I rebuilt my Cruise-O-Matic as part of this restoration and it works perfectly- except when cold. It just won't shift into 3rd for, I'd guess, five to ten minutes of driving. I'm assuming that the reason is higher viscosity of the fluid when cold.
I have O'Reilly's Type F in the system and the level is correct. Do I need to change to another brand of fluid? Or is there an additive that I should use to reduce cold viscosity?
I have O'Reilly's Type F in the system and the level is correct. Do I need to change to another brand of fluid? Or is there an additive that I should use to reduce cold viscosity?
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