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Re: [Fot] Freeing stuck pistons

To: Bill Babcock <billb@bnj.com>
Subject: Re: [Fot] Freeing stuck pistons
From: "Chuck Arnold and/or Kathleen Kelley" <triosan@gmail.com>
Date: Wed, 29 Jun 2011 16:57:52 -0700
F stands for "Forceful" of course :)
.  Probably A BBFPress would work better.

On Wed, Jun 29, 2011 at 4:10 PM, Bill Babcock <billb@bnj.com> wrote:

> 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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-- 
Chuck Arnold and Kathleen Kelley
_______________________________________________
fot@autox.team.net

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