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Joined: Feb 2018
Posts: 32
Shade Tree Mechanic
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OP
Shade Tree Mechanic
Joined: Feb 2018
Posts: 32 |
Finally got back to this 33 project. I pulled the valve cover and the push rod cover off and got a shock. 4 of the push rods and badly bent. Found the accompanied valves frozen. The puzzling thing is, This engine ran perfect without any taps or noise until I shut it down. The only thing I can think of is maybe the oil pump failed. So I'm getting ready to pull the head and see how much damage was done. I'm crossing my fingers and toes.
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Joined: Jan 2002
Posts: 30,701 Likes: 141
ChatMaster - 25,000
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ChatMaster - 25,000
Joined: Jan 2002
Posts: 30,701 Likes: 141 |
A rather commom problem. The old gas forms a varnish on the valve stems. When hot the varnish expands and the valves stick. This usually occurs on the intake valves. Normal fix is to squirt (through the valve springs) a solvent on top of the valve gudes. On a 1933 just fill the top cap on the valve spring. The valves the pistons hit generally are not bent. Also add some 2 cycle oil to the gas.....
Gene Schneider
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Joined: Jan 2002
Posts: 30,701 Likes: 141
ChatMaster - 25,000
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ChatMaster - 25,000
Joined: Jan 2002
Posts: 30,701 Likes: 141 |
I should add after soaking the valve stem gently tap the valve stem on top to work the valve loose. Do not turn valve.
Last edited by Chev Nut; 05/16/19 06:07 PM.
Gene Schneider
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Joined: Jan 2002
Posts: 1,069 Likes: 9
ChatMaster - 1,000
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ChatMaster - 1,000
Joined: Jan 2002
Posts: 1,069 Likes: 9 |
1946 Chevy 3100 1/2 Ton Pickup Purchased 11/18/17 Sold 9/20
1948 Chevy Fleetmaster Coupe, Purchased 6/20/2010
1965 Chevy ll 350 Purchased Feb 2021. 3-speed Saginaw Hurst Floor Shifter 3.08 Rear End
2019 Ford Ranger Lariat Super Crew
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Joined: Feb 2018
Posts: 32
Shade Tree Mechanic
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OP
Shade Tree Mechanic
Joined: Feb 2018
Posts: 32 |
I helped a friend start this car a few weeks ago. It ran great. he shut down the car and it would not start again.Iv go some of the valve freed up again.
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