Originally Posted by
norachelhere
it doesn't hp the way you think it is. it add effective HP. so as far as your tuning goes, no, it wouldn't effect it at all. your suspension tuning would, but not things like your ECU. you can weigh 5,000 pound, hop on the dyno and get 300 hp. go on a diet and weigh 1,000 pounds, hop on the dyno and still make 300 hp.
when you're thinking about weight reduction and what not you have to think in terms of "effective hp". which simply put is your hp to weight ratio. that ratio dictates how fast a car is. thats why civics with 350 hp can stomp on corvettes with 500 hp.
WWHHAAT?
damn speed cat how much weight do you wanna take out? well I don't think you can take out enough to effect your tune.
load amount effects turbo spool up. the more load the harder the turbo works. less rotating weight /rotating mass gives faster spool up.