Quote:
Originally Posted by Paul Workman
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I am damn sure I don't want to have another ZF lock up on me for lack of the "right stuff" whatever that might be! And, there is no doubt there is more than one lube out there that will meet or exceed the ZF needs. Picture this: A crowed expressway, cruising at 70 mph. Suddenly the car is decellerating as tho I was braking rather firmly. No brake lights, mind you, and no shoulder on the left side of the expressway. Engine is lugging hard in 6th to maintain cruise control input. Gotta get off this damn expressway NOW! Down shifting to 4th and give it more throttle, trying to maintain position and signal a right lane change - but still decellerating! I squeeze in front of the car in the right lane next to me, and then practically cutting off the guy in the next lane over to finally get to an off-ramp, just as the rear end locks up and brings the car to a screaching halt!!
P.
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Sounds a lot like the time my fuel sender stuck showing I had gas when I ran out on in the fast lane of a three lane highway. No fun cutting people off as you dive to the right for sure.
I've rebuilt a few ZF6s and the only thing I saw about the reverse rail of concern was the entry point for oil. It's vulnerable in that if you're even a slight bit low on oil it's bad news for the rail. Opening up the groove I'm sure would help but...... not a fix all. I keep my ZF6 ever so slightly overfilled.( 1 cup) And I make very sure the ZF6 is sitting level when filling it. I also use the stock GM oil (or Havoline 10w30)
Come to think of it, it's time to swap out the oil and coolant this year.