Recently bought a 98 bayliner with a 4.3 2bbl carb 190hp. Runs well all the time, planes out quick and rpms are 4800. On occassion it will get crazy. Planes out in half the time, bounces the rev limiter at 5100 at 7/8 throttle and gains 5-6 mph. It will do this for only as long as the...
