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Message: <blockquote data-quote="Magic" data-source="post: 217039" data-attributes="member: 9430">I have yet to see this being mentioned... FUEL SYSTEM!!!!Sure the rotating assembly and block is good for X amounts of HP....but wont be if there isnt the proper fuel supply....I dont care if any of you say stock fuel lines and rails are Ok. Maybe on the dyno, but put it on the street, and let it hang for longer than 10 seconds than your average dyno pull and you will cook shit faster then a set of Uncle Bens in the microwave....trust me Ive seen lots of this in my years....judging by the original thread starters signature, you're set up there along with a blower is a good combo to make 450+rwhp...use at least 42lb injectors, and matching mass air flow sensor....have a look into the Professional Products fuel rails (they are cheaply priced and do the job), use an external regulator like the Aeromotive one thats 1:1 boost sensitive (it will add 1 pound of fuel per pound of boost it "sees"), larger fuel line from tank to the rails (-6an), and a minimum of a 255lph intank fuel pump (ie. Holley part number 12-915, its the higher pressure version than the regular 255lph)....on the Igntion front, use an MSD 6BTM...I think almost every entry level Vortech SC-Trim and S-trim kits come with a BTM box....Ive told this to many customers I dealt with over the years that considered a supercharger for their cars, esp ones that already had a stout heads/cam/intake package on their motors.....I know its extra money to spend...maybe close to $1000 +/- ,for every fuel system component listed above including the various AN fittings....but its cheap insurance compared to a rebuild that will cost you twice that if not more...........</blockquote>