[Fot] Freeing stuck pistons

[Greg "Lunker" Hilyer]

Thanks for jarring the memory...
'43 Ford military jeep. Sold it to a friend - stuck engine and all. A  
couple days later he had it on a lift with the pan off and a long  
2"x4" on a bottle jack. Jacked that piston enough to push the Jeep  
close to the ceiling. So he chained it down and jacked it up some  
more. About the same time as the frame started to bend I finally  
started telling him not to kill the poor little thing. Got him to put  
it on the ground and a couple whacks with a wood block and BFH did  
what thousands of pounds of pressure would not.

Greg "Lunker" Hilyer
TR4 #314
Albuquerque NM
On Jun 29, 2011, at 6:03 PM, Kas Kastner wrote:

> It is just amazing how much you can move with a BIG hammer and a  
> short block
> of wood if you don't have that press handy. You buy the biggest  
> hammer you can
> find and after thos job you'll still have the hammer for furture  
> work on fine
> equipment.
>
> Never be beaten by equipment
>> From: billb at bnj.com
>> Date: Wed, 29 Jun 2011 16:10:40 -0700
>> To: kenandtweety at yahoo.com
>> CC: fot at autox.team.net
>> Subject: Re: [Fot] Freeing stuck pistons
>>
>> BBFH. BB stands for Big, Big and H stands for Hammer.
>> On Jun 27, 2011, at 4:59 PM, Ken Suhre wrote:
>>
>>> Tim, If you are not saving the pistons and have the crankshaft  
>>> out of the
>>> block, why not set the block in a hydrolic press? Then place a  
>>> suitable
>> size
>>> thick piece of steel on top of the piston and press them out. I  
>>> have a
>> feeling
>>> they will move rather easily since you have been soaking them with
>> penatrant.
>>>
>>> Ken Suhre
>>>
>>>  Tim wrote: Has anyone tried
>>>> to free stuck pistons out of an
>>>> old motor.
>>>> I picked up a spare 1147 Spit motor that has been sitting
>>>> with
>>>> the head off for
>>>> at least 15 years.
>>>>
>>>> Pistons 2 & 3 were at BDC and came out
>>>> pretty easily after soaking in Kroil and
>>>> PB Blaster for several days, then
>>>> tapping out with a piece of wood and hammer.
>>>> Pistons 1 & 4 are at TDC and
>>>> pretty well frozen in place.  Penetrants doesn't
>>>> seem to weep past the
>>>> rings.  I've tried heating the pistons a few times
>>>> with a
>>>> propane torch.
>>>> That hasn't helped much either.
>>>>
>>>> I have the motor on a stand and alternate
>>>> soaking it from the top or bottom
>>>> every free days. I understand much patience
>>>> is required.  Eventually I may have
>>>> to use brute force and bust the out. Not
>>>> a big deal since the block will need to
>>>> bored out.  But at this point I'm
>>>> still hopeful that they can be removed intact.
>>>>
>>>>
>>>> Thanks,
>>>> Tim
>>>> _______________________________________________
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>>>>
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