what trans fluid/gear oil

Transmission & Driveline - Auto, manual, clutch, convertor, driveshaft, rear, axles, etc...
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88blownstang
330ft
Posts: 565
Joined: Thu Feb 28, 2008 4:38 am
Location: south jersey

what trans fluid/gear oil

Post by 88blownstang »

What trans fluid/gear oil do you guys use in manual transmissions for a mustang..T5..tremec..etc

Some people use 10/30..some use syntec 80/90w.

What is the best as in breaking down and smoothest?
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rednotch
60ft
Posts: 228
Joined: Thu Feb 28, 2008 10:57 pm
Location: south nj

Re: what trans fluid/gear oil

Post by rednotch »

WC t5's 85 and newer do not take gear oil. Same goes for tremec transmissions t5's take atf Dextron III I will only run GM synchromesh in my tremec tko or 3550 same goes for the 500/600 series.

gear oil I use royal purple 75W90
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