helo for my bb mopar
help wanted, complete new engine, cant seem to get a hesatation at the starting line, reves good and after stalling at the line it blows up and takes off, of course its to late,, and sugestions for this problem, have had the carb{ 850 speed demon} professionaly tuned, timing ok, what next, this engine is in a 3/4 ton, 4X4 dirt drag truck, 356 gears running in low range. starts good has super power after the stall is gone,,,please help!!!!