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05-19-2012, 04:19 PM | #1 |
Senior Member
Join Date: May 2010
Location: N.W. Iowa
Posts: 306
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Sticking Valve?
Anything to do about a sticking valve in 8BA engine at low idle. Runs good down the highway, but will almost stop at slow idle. Am running MMO oil in the gasoline, how about some in the oil??
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05-19-2012, 04:54 PM | #2 |
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Join Date: May 2010
Location: oroville ca.
Posts: 1,554
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Re: Sticking Valve?
first thing is to run a compression check, you need to know which one is sticking, intake or exhaust, it may not even be a sticking valve, does the valve make a ticking noise? if its an intake mmo should help , if an exhaust i dont think it will be much help, you might try changing to one of the super slippery synthic oils
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05-19-2012, 09:38 PM | #3 |
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Join Date: May 2010
Location: new zealand
Posts: 1,054
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Re: Sticking Valve?
how slow the idle?? it dont sound like valve speed the idle up a tad
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05-20-2012, 09:27 PM | #4 |
Senior Member
Join Date: Jul 2011
Location: Conroe TX
Posts: 170
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Re: Sticking Valve?
Did you use a vacuum meter to check if it is the valves and not something else? There was an animated post a week or so back that you could use to help pinpoint the problem.
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05-21-2012, 05:16 AM | #5 |
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Join Date: May 2010
Location: Cincinnati, OH
Posts: 1,361
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Re: Sticking Valve?
This vacuum gauge chart will help on that test:
http://www.vanpeltsales.com/FH_web/F...auge-chart.jpg
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VANPELT SALES LLC Cincinnati, Ohio Office: 513-724-9486 www.vanpeltsales.com www.classictransmission.com |
05-21-2012, 10:36 AM | #6 |
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Join Date: Jan 2012
Location: s/w Louisiana
Posts: 119
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Re: Sticking Valve?
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Tony |
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