has anybody had a problem with pistons shrinking while running, in my case it was built with 4 thou clearance and after 500 miles it is 6.5 thou but the ring gap is still the same???????
anyone else heard of this??????
shrinking pistons?
Last edited by mark on Wed Jan 11, 2012 9:10 pm, edited 1 time in total.
train drivers 255 is now a 175 
whats causing it as its going on in the bike world too
whats causing it as its going on in the bike world too
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scooterjet
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Mentioning no names but I know the pistons meant for Racing and Touring shrink.
Pistons will wear for many many reasons even at 500 miles! Don't just blame the piston! Oh but that is the obvious thing because MB had them made! Would you like to send your engine in for evaluation?
i was just asking a question without mentioning any names, i wondered if this was a one off or a common thing. pretty sure it isnt wear as ring gap has not changed 
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jason frost
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New one, what barrell was it fitted in ?
yes it was new , barrel was a sil 200 bored out to 225 on mine . dont know about the others.
have you heard of this as well?
have you heard of this as well?
Last edited by mark on Wed Jan 11, 2012 10:50 pm, edited 1 time in total.
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jason frost
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eden wrote:liking the new avatar Jase
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jason frost
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No. I take it. it was checked by you before fitting. How was this done?mark wrote:yes it was new , barrel was a sil 200 bored out to 225 on mine . dont know about the others.
have you heard of this as well?
it was checked by the reborers at rebore time then i believe by the man who tuned it then by my very experienced engine builder at first build then after a few problems we couldnt understand was checked again in front of me .