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Tranny temps during the winter

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Old 10-06-2010, 02:44 PM
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Default Tranny temps during the winter

hi there guys.. its almost winter in a month or two.. *middle eastren weather *

the tranny needs to be stable at a certain temp to lubricate not too cold < not sure about this information.. but definately not too HOT!! , to keep the temps stable what do u guys do.. i was told by a guy who ones a speedshop that he blocks half or quarter of the cooler.. any pictures will be very helpful...

thanks
Old 10-06-2010, 03:52 PM
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I used to live up north, and more often than not I saw trucks with the grill blocked off by various stuff, cardboard etc. Gets you and your truck up to temperature quicker. I wouldn't recommend it unless its close to or below freezing though.
Old 10-06-2010, 03:55 PM
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I don't do anything, just drive. (Alaska).

Most of the trucks that you see with winter fronts on the grills are diesel. They do it for better heater performance & better fuel economy.
Old 10-06-2010, 03:56 PM
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Take it from the guy who lives in Alaska lol. I only went as far north as Montana. Damn cold there in the winter too, though...
Old 10-06-2010, 05:14 PM
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Get a trans cooler with a thermal bypass so the fluid bypasses the cooler until the fluid gets up to operating temperature.
Old 10-06-2010, 05:21 PM
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Originally Posted by 1slow01Z71
Get a trans cooler with a thermal bypass so the fluid bypasses the cooler until the fluid gets up to operating temperature.
Not necessary, in my opinion. Especially if ran thru the radiator-tank cooler first. Here's why.
Old 10-06-2010, 05:25 PM
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Ive installed more of those 40K coolers than I can count on my fingers and never once read the side of it

Sounds like the external thermal bypass they sell is just a hoax then. Ive personally never used the bypass on any of the ones Ive isntalled and never had a problem, I guess that explains why
Old 10-06-2010, 06:08 PM
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Originally Posted by 1slow01Z71
Ive installed more of those 40K coolers than I can count on my fingers and never once read the side of it

Sounds like the external thermal bypass they sell is just a hoax then. Ive personally never used the bypass on any of the ones Ive isntalled and never had a problem, I guess that explains why
Yea, Roger posted that picture once before, right after I installed mine...I hadn't read the box either, but had read before that that's how it worked. Just get a nice loose torque converter and that trans will heat up plenty fast
Old 10-06-2010, 07:36 PM
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I have been wondering this as well. Now the temps have been dropping and while driving down the highway with the converter locked my trans temp are around 120-130*. Im kinda wondering if this is a little too cool.

I have the trans fluid going through the radiator, then thermal bypass, then trucool 40k and back to the trans and just a 278mm 3200 converter.
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