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84LX89GT · 02-07-2003, 08:19 PM

A stock T5 takes regular ATF (mercon), You can upgrade to Mercon V, which is synthetic and has all the same additives and detergents than regular mercon has plus it's synthetic.
I've also heard of quite a few companies like Red Line fluids, and Royal Blue (i believe is the name) that offers synthetic fluid, which you can look it up on their website (Redline) or probably call Summit Racing, or whoever you're ordereing from to get the right fluid.

02-07-2003, 08:19 PM	#2
84LX89GT Mustangs Join Date: Jul 2000 Posts: 1,938	A stock T5 takes regular ATF (mercon), You can upgrade to Mercon V, which is synthetic and has all the same additives and detergents than regular mercon has plus it's synthetic. I've also heard of quite a few companies like Red Line fluids, and Royal Blue (i believe is the name) that offers synthetic fluid, which you can look it up on their website (Redline) or probably call Summit Racing, or whoever you're ordereing from to get the right fluid. __________________ 2005 Suzuki Hayabusa GSX1300-R 1980 Ford Thunderbird - 255 V8 ported heads, 5.0L ported stock headers, O.R. H-pipe and Flowmaster 2-chambers, dual roller timing chain hi-po Mack Truck hood emblem 1985 Mustang GT 5.0L T5, F-303, GT40p, headers, off-road h, flowmasters, MSD stuff, etc. Sold 02/06/04 1989 Mustang GT ET: 13.304@102.29 mph (5-24-03) Sold - 1998 Mustang Cobra coupe, 1/4 mile - street tires: 13.843@103.41 (bone stock)