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Old 02-22-2016, 09:13 AM   #5
G.M.
Senior Member
 
Join Date: May 2010
Location: Florida and Penna.
Posts: 4,471
Default Re: '36 phaeton doesn't run smoothly

Check and see if you have a nice sharp blue spark from ALL plug wires
to a head nut, not to the spark plug. If you have good spark it could be a
plug I have seen lots of them that don't fire with compression on them.
You could also have a few sticking valves. I use Marvel Mystery Oil in the gas
and drizzle some down the carb while the engine is running. I have to put
some in every tank of fuel. after a tank without it they start sticking again.
G.M.
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