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Re: Air popping back through intake...

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Author  [Modern View]

10-29-2013 15:32:25

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Could be a sticking or bent intake valve... or if you're extraordinarily blessed... a burnt valve. Pull the rocker cover and look for a valve not returned home or slack/bent push rods and if that doesn't show anything, pull the head...


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10-30-2013 11:38:50

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 Re: Air popping back through intake... in reply to RodInNS, 10-29-2013 15:32:25  
Always a fun day around here...mercy.

Pulled the rocker cover, everything looked okay...spun the engine over while watching the valve train..heard two "pops", then everything seemed more popping through the intake at all while turning it over.

I wonder, for as long as this sat (good 15 years) if some carbon came off the piston and got into a valve seat?

When I first fired it up the other day and lot of "carbon flakes" were shooting out the exhaust pipe.

Think I'll change the oil and try it again.

Thanks gents!

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roger landers

11-01-2013 17:31:44

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 Re: Air popping back through intake... in reply to Mbaggs, 10-30-2013 11:38:50  
It could be the carbon you have talked about . I would also check the tappet clearances as well.
Then give it some work roger

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