engine breaking up at low end

thats a whole nother prob. I did it witha vacuum gauge as I could never get the line on the balancer to show. spun the dist. 180 degreees and the car wouldnt start.

well you got to find tdc with a stop or long skinny screw driver though the spark plug hole and look for a line on the balancer to be in line with the timing cover 0*
mark the balancer line with a white paint pen or white out if you have to.