Tapping/ticking noise
05-19-2011, 08:15 AM
#32
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I would replace exhaust gaskets first, then take to mechanic if necessary...f.y.i Just because your mechanic charged you a staggering 800 bucks to winterize your boat does not necessarily mean that he did a quality job.
05-19-2011, 09:21 AM
#33
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X2...Exhaust gaskets first! Listen to Griff and pacalim
05-19-2011, 10:09 AM
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05-19-2011, 10:11 AM
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05-19-2011, 11:17 AM
#37
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BTW, those compression are terrible if they are even close to correct. Those would be what I would expect to see on a 500+ hour engine.
Replace the exhaust manifold gaskets, run the engine up to temp and then repeat the comp test.
Replace the exhaust manifold gaskets, run the engine up to temp and then repeat the comp test.
05-19-2011, 07:08 PM
#38
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Replacing the exhaust gaskets isn't easy!! There seems to be one bolt towards the stern which is blocked and acts like a swivel (kind of a good thing)...problem is the power steering hose won't allow the manifold to go up more than an inch...running out of time today but I'm making headway.
Griff--I agree with you on those compression numbers. However, I have full power so something isn't adding up right.
Griff--I agree with you on those compression numbers. However, I have full power so something isn't adding up right.
05-19-2011, 09:55 PM
#39
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Ok, well I replaced both exhaust manifold gaskets and both riser gaskets and ran the boat...the problem remains! Its clearly metal on metal (pushrod, rocker, lifter would be my guess). I pulled the valve cover on the port side but havent pulled it yet on the starboard...If the intake has to be pulled Im probably just going to take it to a shop!! This sucks because I really enjoy working on the boat but just feel Im getting past my comfort zone.
Last edited by Powerquest_Baby!!; 05-21-2011 at 01:44 PM.
05-22-2011, 07:54 AM
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Nothing wrong with going beyond you comfort zone, Thats how we learn. Besides its only a v8 engine, been making them for over 100 years and millions of them out there can't be to serious. Sounds like you were right valve train. Let us know what you find, I had similar sound 'not that loud' I pulled valve covers and saw nothing out of norm. friend of mine had strange sound coming from engine compartment and it ended up to be a alternater bolt that backed out and was hitting fins on alternator.
