What to use? The official TR manual says 90 wt. The laycock overdrive maintenance manual says SAE 30 wt. Some posts and Buckeye have recommended red line GL4 Mt-90 or Mt-85 or MtL
Leo Ruof (an OD rebuilder whom I trust) says 30 Wt. and is pretty adamant about it.
What is the final answer?
Leo Ruof (an OD rebuilder whom I trust) says 30 Wt. and is pretty adamant about it.
What is the final answer?