Thread: Adjusting valves on the ZZ430
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08-19-2007 05:04 PM #1
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Adjusting valves on the ZZ430
I've had this car about 3 months now. Motor is #416. Prev owner said he had just changed the oil a month before I bought it.
When I dumped the oil- it seemed pretty thick to me. I swapped it for 5w30 Mobil1, motor has about 15,000 miles on it.
While I know these motors are notoriously noisy in the valve train, it seems so much louder now. Loud at idle, Seems to get real loud above 2500 rpm.
So- I think I need to pull the cast valve covers & take a look see.
What is recommended pre-load & procedure? My other car has a solid roller & it's lots quieter than this.
I also have cases of 10w50 Red Line I run in the 55. I wonder if that oil would be quieter?
My oil pressure is great BTWLast edited by Steves32; 08-19-2007 at 05:07 PM.
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