when im driving and gas it...like half to full throtle, my truck kinda goes blluuuuuhhhhhhhhh.kinda like its missing but not...cant ell if it is starving for fuel or getting to much fuel or float prob--....bored it out .30 over got a comp cam in it and just insatlled header and exaust.....tried messing with the timing but not much diffeence....do i need to rebuild the carb? or do i just have to deal with the under power of the 22r?