I believe Don D. uses Autolite 2974 is his Big Blocks. Gary H. -----Original Message----- > >Hi All, > >Im sure this has been covered before but.............. > >Running a 426 MW, 11:1 compression. >Running Champion plugs (RJ12s). >The car sees street driving and the occasional street bracket nights. >Any other plugs recommended? >Im thinking its time for replacement and wondering of others >experiences. > >Any preferences out there? >and/ or should i be running a hotter or colder plug? > > >thanks in advance. > > >Derrick Brown >'63 Sport Fury, 4 speed >derrickb@xxxxxxx > > > ---- 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.