or Dextron/Mercon

"We recommend GM synchromesh part # 12345349,or Dexron III / Mercon Spec ATF fluid for all TKO transmissions."

I doubt they would be real happy of my bench mix of the bottoms of all my bottles though LOL

It's been in since April 2006, so when I get around to changing it the first time, I might be more creative


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- 70 Fastback Mustang, 489 cid FE, TKO-600 5 speed, 3.70 9 inch
- 71 F100 shortbed 4x4, 397 cid FE, headers, Street Dominator, 280H, 5 lug Dana 60, 4 speed