thanks for the reply tony yes I used the old rail, the leak off pipes are about 18 inches long to the bottles and cyl 1 and 3 are about 4 inches up on cranking, were as cyl 2 is about 8 inches and cyl 4 about 12 inches I hope that sort of explains it, i cant find out what the rail pressure should be on cranking ,and also if they need programming as nothing on my solus or kts thanks paul