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@bnj.com
> Date: Wed, 29 Jun 2011 16:10:40 -0700
> To: kenandtweety@yahoo.com
> CC: fot@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
> >> _______________________________________________
> >> fot@autox.team.net
> >>
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> > _______________________________________________
> > fot@autox.team.net
> >
> > http://www.fot-racing.com
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>
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