I had done that to mine but went back to the .035". I was having lot's of ignition issues and that may have been OK but I was advised it'd be better at .035". I guess less likely for missfire. Mine is 318poly & Mopar electronic. Rich Kinsley '64 Dodge Polara 4dr 318poly w/goodies ===================================================================== Bill Maurits wrote: > > I currently have a Pertronix electronic ignition conversion and one of > their HO coils on my 318 Poly. Any thoughts on whether I could or > should bump up the plug gap from .035" to .040"? > > Bill M > 65 Coronet 500 'vert Rich Kinsley '64 Dodge Polara 4dr 318poly w/goodies ---- Please address private mail -- mail of interest to only one person -- directly to that person. I.e., send parts/car transactions and negotiations as well as other personal messages only to the intended recipient, not to the Clubhouse public address. This practice will protect your privacy, reduce the total volume of mail and fine tune the content signal to Mopar topic. Thanks! '62 to '65 Mopar Clubhouse Discussion Guidelines: http://www.1962to1965mopar.ornocar.org/mletiq.html.