[Gmecm] Geting rid of electronic transmission.

[Dustin Lof]

it is more than just the oil past the release bleeds,
it also has to do with the flow of tcc apply oil flow
and cooler oil flow, the routing changes inside the
converter when lockup is applied.  Dustin Lof

--- Andrew Gibson <andrewsharyn at yahoo.com> wrote:

> Here's some info to put to rest the debate as to
> 4l60e/700r4 cooler flow. I flushed one today and my
> flush machine has a gpm flow guage on it, so I took
> advantage of it. I know some of you are going to say
> you've seen otherwise. So have I, but the numbers
> were either a little higher or a little lower. But
> not radically different.
>    
>   At Idle
>   Park .8gpm
>   Reverse 1.2gpm
>   Neutral .8gpm
>   OD-1st .8gpm
>    
>   2000 rpm wheels spinning
>   Reverse 1.2gpm
>   1st .8gpm
>   2nd .8gpm
>   3rd no tcc .8gpm
>   3rd tcc 1.3gpm
>   4th no tcc .8gpm
>   4th tcc 1.3gpm
>    
>   Obviously having the tcc engages increases cooler
> flow, but the flow never stops. Why the increase?
> The tcc piston is applied with fluid pressure. Most
> trans clutch pistons have a vent hole that leaks.
> Leakage from the tcc means more fluid being put in
> the converter so more has to return to the trans...
> through the cooler. Point blank: the cooler always
> flows no matter what. It just flows more when the
> tcc is engaged. So it looks like all of us were at
> least somewhat right concerning the cooler flow. 
> 
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