[Mgs] Removing Carbon Build Up on Piston Heads

[Otis15 at aol.com]

I used silicone seal. The type in the calking tube. What the vacume  doesn't 
get sticks to the sealant.
Peels right of when dry.
 
                                                      Steve
                                                         
 
 
In a message dated 2/18/2008 6:42:46 P.M. Eastern Standard Time,  
mgbob at juno.com writes:

Paul,
I've read in some texts,  very old ones,  though, that one should place
a section of ring on top of piston before  scraping, then scrape to the
ring.  It was not written, however, if  that was to provide protection of
cylinder wall from the scraper, or if it  was to preserve the ring of
carbon around the outer edge of the  piston.
I agree that there seems to be no reason to leave the  ring of carbon,
but have read to do so in a number of sources. Perhaps it  was a practice
in USA years ago. 
Bob

On Mon, 18 Feb 2008  08:37:19 -0000 "Paul Hunt"
<paul.hunt1 at blueyonder.co.uk>  writes:
> The broken piston ring is to clean the ring grooves in the  piston, 
> not leave 
> a ring around the crown.
> 
>  PaulH.
> 
> ----- Original Message ----- 
> >A broken  piston ring was recommended to me for use as a scraper in 
>  this
> > situation
> >
> >>> removing  carbon
> >>> ...it is best to leave a ring of carbon round  the
> >>> outer edge of the  piston.
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