was wanting some help on picking out new injectors on my 2006 4x4 6 speed so I was considering f1 diesels flux 1.8 or the f1 apex 2 injections the 1.8 is 85hp and the apex 2 is 100hp my truck has arp studs push rods valve spring bag of parts on cp3 5 inch turbo back exhaust and also CAI and a aurora a3k turbo I do tow a 28ft gooseneck with two keeps on it occasionally and my camper which is 6500-7000lbs thanks in advance I appreciate the help oh and also I have a smarty so6 tuner