Thread: Upping line pressures with dhp

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  1. #21 Re: Upping line pressures with dhp 
    GTP Level Member wa04compg's Avatar
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    Which ones are you wanting? Part throttle or WOT?
    04 Comp G - XP Bolt ons....boring Slow...SOLD
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  2. #22 Re: Upping line pressures with dhp 
    GTP Level Member wa04compg's Avatar
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    I also have TQ managment removed which helped it shift really firm but do that knowing you could break hard parts
    04 Comp G - XP Bolt ons....boring Slow...SOLD
    08 G8 GT - exhaust Tune
    99 Silverado - 5.3 Exhaust Tune
    01 Suburban - 5.3 Intake Exhaust Tune
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  3. #23 Re: Upping line pressures with dhp 
    Moderator dsmuts's Avatar
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    What did you change in the tq managment? wot shift points is what i'm looking for.
    98 GTP modded 1.9's, sd headers, 3.4", zzp 1.0 230K miles scrapped.
    04 Comp G zzp stb's, UMI ta's, Speedbuilt sways, bully flo heads, XP, zzp headers, fsic, thrasher shift kit, 60#, 2.6" corsa 2.5", Inferno hood
    01 gt z7 turbo tep trans zzp motor
    08 g8 gt cam exhaust 11.87@118
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  4. #24 Re: Upping line pressures with dhp 
    GTP Level Member wa04compg's Avatar
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    I have all torque management removed but you can scale it back 50% if you want to keep some of it
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  5. #25 Re: Upping line pressures with dhp 
    Moderator dsmuts's Avatar
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    What tables do you change to do that?
    98 GTP modded 1.9's, sd headers, 3.4", zzp 1.0 230K miles scrapped.
    04 Comp G zzp stb's, UMI ta's, Speedbuilt sways, bully flo heads, XP, zzp headers, fsic, thrasher shift kit, 60#, 2.6" corsa 2.5", Inferno hood
    01 gt z7 turbo tep trans zzp motor
    08 g8 gt cam exhaust 11.87@118
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  6. #26 Re: Upping line pressures with dhp 
    GTX Level Member nos4blood70's Avatar
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    This is what I need too. I'm running out of teeth from these bang shifts. It's annoying to have to let off every time the car shifts with more than a quarter throttle applied. Feels like driving stick.
    -Carl
    "Penelope" - 145k Miles 2003 Bonneville SLE


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  7. #27 Re: Upping line pressures with dhp 
    GTP Level Member wa04compg's Avatar
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    I use HPT so it might be diff but in mine it is called Torque Reduction
    04 Comp G - XP Bolt ons....boring Slow...SOLD
    08 G8 GT - exhaust Tune
    99 Silverado - 5.3 Exhaust Tune
    01 Suburban - 5.3 Intake Exhaust Tune
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  8. #28 Re: Upping line pressures with dhp 
    GTP Level Member wa04compg's Avatar
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    For a stock trans might shifts very fast and very firm...at WOT from 1st to 2nd will chirp the tires!
    04 Comp G - XP Bolt ons....boring Slow...SOLD
    08 G8 GT - exhaust Tune
    99 Silverado - 5.3 Exhaust Tune
    01 Suburban - 5.3 Intake Exhaust Tune
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  9. #29 Re: Upping line pressures with dhp 
    GTX Level Member nos4blood70's Avatar
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    Quote Originally Posted by wa04compg View Post
    For a stock trans might shifts very fast and very firm...at WOT from 1st to 2nd will chirp the tires!
    Same... I don't know how comfortable I feel with that happening in terms of the life of the trans.
    -Carl
    "Penelope" - 145k Miles 2003 Bonneville SLE


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  10. #30 Re: Upping line pressures with dhp 
    Moderator dsmuts's Avatar
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    My gtp had 230k in the stock trans chirping tires into 2nd daily
    98 GTP modded 1.9's, sd headers, 3.4", zzp 1.0 230K miles scrapped.
    04 Comp G zzp stb's, UMI ta's, Speedbuilt sways, bully flo heads, XP, zzp headers, fsic, thrasher shift kit, 60#, 2.6" corsa 2.5", Inferno hood
    01 gt z7 turbo tep trans zzp motor
    08 g8 gt cam exhaust 11.87@118
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  11. #31 Re: Upping line pressures with dhp 
    GTP Level Member wa04compg's Avatar
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    Hence why I said it can break hard parts...zzp tune has all torque management removed if I remember correctly
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  12. #32 Re: Upping line pressures with dhp 
    youtu.be/xhrBDcQq2DM FoSHO99's Avatar
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    If you have a built trans, some pressures are already raised depending on who builds it. Mine chirps 1-2nd just cruising... lol
    2001 GTP PT61 Turbo, E85, Stock Motor
    2011 Chevy Cruze MT6 1.4L Turbo
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  13. #33 Re: Upping line pressures with dhp 
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    Do u lose mpg if you change the normal settings similar to performance shift?
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  14. #34 Re: Upping line pressures with dhp 
    Moderator dsmuts's Avatar
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    Shouldn't lose any mpg all
    98 GTP modded 1.9's, sd headers, 3.4", zzp 1.0 230K miles scrapped.
    04 Comp G zzp stb's, UMI ta's, Speedbuilt sways, bully flo heads, XP, zzp headers, fsic, thrasher shift kit, 60#, 2.6" corsa 2.5", Inferno hood
    01 gt z7 turbo tep trans zzp motor
    08 g8 gt cam exhaust 11.87@118
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