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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