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So valves seem to be ticking...

Chevy305

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So last month I sunk my truck in what you might call a lake... Long story short, the engine crank case sucked in A LOT of water, I mean more water than oil.

sunk.jpg


I changed the oil once I got it out before driving it home. Since this point I have been having a tick. I thought it was exhaust for the longest time until yesterday when I cold started the truck and for the first second the truck was running the ticking was really loud until I established oil pressure. I thought that can't be exhaust because it went away with the oil pressure coming up.

So today I pulled the valve covers and checked the whole valve train. Everything is in good order, no bent pushrods, no broken valve springs, no cracked rocker arms. So I re-adjusted the valves buttoned it up and the ticking is still there. Its quieter now but its still there. I have located it to the passenger side about 1/2 way down the engine rather than at the valve covers.

I'm at a loss here, I can't figure this one out. My engine runs perfect, no missing or any eraticness at all. In fact it seems more powerful now than it ever has been. Sorry for the long post, but any suggestions would be appriciated. :waytogo:
 
I didnt read up on your truck but if you are running a mechanical fuel pump you might want to check it. I had this problem awhile back. The pump had some slack in it and it sounded like lifters ticking. It was very easy to detect by putting a long bar against it and holding my ear to the bar.
 
I didnt read up on your truck but if you are running a mechanical fuel pump you might want to check it. I had this problem awhile back. The pump had some slack in it and it sounded like lifters ticking. It was very easy to detect by putting a long bar against it and holding my ear to the bar.

I replaced the fuel pump back in the spring with an autozone reman one. I'll definately look into that though.
 
The one i had had was brand new in the box from Napa. It was put on the engine while still on the engine stand and sat in the back of the shop for 2 years. Guess i got a bad one.
 
Anyone think if I keep running it will end in a catasrophic failure?
 
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