fuel

iTrader: (13)

my motor is a lt1, 383 ported heads, efi vic 90mm throttle body,elbow and is only making 390 at the wheels through a th400 9" and slicks....ive been having problems with fuel pressure dropping on the dyno, on motor and nitrous. i made gss340 twin pumps and that didnt work. so now im running #8 line from the y at the pump to the frount to feed the fuel rails.....i have a A1000 fpr with 6an fittings. can i reduce the 8 into a 6 then into the fpr.. or do i need the 10an fpr i need good advice... this will be the 4th time at the dyno with a tuner........ and is that a good place for my nitrous fuel line be for the fpr.... tell me what works