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Seized piston impact options?



1)  Crud was all of your above!  Some (but really not that much) rust, lotsa a carbon. Probably about 2-3cc's total. The other pistons have what would seem to be above-normal carbon deposit for a 70k mile motor, but nowhere near the amount seen in #4....
 
3) don't have a rubber/wooden mallet - would the handle end of a screwdriver work?
 
4) I'm not really opposed to cracking the block open, but the goal was not to spend too much $$ on this motor - it was only supposed to get me by for a year while I get my 
X-flow turbo 3A going. (that's assuming buying all near bearings, rings, etc...)
 
>From my uneducated standpoint, there is a saving grace - the #4 piston, which is the one that appears to be stuck, is stopped near the top which would seem to make it plausible that I could give the area in question a light hone myself without having to drop the crank. Am I off-base?

Thanks for the input - Jeff
Patrick Bureau <txrocco@sbcglobal.net> wrote:
1. Please define crud (ie: carbon deposit or water/crap/oil deposit ?)
2. pb blaster for a week, then breakerbar with a long breaker bar should
turn that puppy over
3. alternatly you could use a rubber or wodden mallet to tap atop each
piston head to "dislodged presumed rusted rings from the chamber wall"
4. personhally I would take the bottom end out, bearings/cranks and all, and
then push the pistons out, if there IS rust (due to water deposit) I dont
think turning a rusty crank is going to help against" scarring the surface
of the bearing area on teh crank."

just my 2 cents worth.


ATS - Patrick Bureau


->-----Original Message-----
->From: scirocco-l-bounces@scirocco.org
->[mailto:scirocco-l-bounces@scirocco.org]On Behalf Of Jeff Toomasson
->Sent: Saturday, November 08, 2003 8:03 PM
->To: scirocco-l@scirocco.org
->Subject: Seized piston impact options?
->
->
->The wife gave me a free pass this afternoon and I finally got
->around to cracking open the ABA I bought a few months back (I got
->it cheaper because it wouldn't turn over - it was complete w/
->head, intake/exhaust mani's, T/B, fuel rail, so I didn't even
->blink for $175).
->
->Wow - there was sh*t-load of crud in chamber 4...anyway, all the
->chambers have been liberally doused with PB Blaster and will be
->refreshed twice a day for the next couple...
->
->I'm wondering if there's any kind of impact I could apply to the
->pistons w/o damaging them to assist the breakage. Could I use the
->handle end of a screwdriver? Would it even make a difference? Any
->other ideas?
->
->Hope you all are enjoying your weekend - Jeff (w/ son in rainy
->California! :p )
->
->
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