tricked919 Posted June 8, 2010 Share Posted June 8, 2010 Thanks again guys ...you were correct again. Yesterday afternoon the lifter noise went away !!! The motor still has a heavy piston slap right at cold start, but sounds like a million bucks a second or two after. Once its warm, it runs even better. It has some spontaneous vibrations and rpm flux at idle, but we're talking about a 13yr old car with a 15yr old motor. It has all new plugsm wires and a clean throttle body. If anyone can suggest anything, please do. I'm leaking a little oil from the drain plug, but that was expected. I used the original crush-ring because I planned on changing the oil in a week or so. If keeping a qt of tranny fluid in the motor all the time is OK, I'd like to keep doing that. It doesn't thin out the viscosity too much? I had a CEL come on last night and when we restarted it to head home, it was off. I have a vac line under the manifold that needs to be replaced. I'm going to eventually re-do all of them. Quote Link to comment Share on other sites More sharing options...
Rooster2 Posted June 8, 2010 Share Posted June 8, 2010 I would have concerns regarding using a quart of ATF to replace a quart of oil. Yes, ATF would certainly lower the oil viscosity to some degree. Why would you want to use ATF as a substitute for motor oil? Are you thinking that ATF is a way of adding detergent quality to the motor oil? In my opinion, I would instead be more inclined to change oil every 3000 miles to keep the engine clean. Quote Link to comment Share on other sites More sharing options...
Olnick Posted June 8, 2010 Share Posted June 8, 2010 +1! You've probably "cleaned" the engine innards as much as you can/need to. Stick to straight motor oil from here on! Quote Link to comment Share on other sites More sharing options...
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