Quote:
Originally Posted by Huehuecoyotl
Hey thanks. glad you enjoyed my research!
if your t5 calls for an ATF dont use the pentosin MTF2 in there
if you need dex3 and mercV compliance they have a pentosin ATF1, but I dont know that tranny, not the same as my borgt5
I have yet to send my sample in for uoa, but will, having tracked it heavily
as for fill volume, you fill till it drizzles out the hole guys
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Gem, I appreciate your concern regarding the Mustang trans. It does call for Mercon V, and is similar to the BW T-5. I've driven many BW T-5s, and though not a real nice transmission, they feel great compared to the Tremec version in this car. My problem is not with cold shifting like in the FR-S. It gets worse as things warm up. This leads me to believe a slightly thicker oil will help. Many people with this trans have reported good results when switching to RP synchromax/GM synchromesh/Redline MTL (70W80)/etc. I've tried Amsoil's thinner (don't remember the name) MTF, the RP synchromax, and Amsoil's Torque Drive ATF (very robust for an ATF). All felt better than the OE fill.
I already have the fluid in the trans, so I'll give it a try and see how it goes. If the worst happens, there is an adaptor plate available to swap in a TR-3650 5 speed or BW T-56 6 speed trans. Either one would be a vast improvement over what I have now.