1957 - 1960 F100 & Larger F-Series Trucks Discuss the Box Style Ford Trucks

Y Block noise

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Old 09-05-2015, 06:42 PM
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Y Block noise

I have a y block in a 59 f100.I was wondering what the symptom's of to little oiling to the valve train would be.
Terry
 
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Old 09-05-2015, 07:51 PM
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Lots of valve clattering and engine failure. Pull a valve cover and look. As oem valve oiling was improved if not fixed by '59. Dirty oil and deposits can cause it though.
 
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Old 09-05-2015, 08:08 PM
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Thanks, I plan on pulling the valve covers soon. It was running great for 4 years . All the sudden its missing and some unusual sounds.
 
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Old 09-09-2015, 08:34 PM
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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
 
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Old 09-11-2015, 09:01 PM
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Same issue

Originally Posted by 59Terry
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
Had same problem in my 312, two pushrods later it was fixed...in learning from the guys of the y block section of FTE, these engines are very suceptible to valves losing adjustment...due to the flat tappet cam, valves need adjusted frequently...I'd go through all of them and set them at .18
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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Old 09-12-2015, 07:55 PM
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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?
 
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Old 09-12-2015, 08:01 PM
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Originally Posted by 59Terry
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?
The truck sat for years before I bought it, I assume the valves stuck
 
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Old 09-12-2015, 08:28 PM
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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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Old 09-12-2015, 08:39 PM
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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
 
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Old 09-16-2015, 07:52 AM
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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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Old 09-16-2015, 07:56 AM
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Old 09-16-2015, 08:00 PM
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That's a good video. He knows the engine much better than me. I could only retain that for maybe 10 min.
 
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