Thread: Mileage Failure

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  1. #1 Mileage Failure 
    GTP Level Member rperry435's Avatar
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    Probably a thread about this already but I'd be curious to see who can chime in with transmission mileage at failure..

    Sent from my SPH-L710 using Tapatalk 2
    '04 CompG - 3.6MPS - 104s - FWI - TOGS - w/14"SlimFans - SLP RR' s - 180HF Stat - TEP SK - Aluminum Oil Pan - 4thGen ZZP Wires - LS7 Lifters - AeroForce - AEM WB - HPTuners - FBSS Air Ride
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  2. #2 Re: Mileage Failure 
    GrandPrix Junkie jteske88's Avatar
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    all random numbers my friend
    2005 GP GXP-cocor tuned-poly's-lots of sundown
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  3. #3  
    GTP Level Member rperry435's Avatar
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    Yeah I was just curious my CompG has 130k and is just fine, shifts seem slow but I just had the battery pulled for a week while the engine was pulled. Doesn't seem like a slip that's for sure.

    But I had an 04 GTP that has 240k+ and is still being driven around with an original transmission.

    Anyways I was just curious to hear mileage shout outs

    Sent from my SPH-L710 using Tapatalk 2
    '04 CompG - 3.6MPS - 104s - FWI - TOGS - w/14"SlimFans - SLP RR' s - 180HF Stat - TEP SK - Aluminum Oil Pan - 4thGen ZZP Wires - LS7 Lifters - AeroForce - AEM WB - HPTuners - FBSS Air Ride
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  4. #4 Re: Mileage Failure 
    GT Level Member cmal37's Avatar
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    I had 170k before 4th gear went out
    GMPP Struts, F body brakes, CAI, Ubend, resonator, and cat delete, 180tstat, SD headers, 3.4 Pulley, OverKill PCM,http://www.grandprixforums.net/my-bl...res-60017.html
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  5. #5 Re: Mileage Failure 
    Killa Bee Scottydoggs's Avatar
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    my 98 regal trans went out at 218,000. lost 3 rd gear, o/d still worked, and the 1- 2 shift was still tight.

    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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  6. #6 Re: Mileage Failure 
    I live here. SlowNA06's Avatar
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    Quote Originally Posted by rperry435 View Post
    shifts seem slow but I just had the battery pulled for a week while the engine was pulled. Doesn't seem like a slip that's for sure.
    It takes the computer a few miles to relearn proper shifting when you disconnect the battery that long.
    Irridium spark plugs last 100k mi and work just as well as copper. Copper is a waste on N/A and only lasts 15k mi. Don't use Platinum.
    Use 195* tstat unless you can thoroughly explain why not; 99.9% don't need a lower temp.
    Almost any oil filter, ever, is of higher quality than ACDelco. Spend $6+.
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  7. #7 Re: Mileage Failure 
    Turbo is the way to go. BillBoost37's Avatar
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    Yeah..what he said!

    I haven't failed one yet that wasn't abuse/power related and all those were too fresh to count.

    Bonneville was a little slopped at 176K when I had it built up.
    Regal had 186K when I pulled out it's trans based on a bad coil pack feeling like a slip at times.
    Other cars..I've bought cars with 180K+ and driven..then sold.
    I drink..so consider that when reading my posts.

    2010 Audi A6 Dual IC's
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  8. #8 Re: Mileage Failure 
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    Anyone else want to add? im curious. And how much less would a tranny last on a 3.4 setup driven relatively granny except for the occasional floorage.
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  9. #9 Re: Mileage Failure 
    Turbo is the way to go. Fivefingerdeathpunch's Avatar
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    Lets put it this way, its going to work all the way up the point where it breaks.

