Which ATF for T-5?
 

I have been reading several different sources on the subject. Some say use synthetic, others say no synthetic, some recommend GM's synchromesh (used in Tremecs I believe). My question is this, Who is running synchromesh or synthetic in their T-5? Let me know if your trans is stock or upgraded. Thank you in advance.

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Scott93GT
1993 Mustang GT
Silver CC/Titanium Accent GT, Black Clothe interior.
5 speed, 3.08's, 3 chamber Flows, K&N, Hurst Competition Plus.

1991 F150 4x4 XLT Lariat
Six Stick Regular Cab LWB Tow Vehicle

Dextron Mercron is what I use

Mobil synthetic ATF is good too

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Dustin
93 Cobra 261 rwhp
89 GT(Saleen Clone) 392 rwhp(TFS Intake,TFS Heads, BD-11A 9#,Ecam,1.6 rr's, BBK longtubes, lots more...

I put the GM synchromesh about two years back. I plan on changing it this summer and am going to try Redline Synthetic manual transmission oil. I have a stock T-5.

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88GT 5-speed
Mods: Cervinis Ram air hood 3.73 gears, King Cobra clutch, Pro 5.0, March alum. Pullies, DynoMax Cat-back, WMS Xtrac subframes, 16" Ponies.
"Nip it in the Bud"
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