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Originally Posted by CWizard
1320 - Thanks for the info. Since I'm not real knowledgable about engines, I'm hoping you can explain a little more. By valves being too tight, do you mean the lash adjustment is too tight? And how do I check to see if the valves are closing? FYI, I have hydraulic roller lifters. Thanks again.
Jerry
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yes, if this basically hapened when you adjusted the valves, its possible to over tightened the valve lash , so that when the engine is running the
oil in the hydraulic lifter (esspecially with lots of
oil pressure) wont bleed out enough , and the valve doesnt close alll the way, causing the flame front from ignition to escape past the exh valve down the header. This also means that you have basically experienced zero lash, which could cause bent pushrods, broken roller lifters, etc...ussually the pushrod gives first. If this is the case, it sounds like it would just barely be on the edge so I say hopefully that everything is still ok. Ofcourse I could be entirely wrong.