01-16-2018, 01:29 AM | #21 | |
Senior Member
Join Date: Apr 2015
Location: Sweden
Posts: 3,045
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Re: Stuck Piston
Quote:
If your lucky anything will work out fine...i canīt afford to break a customer engine so have to play it safe. |
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01-16-2018, 08:10 AM | #22 |
Member Emeritus
Join Date: Nov 2012
Location: Wichita KS
Posts: 16,132
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Re: Stuck Piston
I'm not sure why you would want to gamble with damaging a block, unless you have access to a bigger supply than I can find! It is fairly simple to drill the center out of a piston to relive any pressure on the cylinder walls.
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01-16-2018, 10:08 AM | #23 |
Senior Member
Join Date: Nov 2015
Location: North Pole, Alaska
Posts: 2,651
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Re: Stuck Piston
I will admit I’ve always used the block and hammer method, never cracked one. But now that I know, I’ll be using the drill method. Besides, I’m sure the drill will be a lot easier on my bad shoulder.
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01-16-2018, 10:19 AM | #24 |
Senior Member
Join Date: May 2010
Location: Solihull, England.
Posts: 8,754
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Re: Stuck Piston
I stripped a very crusty UK built 21 stud and hit the heads of the pistons from underneath with a round punch and they popped right off. I tried this on a severely seized 59A and gave up as I was having to hit them so hard. Worth a try, though, if they pop off easily it makes it easier to get at the remnants.
Mart. |
01-16-2018, 10:35 AM | #25 |
Senior Member
Join Date: Jan 2014
Location: Orcas Island Washington
Posts: 4,935
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Re: Stuck Piston
The hardwood plug I used to use for beating never hit the domed piston where I wanted it to. To me the contact should be in a ring about 1/2" wide at the outer perimeter of the piston. I once had a heavy piece of pipe with a cap that worked well, but it became mashed and deformed. Now I use a plug I made from some 2" wide lead strip rolled up like a cinnamon roll to about 3" diameter. Then the hardwood beater on top. This delivers a blow quite evenly across the piston's crown. Hasn't failed me yet. In my fire I used mmo for fuel, and when that ran out I switched to atf and lastly brake fluid. Old shop rag for a wick.
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Owner/Operator of 'Jailbar Ranch' on the side of Mt. Pickett. Current stable consists of 1946 1/2 ton pickup turned woodie wagon with FH V8, 1947 Tonner Pickup (red) mostly stock with exception of a cummins 6at turbo diesel, 1946 Tonner Pickup (green) with 226 cu in 6 cyl flathead, 1979 Toyota landcruiser wagon, completely encased in 1947 Ford Jailbar sheet metal. Ok, cornbinder rear fenders..... 'Rusty ol' floorboards, hot on their feet' (Alan Jackson) |
01-16-2018, 12:38 PM | #26 |
Senior Member
Join Date: May 2010
Posts: 2,173
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Re: Stuck Piston
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