my 18R-G is acting like is has a rev limiter, it stops revving at about 5600rpm, as well as being sluggish in low revvs, i'm guessing it's the distributor, which is a twin point malory with no vacuum advance. i know it's not fuel and not restrictive air filters. anybody got any advice?
i was gonna machine a new dizzy housing with vacuum advance to better the ignition timing control.