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