Y Block noise
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Freshman User
Joined: Oct 2006
Posts: 40
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Well I removed the valve covers to find one broken push rod. Not sure what is going on though. Looks like oiling was ok.
The engine was rebuilt about 4 years ago ,it now has about 4k on engine. I have not adjusted the valves since then. The next time I work on it I will fish out the broken push rod, hoping for some answers.
Terry
The engine was rebuilt about 4 years ago ,it now has about 4k on engine. I have not adjusted the valves since then. The next time I work on it I will fish out the broken push rod, hoping for some answers.
Terry
Senior User
Joined: Jul 2015
Posts: 139
Likes: 2
From: Wild and Wonderful WV
Same issue
Well I removed the valve covers to find one broken push rod. Not sure what is going on though. Looks like oiling was ok.
The engine was rebuilt about 4 years ago ,it now has about 4k on engine. I have not adjusted the valves since then. The next time I work on it I will fish out the broken push rod, hoping for some answers.
Terry
The engine was rebuilt about 4 years ago ,it now has about 4k on engine. I have not adjusted the valves since then. The next time I work on it I will fish out the broken push rod, hoping for some answers.
Terry
PS. There's a few great threads about valve adjustment in the Y block performance section should you need a reference
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Freshman User
Joined: Oct 2006
Posts: 40
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In my case I had 10 gallons of gas I removed from a car that was 5 years old. Being cheep I put it in the truck to use. I learned my lesson on that , anyway it caused one valve to stick and bent a push rod. I will run through all of them when its back together. What caused your pushrods to bend?
Senior User
Joined: Jul 2015
Posts: 139
Likes: 2
From: Wild and Wonderful WV
In my case I had 10 gallons of gas I removed from a car that was 5 years old. Being cheep I put it in the truck to use. I learned my lesson on that , anyway it caused one valve to stick and bent a push rod. I will run through all of them when its back together. What caused your pushrods to bend?
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Post Fiend
Joined: Apr 2002
Posts: 19,311
Likes: 97
From: Waterloo, Iowa
Yes, old fuel starts to oxidize, the volatiles evaporate and it turns to varnish. It will burn, sort of, on its way to becoming paint but it will cause the valves to stick after shutdown. The next time somebody tries to start it here's what happens:
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Post Fiend
Joined: Apr 2002
Posts: 19,311
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From: Waterloo, Iowa
59Terry
One thing you'll want to do when you're ready is adjust the valve lash. Here's a link to the easiest and yet most accurate and consistent across all cylinders method I have found. It's also very quick and takes about 15 minutes once ya get the hang of it.
One of the keys to making a Y block run sweet is accurate valve adjustment. I like to run a bit of Marvel's in the fuel, especially if not used as a daily.
http://www.potomacbird.com/pctc/Publ...-valvelash.pdf
One thing you'll want to do when you're ready is adjust the valve lash. Here's a link to the easiest and yet most accurate and consistent across all cylinders method I have found. It's also very quick and takes about 15 minutes once ya get the hang of it.
One of the keys to making a Y block run sweet is accurate valve adjustment. I like to run a bit of Marvel's in the fuel, especially if not used as a daily.
http://www.potomacbird.com/pctc/Publ...-valvelash.pdf
Tuned
Joined: May 2012
Posts: 302
Likes: 0
From: Seguin
Wow Tedster9 on the rods! I agree with the whole team here. Change gas, oil and filters. I had a push rod that came out one time and it was a sounding every second or two click noise. Good luck and keep us posted 59Terry.
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