C6 cooler line, tap case larger?

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C6 cooler line, tap case larger? Empty C6 cooler line, tap case larger?

Post  paperman on December 27th 2016, 3:49 pm

Any benefit to enlarging the case tapped holes to run larger lines?

Can anyone explain the hydraulic circuit and how/where fluid gets from the converter to the cooler? What meters that flow and can/should it be altered?

This is going in a big heavy, large tired truck with a fair amount of power. That trans will need all the cooling I can toss at it.

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C6 cooler line, tap case larger? Empty Re: C6 cooler line, tap case larger?

Post  HorsinAround on December 28th 2016, 10:59 pm

When I ran a C6, n my pulling truck, it was 720hp and the truck weighed 6200lbs. I just installed -6an adapters in the case and ran -6 line. You don't have to drill and tap the case.
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Post  BigRigTech on December 28th 2016, 11:37 pm

HorsinAround wrote:When I ran a C6, n my pulling truck, it was 720hp and the truck weighed 6200lbs. I just installed -6an adapters in the case and ran -6 line. You don't have to drill and tap the case.

I have the same thing on my car with a big B&M cooler up front. Zero issues.
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Post  rmcomprandy on December 29th 2016, 1:57 pm

The amount of fluid going through the cooling line is controlled by whatever the by-pass of the pressure regulator relieves. After going to and back from a cooler it re-enters the transmission as the lubricating fluid throughout, The cooler that fluid gets; the better.

That is usually OK for any drag racing or regular street use.  Road racing or oval track needs a separate set of cooler lines from the pan to a pump through a cooler and re-enter the transmission above the planetary gear-sets.

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Post  paperman on December 29th 2016, 2:05 pm

Thanks Randy, I assume the pressure is set in the pump or is it VB function?

Is there a link anywhere I can look at the fluid path? I assume the pump pulls from the pan and that pressurizes the hydraulic circuit for transmission function, the relief of that goes to the cooler and back as lubrication oil. Where does the converter supply/relief come in to play? Does it charge off of the cooler circuit of from the control circuit? Any recommendation on external pumps for the budget minded if there is such a thing, Thank you.

RK

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Post  Frank Merkl on December 29th 2016, 2:39 pm

your just over thinking it way to much
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