Originally Posted by kevin rundell
i bought a modulation resistor that tells the engine that the air flow is colder than realy is and am getting about 5-20 bhp more(not done rolling road yet) and also some things called vortex airflows! these cause air to ciculate better and gives better combustion!
Put that in the bin would be the first step IMO. Why on earth would you want to trick your ECU into thinking its cold when it isn't? Those Ebay resisitors are shit.
I don't want to sound funny, but 300bhp from that engine without a turbo is not going to happen. Especially not for the budget you have.
Throttle bodies would be a start, but the bodies alone will suck most of your money.