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70 Fleetwood, 87 and 90 Brougham, 94 Fleetwood
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215 Posts
There is no provision for adjustment on these engines. If you have vakve noise, you will need to trace the scource. Start by removing the rocker covers and inspecting the rockers and bridges for excessive wear.

Mike
 

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2005 Escalade 6.0L 2WD, 2007 Jeep Grand Cherokee Limited CRD
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3,732 Posts
The valve lifters are hydraulic, and adjust themselves. Unless you had the heads milled and didn't use shims or the correct thickness head gasket to compensate, you should be fine! What is the problem you are having with your valvetrain?
 

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1990 Sedan Deville
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18 Posts
Discussion Starter · #6 ·
Well I guess nothing is seriously wrong with the valvetrain. I was just wondering if the heads could be put on without any adjustments. the problems Im having is that the car bogs down alot. I have a 4.5 from an 88 deville. the tube going into the O2 sensor(I think its the O2 sensor) is split in half. I wonder if I should replace that and see where that gets me. Anyone know where to get that part on the net? Oh yeah, the heads were not milled or anything they were just taken off and then put on with a new gasket.
 
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