock NAG1
    10.8@126mph on 12psi - WatTuned
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  3. 02-05-2024 #3
    LilSick
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    in the zf 8hp tune it is allegedly zero from the factory!

    i believe it is another example of HTP mislabeling our tables

    "our" as in not chevrolet
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