hello all..1975 rebuilt,135.at idle .. there was a single flame in pulse line,when she cut out, it was dark out to see the flame..i got my 20 degrees at w.o.t . trailer in water in gear of course. but i dont get anything near the 5 degrees at idle the book says im supposed to get,and my timing screw is all the way in.i can see engines on e-bay to compare the screw, and i am the only one that has the timer screw all the way in .everyone else is like half way in.. ,cdi brand timer base,,thanks any ideas?