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Ordered and am having the 4L65E Stage 5 built for Oprah. Built up 4L60E aint gonna take it anymore. FinishLineTrans is building it. http://finishlinetrans.com/transmissions/4L65E-Level5.htm
Anyway. They recommend conventional ATF and not synthetics of anykind. Kinda suprising. So I got two cases ( Trannie Cooler and big ol trannie fluid spin on filter) of NAPA High Performance ATF conventional.
Never would have thought a dino ATF would have been recommended over a synthetic but I learn something new everyday I guess. Builders dont like the "friction modifiers" in the ATF synthetics. Looking forward to seeing the temps....with the 4L60E I run 160 degrees consistently....
 

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Do you have an aftermarket torque converter or are you still using the stock one? Another quick question. What would be a good stall to use for and aftermarket torque converter. You seem very knowligable(sp) about these cars.
 

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socal gto said:
Do you have an aftermarket torque converter or are you still using the stock one? Another quick question. What would be a good stall to use for and aftermarket torque converter. You seem very knowligable(sp) about these cars.
No I run a Precesion Industries Vigalante 3600 stall. http://www.converter.com/
Very streetable and just hooks and goes. Of course having a iron block Stroker motor doesn't hurt any :)
Seriously 3200-3800 is streetable and keeps you in your power band very nicely.
I do highly recommend a trannie cooler. Easy install....cheap....your trannie thanks you.
 
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