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Discussion Starter · #1 ·
Looking at fitting an auxilliary trans cooler to "Overdraft" & checked out the B&M coolers at Jeg's site.
With the ATF fluid viscosity flow, controlled as temperature rises,do you reckon I could safely bypass the radiator cooler? I'm running a warm 302w, kitted C4 with a 2200rpm stall.
Greg
 

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I would think it's better to abandon the radiator cooler when using an aux trans cooler. That's what I did. I figured, why absorb some of the heat from the engine coolant? I have a trans temp gauge, since the deep pan has a fitting, and find that it barely moves. Hit's about 180 degrees max in the summer.
 

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Hey mate.....

It all depends on how you do the plummbing.

Get the sender tube from the tranny, send it to the radiator, route it to the B and M cooler to the front of the radiator and then return it to the tranny return line....

This way it is a gradual cooling of the tranny fluid.....the engine coolant is always cooler than the trans fluid....then passing it through the B and M will bring the temp down much better altogether.

Shifting is much more consistent and the tranny is fine.
 

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Discussion Starter · #5 ·
With the ATF running hotter than the engine coolant,I guess would be more efficient to run the cooler inline, after the radiator trans cooler.Appreciate the help.
Greg
 
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