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It's close to running David. Got to be either timing, piston/valve seal or or not enough heat. There isn't much else it can be unless you feel some binding somewhere.Bill
How does the new wick compare to the old one ? Could it be worth trying it after your modifications but still using the old wick ?
How good is the bore? Have you tried with the original eccentric.It looks as though the valve could be a bit tricky to get to seal.Ian S C
if anybody can get it to run its you mate
That is definitely getting closer David, too close to give up now.Bill
Very close in deed, David!Have you tried to play with the "timing" of the engine? One of my vacuum engines needed quite a bit "advance" meaning the valve needed to close before BDC. Don't give up...
I was wondering if the valve spring might be a bit too strong, it's a bit of a balancing act to get it just right.Ian S C
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