Thread: Shift Kit vs Tune

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  1. #1 Shift Kit vs Tune 
    GTP Level Member Impala131's Avatar
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    Hey guys,

    So my new ride (2004 Impala) is going to need a trans pan drop anyway, wondering if I should spend the money on a shift kit (Transgo) to install at the same time.

    The consideration is, I already have tuning software to increase shift pressures etc..... so does installing a shift kit provide me with any benefit that I can't obtain through tuning anyway?
    2003 Grand Prix GTP.... the journey begins again....
    E85 Self Tune with HPT, 80# Injectors, Gen V 3.4 pulley, SD Headers, AL605 Plugs
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  2. #2 Re: Shift Kit vs Tune 
    Schooner Tuner ADrugDealer's Avatar
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    yes.
    2008 G8 GT - IOM - LSA Blower, Intercooled, Ported Heads, Cam, Flex Fuel Conversion, Tuned - 550whp - 11.5 @ 124 -
    2000 Regal - Winter Beater
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  3. #3 Re: Shift Kit vs Tune 
    Killa Bee Scottydoggs's Avatar
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    install it. i have a shift kit and a trans tune, but the line pressure is still stock. feels pretty damn good.

    98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, gen 5 N* 3.0 pulley, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW
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  4. #4 Re: Shift Kit vs Tune 
    GXP Level Member 91parkave's Avatar
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    Yea, if installing a shift kit makes ure your tables are back to stock, then tweak a little on pressure if you desire. I drop my shift times though to get the most out of the shift kit.
    06 GXP | 222/227 cam/cartuning turbo kit on 8psi/meth/e85 coilovers/ still on stock trans at 130k
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  5. #5 Re: Shift Kit vs Tune 
    GTP Level Member Impala131's Avatar
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    Sold! I'll grab a shift kit and put it in. Thanks guys.
    2003 Grand Prix GTP.... the journey begins again....
    E85 Self Tune with HPT, 80# Injectors, Gen V 3.4 pulley, SD Headers, AL605 Plugs
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  6. #6 Re: Shift Kit vs Tune 
    GrandPrix Junkie SgtMarshal's Avatar
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    you can get your shift times down to something like .125 with a tune and a shift kit, though I'm not to sure how good it is for the transmission. and when it shifts that fast you can feel it pretty good.
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  7. #7 Re: Shift Kit vs Tune 
    GTX Level Member JDrach's Avatar
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    Ya my pcm still has the ZZP 1.0 pcm trans settings IIRC since Iceman tuned my car, and I've had both their pcm and shift kit for like 2 years. Shifts anywhere from .125 seconds to .250 seconds. Pretty sweet if you ask me.
    1998 Grand Prix GTP Daytona - CAI, XP Cam, Iceman tune, Speed Daddy Headers, 3.2 in pulley, Ported blower, Al 103's, 3in Catless DP, Transgo "shift kit", No resonator to Magnaflow Mufflers. 93K Miles
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  8. #8 Re: Shift Kit vs Tune 
    GXP Level Member 91parkave's Avatar
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    Ive been at .150 to .175 for years now. Put over 30k on my stuff now no issues
    06 GXP | 222/227 cam/cartuning turbo kit on 8psi/meth/e85 coilovers/ still on stock trans at 130k
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  9. #9 Re: Shift Kit vs Tune 
    GTX Level Member SnowTh1ef's Avatar
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    agreed with everything above. Fast/hard shifts with tune and shift kit can be harder on stock parts... but if you are near stock (3.4 pulley ish level) and don't run slicks, it will be better for it because you won't burn through clutches on long shifts.
    04 GTP -HAI, 1.9 rockers.
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  10. #10 Re: Shift Kit vs Tune 
    The Boss Iceman6669's Avatar
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    I run a shift kit, custom TEP valve body, and wicked trans tune. My WOT shifts are pretty intense lol
    97 GTP Sold-prolly rusted away by now
    2011 F-150 Yote powered
    Too Hot to Handle, Too Cold to Hold
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