Thread: 3.29 to 2.93 Tuning

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  1. #1 3.29 to 2.93 Tuning 
    GTP Level Member wa04compg's Avatar
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    Hey wanting to switch to the more highway friendly gears I have the sprockets to do it just need to know what to change in the tune...I have read the how to when going from 2.93 to 3.29...my calculated gear currently shows 3.29 so do I change this to 2.93 after switching to he 2.93 sprockets?
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  2. #2 Re: 3.29 to 2.93 Tuning 
    Turbo is the way to go. Fivefingerdeathpunch's Avatar
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    Even on a 2.93 geared car, the calculated gear is always 3.29, there is something else that you need to change I think.

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  3. #3 Re: 3.29 to 2.93 Tuning 
    Florida Tuner Z34Phoenix's Avatar
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    You have to change the pulses per mile and also will need to change the shift points. Just find a bin from a GTP as they have the 2.93's and swap their Trans settings

    96 Z34 (RIP LQ1 14.81@92.3) L36 Swap 14.9@91.5 www.cardomain.com/id/z34phoenix
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  4. #4 Re: 3.29 to 2.93 Tuning 
    GTP Level Member wa04compg's Avatar
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    Thanx man! Prob won't swap the gears right away but coming up with a plan for it
    04 Comp G - XP Bolt ons....boring Slow...SOLD
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    99 Silverado - 5.3 Exhaust Tune
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  5. #5 Re: 3.29 to 2.93 Tuning 
    GXP Level Member darkhorizon's Avatar
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    the method for this is different between dhp and hpt... DHP cant really do it effectively without tinytuner for most OSIDs.
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  6. #6 Re: 3.29 to 2.93 Tuning 
    GTP Level Member wa04compg's Avatar
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    I will be using hpt
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  7. #7 Re: 3.29 to 2.93 Tuning 
    GT Level Member ls1camino's Avatar
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    In HPT there is a value that is your gear ratio...just change it and upload the file to your car.

    Also, why are you going through all of this work for a better highway gear? The money and time spent swapping the gears/chains will not be offset by your slightly improved MPG for awhile.
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  8. #8 Re: 3.29 to 2.93 Tuning 
    GXP Level Member darkhorizon's Avatar
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    Using the wizard in HPT requires some twiddling around.. You cant just put in the right number. Cruise the HPT forums for specifics but I know you need to put in 3.69 when switching to a 3.29 or something, so I assume its similar when downgrading.
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  9. #9 Re: 3.29 to 2.93 Tuning 
    GTP Level Member wa04compg's Avatar
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    Quote Originally Posted by ls1camino View Post
    In HPT there is a value that is your gear ratio...just change it and upload the file to your car.

    Also, why are you going through all of this work for a better highway gear? The money and time spent swapping the gears/chains will not be offset by your slightly improved MPG for awhile.
    I got the 2.93 gears for free so will be just my time...I have a cam to install so motor and trans will eventually be coming out anyways...not for sure doing it but since I have the stuff for it was wondering what tuning I will have to do
    04 Comp G - XP Bolt ons....boring Slow...SOLD
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  10. #10 Re: 3.29 to 2.93 Tuning 
    GTP Level Member wa04compg's Avatar
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    Quote Originally Posted by darkhorizon View Post
    Using the wizard in HPT requires some twiddling around.. You cant just put in the right number. Cruise the HPT forums for specifics but I know you need to put in 3.69 when switching to a 3.29 or something, so I assume its similar when downgrading.
    Ok I will take a look over on HPT
    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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