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Message: <blockquote data-quote="Michael Plummer" data-source="post: 1337335" data-attributes="member: 9170">Q) I can't help but wonder what numbers it could be capable of doing.  I would love to get some ideas from the experts here as to what I could put down.A) Honestly, it makes what it makes. The issue I have when asking is when someone says it should make 425rwhp and it only makes 400rwhp now what. Now you think something is wrong and you start on this crusade to find the missing HP when there is none. Q) Anderson power pipe A) Feeding the supercharger the most air possible without turbulence is key.  Q) 90 mm maf A) You may need a bigger meter, I'll discuss more later. Q) feeding into a a vortech V2 si trim supercharger.  A) Great street blower  Q) 75mm tb A) Not needed but you already have it.  Q) a polished/ported/ceramic coated cobra upper & lower intake separated by a 1/2" phenolic spacer A) Polished makes it look pretty. Ported equates to more flow but not really need on the upper in a forced application for this setup. The 1/2" spacer is useless and does nothing.Q) the trickflow 170cc heads and a TF stage 1 cam. A) TFS products make HP and the stage 1 is a decent street cam with good drivability manners.  Q) new JBA ceramic coated shorty headers, magnaflow high-flow catted x pipe finally to the dynamax side exhaust mufflers. A) Exhaust systems designed together (headers, mid-pipe, and flow tubes) tend to work better and make the best HP under the curve and in a lot of cases the most peak HP. You never mentioned exhaust sizing, side exhaust not as efficient due to tubing size restrictions unless you found a way around that. Mufflers at this level is basically personal taste. Q) 42 lb injectors A) At 425HP (flywheel), 42lb injectors at 80-85% duty cycle is basically all done. And your fuel pump (255lph) is way to small if you're thinking of making over 400rwhp. Q) a snow meth system helps to cool itA) Thank you again and you're correct, it will cool your air charge and combustion chambers temperatures. Q) I can't forget the electric water pump, aluminum drive shaftA) Nice but not really needed. But they do a great good cooling at idle and in stop and go traffic. Aluminum driveshaft ok. Q) Of course this is on a stock bottom end 302.  A) On this setup, you'll be fine. Q) your best estimate A) I can't guess because I feel your run will be aborted due to fuel pump, injectors or MAF being to small. Have you decided on crank and supercharger pulley sizes?</blockquote>