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  1. #1 External Trans Cooler 
    GT Level Member ls1camino's Avatar
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    I'm replacing my radiator this week. While I'm at it, I'm just going to upgrade to an external transmission cooler. Coincidence, Summit is running a special on B&M External Coolers, so I think I'll go with one of them. Should I just get the biggest one I can find? Is there such thing as "too big"? Should I be concerned with covering half of my radiator with my trans cooler?

    Here are the coolers I am looking at...

    8.5" x 11.25" x 1"
    B&M 70268 - B&M SuperCooler Oil Coolers - Overview - SummitRacing.com

    7.25" x 11.25 x 1.5"
    B&M 70264 - B&M SuperCooler Oil Coolers - Overview - SummitRacing.com
    2000 Pontiac Trans Am WS6 M6: 427ci LS3, Built T56, Moser 9" w/ 4.11 Gearing, Full Suspension, and 6-point Cage.
    2000 Pontiac Grand Prix GTP: Twincharged (T67 Turbocharger).
    2007 Chevrolet Silverado 3500 Dually: Intake, Exhaust, and Tune.
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  2. #2 Re: External Trans Cooler 
    Turbo is the way to go. BillBoost37's Avatar
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    Either will probably fit. You'll have some fun taking the nose apart to put it in..but it's all good.
    I drink..so consider that when reading my posts.

    2010 Audi A6 Dual IC's
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  3. #3 Re: External Trans Cooler 
    GTP Level Member joshv's Avatar
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    u wont need the biggest one u can get, i have one thats a little bigger then my hand, and i pulled it from a honda at the wreckers, it does the job for a gxp.

    2005 GXP / Cartuning Turbo Kit / meth / Cutout / Ported LS4 intake Manifold / HP Tuned / Custom 3" Cat-Back / Highflow Cat / SSC Springs / Poly Dogbone Mount's / 2nd Tranny /
    ( p/o track time12.6@109mph 1.7 60ft )
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  4. #4 Re: External Trans Cooler 
    GrandPrix Junkie
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    Those supercoolers are nice. I run the 70268 on my 95 T-Bird and it worked great. IIRC, the supercoolers have a built in thermostat that will allow the fluid to bypass the cooler until it reaches a certain temp. so you don't have cold fluid staying too cold. Want to say it was around 160* when it opens up.
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