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01-01-2003, 04:31 PM
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#1 |
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Registered User
Join Date: Dec 2002
Location: Milwaukee, Wisconsin
Posts: 198
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Valve Adjustment
Do you have to run the valves on a '85 LE9 motor? I think I have a tick/tap coming from the passenger side but it sounds like it could be coming from either the top or the bottom, I was wondering if I have to adjust the valves. Thanks for any info.
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Paul D. '78 C20 Scottsdale 350ci 3 speed with granny gear 14 bolt rearend My trucks are "Car-Guy safe".......which pretty much means death trap in the hands of a normal civilian. |
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01-01-2003, 05:53 PM
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#2 |
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You get what you pay for
 
Join Date: Dec 1999
Location: Cherryville, NC
Posts: 4,798
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The valves don't need adjustment like solid lifters do. They don't go out of adjustment, because they are hydraulic. If you have one ticking, it's more than likely sticking, or a lifter going bad. Of course, it's very possible the cam lobe is also going.
Let's hope it's just sticking. They make some stuff called top engine cleaner. I've never used, only heard about it. It's supposed to help this I believe. I've also heard you can add some Marvel Mystery oil to help with things like this, if indeed it is sticking. Worth a shot I guess.
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Mike 1985 Chevy C-10 |
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01-01-2003, 06:28 PM
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#3 |
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Account Suspended
Join Date: Oct 2002
Location: Olathe, KS
Posts: 2,300
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If the Marvel Mystery oil doesnt do the trick, you might find out what side the noise is on, pull that valve cover and check for a "pulled" rocker arm stud.
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