    SMGPFC Member #1
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  10. #10  
    I live here. DirtDog's Avatar
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    Quote Originally Posted by Fivefingerdeathpunch View Post
    Lets put it this way, its going to work all the way up the point where it breaks.
    Woah...that's science sh*t right there

    Sent from my DROID RAZR using Tapatalk 2
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    OBX headers, TEP tranny cooler, ls1 IM fuel rails and injectors, ls2 TB, ls7 MAF, full custom exhaust, Quad retro headlights, full out front and rear suspension work, tuned by HPT by me 8====>

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  11. #11 Re: Mileage Failure 
    GrandPrix Junkie redlinepontiac's Avatar
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    180k when the GTs lost foward band.
    RayRay
    92 Turbo miata
    71 bagged lemans wagon
    02 lexus is300
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  12. #12 Re: Mileage Failure 
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    Redline what mods are on your gtp?
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  13. #13 Re: Mileage Failure 
    GrandPrix Junkie ItHurtz's Avatar
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    previous owner had it rebuilt at 140k. Cars got 219 right now.
    2000 GTPT Sold-brandonhall10 built trans
    2009 Challenger SRT8
    http://www.grandprixforums.net/threa...uestion.....no
    Expert at being gay.
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  14. #14 Re: Mileage Failure 
    GrandPrix Junkie redlinepontiac's Avatar
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    headers, tune, cai, 3.4, rockers. that trans is still holding up at 130k

    i had a bone stock GT also that lost forward band at 180k. had a rough life though
    RayRay
    92 Turbo miata
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    02 lexus is300
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  15. #15 Re: Mileage Failure 
    Moderator DanPrixGTP's Avatar
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    My trans failed twice.

    Once with the previous owner, unsure about mileage.

    Then again it failed on me at 145k. (But that was my fault, i flushed the trans. Dont do that, learn from my mistake).
    '97 GTP - Stage 2 Heads, 90# Springs, 1.9 Harland Sharp Rockers, Gen V, 3.0, Intake, N* TB, LQ4, FSIC, 10.5mm Wires, Poly Mounts, SLP Headers, Borla Exaust, Built Trans - SOLD*

    '08 G8 GT - 6.7L 408CI Stroker, 239/254 Cam, Fast Intake, 102mm TB, CAI, Full Exhaust.





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  16. #16  
    GTX Level Member crbquist's Avatar
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    Cam, gen 5, supporting mods, etc. and my original trans doesn't skip a beat at 112k miles.
    01 Silvermist GTP - E85 - Cam - Heads - Phenolic IC - Polished Gen V - Stock trans...
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  17. #17 Re: Mileage Failure 
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    My trans has 128k on it but Im not sure if iwant to mod it or not. Im trying to make this car last 4 or 5 years. My last car i had a year and a half and doing almost all city driving i put like 18k on it.
    If you consider beating on it flooring it and what not, I dont do that often at all. Only every once in a while when someone wants to race. Even getting on the highway i usually never go wot. And other than that i drive city a lot so i often try to save mpg by coasting, or quickly getting up to speed and then cruising/coasting...
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  18. #18 Re: Mileage Failure 
    Modded for Maximum Slow burgundybullet's Avatar
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    Had the car for about a year and a half and at 136,000 she started to slip. Got it rebuilt and at 155,651 shes doing great (thank goodness)


    1978 Oldmobile Cutlass Cruiser (crushed)
    2000 Grand Prix GT (Revived DD)
    2001 Grand Prix GTP Special Edition (Weekend Warrior)
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  19. #19 Re: Mileage Failure 
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    Quote Originally Posted by burgundybullet View Post
    Had the car for about a year and a half and at 136,000 she started to slip. Got it rebuilt and at 155,651 shes doing great (thank goodness)
    Was it modded or beat on until that 136k point?
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  20. #20 Re: Mileage Failure 
    GTP Level Member chris99gtp's Avatar
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    bought the car from a guy at 104k.. he had intense pcm c.a.i. 3.4 pulley... day after i bought it trans went
    99 gtp- Burnt and gone
    01 gtp- Here to stay-3.4, SD Headers, AL104's HAI, Overkill PCM, SD Hood
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