Advance adjustment(s)

All in by 1800 is WAY too early. Typically, depending on many factors, all of which you left out, the "all in" RPM is around 2500-3500, depending on all the factors you left out. Give all details regarding your build. Engine specs, manual or auto, what stall speed converter if auto, gear ratio, vehicle weight. You know. All those important factors you left out?

Until then, ALL advice you've been given is useless as tits on a boar hog.