Recent content by montff77

14ft 50's or 60's sea nymph slum. Vhull. You say really close but books say same??? Main jets the same says my books??

Not exactly. I've ordered a new old stock head off of ebay bc my old one had a threaded insert that was leaking. I am going to replace head with a stock, tune engine and rebuild fuel pump then log data. I'll plug weld the old head and tap new threads, then have it shaved, log data. Currently in...

Not exactly. I've ordered a new old stock head off of ebay bc my old one had a threaded insert that was leaking. I am going to replace head with a stock, tune engine and rebuild fuel pump then log data. I'll plug weld the old head and tap new threads, then have it shaved, log data. Currently in...

This is a pic of behind my bypass cover. I can see four drilled ports feeding the combustion chamber and a rectangular port coming from the crankcase.

I thank you happy for a quick response. The head in mine has a leaking thread-sert so when I find a head it'll get the trim. I'll be looking for some bigger reed stops and may have to wait until I go in here b4 what your are telling me sinks in about squaring ports and blending the transfer...

This is @ pappy. Hi, I'm new here and this is my first entry. I'm interested in further details on squaring the ports and blending the transfer area on an 64 Johnson 18hp. I can handle shaving the head .060 and as far as extending the reed stops, it seems that this was the only difference...