Car appreciation... the aesthetics, the engineering, etc

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mashton in reply to @NurseHolliday

Yeah, Mark the MG mechanic said he's never seen a hole like that in the too if a piston in 25 years.

It can't all have been down to my driving, can it?

Apparently it was running lean which caused a hot combustion spot in the cylinder. It won't be clear til it's rebuilt what the root cause is.

I am also quite out of my depth of understanding of all this and am being guided by the paternal hand of @BRM.

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NurseHolliday in reply to @mashton

Total absolute bugger. Does sound like something else failed resulting in the piston failure, perhaps a fuel supply related issue and all 4 were running lean but that was the one that failed?

Gutted for you and big red! That car has almost suffered as many setbacks as me and my MX5s!

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BRM in reply to @NurseHolliday

It's a fucker alright. No. 1 suspect is a leak in the remote servo which takes vacuum off the manifold near pot 4.

It is a shame it has happened to such a sweet engine, at such an awkward time.

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