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Corvette
C3 Forum
Clicking from motor when reved
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<blockquote data-quote="XFIRE82" data-source="post: 174589" data-attributes="member: 2292"><p>if valves are not set right it would either be a steady clicking noise all the time or even a steady shudder while running and not a smooth running motor. Since you say it runs smooth then I presume no misfires or shudder so the valves are ok. It kinda points to the header flanges not sealing properly. A thicker or double gasket may help if that is the case. Headers are known to burn and short out plug wires. You may have a plug wire that may be arching to the pipe and once in awhile it may misfire . I know it is hard to do and see in there but sometimes you can put your fingers down there and feel the exhaust blowing around the flange. If you suspect the pass. side , just lean over it and reach over to the carb and work the linkage to rev the engine and perhaps will give you a better idea where the noise is coming from. The black soot is always a good indicator of a leak. When you rev up the engine and hold it, does is run smooth also or once in awhile pop misfire or shudder ? brake torqueing in gear also can tell if it runs even under load or if there is a missfire it will shake and you'll easily hear and feel it.</p></blockquote><p></p>
[QUOTE="XFIRE82, post: 174589, member: 2292"] if valves are not set right it would either be a steady clicking noise all the time or even a steady shudder while running and not a smooth running motor. Since you say it runs smooth then I presume no misfires or shudder so the valves are ok. It kinda points to the header flanges not sealing properly. A thicker or double gasket may help if that is the case. Headers are known to burn and short out plug wires. You may have a plug wire that may be arching to the pipe and once in awhile it may misfire . I know it is hard to do and see in there but sometimes you can put your fingers down there and feel the exhaust blowing around the flange. If you suspect the pass. side , just lean over it and reach over to the carb and work the linkage to rev the engine and perhaps will give you a better idea where the noise is coming from. The black soot is always a good indicator of a leak. When you rev up the engine and hold it, does is run smooth also or once in awhile pop misfire or shudder ? brake torqueing in gear also can tell if it runs even under load or if there is a missfire it will shake and you'll easily hear and feel it. [/QUOTE]
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Corvette
C3 Forum
Clicking from motor when reved
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