I believe Brian (Bamsho) is on the stock pump IIRC and looking to upgrade to the Big Boy (Severe pump) .ZLivernois Motorsports said:So you are on the stock pump and want the HPFP or you have the HPFP and want the severe pump?bamsho said:Im running meth now, then V10 meth tune. Thinkung of getting the bigger HPFP. Need your honest input.