trans coolerS in series???
trans coolerS in series??? can two trans coolers be run in series (in ADDITION to the stock one). i know it sounds odd, but even with a big B&M cooler and the stock cooler tranny fluid still gets into the 250 range while autoX and road racing.
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can it be done??
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can it be done??
...hmmm...it doesnt sound like it couldnt work, unless the pressure drop is too significant. i plan on running two either 10x14 or 10x18 inch coolers after the stock tranny cooler (well, not really "stock", its a griffin radiator w/ tranny cooler)...either way, both coolers will have 12v fans (1250cfm on the 18s and 1000cfm on the 14s)
My preference when running mutil coolers in order to avoid excessive restriction is to run them in paraell to each other this will keep restriction down and reduce crankshaft thrust bearing loads while still increasing cooling considerably.
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koolaid is correct,if you are seeing 250 degrees take the factory cooler out of your setup, cause it is only heating the fluid up and not cooling it.You only really need it in cold climates ,not warm ones.
I'm running two coolers one with a fan and the other without. I have bypassed the radiator cooler though. Even after spirited driving the highest I have seen is about 180-185.
Excuse the bootleg paint work but which setup would be better in regards to flow and pressure from the two crude drawings below. I'm currently running my lines like the 1st pic but after reading this thread and hearing somebody mention a Y fitting would it be better to run the lines like picture 2? Both pictures bypass the radiator cooler.
the second setup (which is what was talked about above) seems more efficient to me...but i dont take fluid dynamics for another year or so lol
anyway...i think i'll keep the radiator cooler as well as running the two others
so far i've got permacool heat exchangers for the oil, trans (x2), power steering, and diff...plus the radiator and intercooler - my car's gonna boil the ******* pavement lol
anyway...i think i'll keep the radiator cooler as well as running the two others
so far i've got permacool heat exchangers for the oil, trans (x2), power steering, and diff...plus the radiator and intercooler - my car's gonna boil the ******* pavement lol
I would have to say you have other issues if you are seeing 250+ degrees. I road race and auto-X as well, I only have one big B&M cooler (70268) and my temps never exceed 180. During my last road racing adventure the ambient temps were in the 120s (summer in the CA high desert) and my trans temp never went above 180, as seen on my B&M gauge and while being scanned via HPTuners. I have a feeling the extra cooler will not help much, where do you have the cooler mounted? Also how big is your converter?
I hit 250 twice after a tranny rebuild and it ended up being a converter going out that was causing the high temps. I installed a new yank and haven't had any issues since.
the second setup (which is what was talked about above) seems more efficient to me...but i dont take fluid dynamics for another year or so lol
anyway...i think i'll keep the radiator cooler as well as running the two others
so far i've got permacool heat exchangers for the oil, trans (x2), power steering, and diff...plus the radiator and intercooler - my car's gonna boil the ******* pavement lol
anyway...i think i'll keep the radiator cooler as well as running the two others
so far i've got permacool heat exchangers for the oil, trans (x2), power steering, and diff...plus the radiator and intercooler - my car's gonna boil the ******* pavement lol
definitely the first picture...better flow and less loses...t fittings add to much lose...If i remember right for every t fitting is equivalent to adding about 60ft of hose...as far as loses go...fluid dynamics
Another option would be to run the B&M cooler that has the 9" Spal fan on it. It will work much better than two regular trans coolers. There will be less of a pressure drop, and will run cooler.