no1chevyboy
New member
i have a 1996 600 vmax xt with 1500 miles, it has twin gyt pipes, main jet 155 pilot jet stock,needle set at 2.5, stock weights, ppp spring in prim,47 helix with3/3 setting on green spring in sec, pulls 8250 wot 90.8 mph gps. problem is hole shoot stinks jump,flat,pull right to7900/8000 then slowly to8200/8300 if you give throttle slow get to 5000to5900 totaly flat, almost half throttle to half throttle then the rocket takes off and pulls great can anyone help me out