Stupid I am not, you look again at the busted exhaust.No it hasn’t, are you looking at the intake ports?
My eyesight isn't what it was but there looks like an insert on the exhaust port with the broken valve so I have to agree with the above . I don't know what caused the dropped valve but it may have been an overheating cylinder ?( common on VW aircooled engines on no 3 cylinder which runs hotter than the other cylinders) often due to tight valve clearances, Incorrect ignition timing and mixture also have an effect on cylinder temperatures as could a restricted exhaustStupid I am not, you look again at the busted exhaust.
Looks encouraging on the engine front. Maybe put the pistons in a bucket of something penetrating while you think about it. I've heard people mention a mixture of MEK and ATF being very good.
Good work! Stick them in some diesel for a week.
I found some paint stripper last week. It smells just like the old Nitromors that worked well, i.e. contains dichloromethane.
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any updates on the build?
Doesn’t look too bad from the pictures.
like the motivation shot, where is that ?
Good and bad news on the boaty front..its summer where you are now i see.
any updates there mate?