crhubling@xxxxxxxxxxxx wrote: > > Can anyone suggest a proper spark plug for a 65 273? I've added a 4 > barrel > and electronic ignitiion to it but other than that it's stock. The 2 > and 4 > seems to have different plugs according to different books. > > Cameron > 65 Valiant Signet > > Were the factory 4bbl. engines higher compression and therefore needing a colder plug? If so just switching from 2 bbl to 4 bbl you might not want to use the recommended plug for the factory 4 bbl engine. Paul L. '63 Sport Fury 440/727 http://www.1962to1965mopar.ornocar.org/ml-lennemann63.html ---- 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.