Quote:
Originally Posted by Mika73
I guess that biggest problem is at highway at cruise maybe 50mph and little uphill comes.. That sound isnt so nice.. So maybe I should get Castrol 10W60 next time if it makes difference to normal GM oil that is used with ZF.
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Well, I think we're talking about two different things... The Fidanza/ZF noise at idle is one thing, but noise on the highway - under load

? That doesn't sound so good, and I doubt it has anything to do with the Fidanza under the conditions you describe... Something else is going on there, I guess. I would suggest linking up with Bill B at ZFdoc.com
P.