For an experiment, why not try jamming the heat riser in the heat position? I can't remember what the passage way looked like for the exhaust but mabe it is possible for it ti be restricted by carbon.


1951 GMC 1 Ton Flatbed -- It is finally on the road and what a great time I have driving it!
1951 1 Ton Completed


My Chevy Master 4 Door is on the Road!