Originally Posted by
Zxc4
I/h/e actually is a waste of money for the miata. (ask me how I know) For the same price you can build a turbo kit and be much happier. Or you can put an LS1 in it like I am doing. (wanna buy my I/h/e???)

wouldn't a turbo kit still be the cost of an I/H/E since you pretty much have to replace those peices in order to turbo the car properly?
And then factor in the cost of the turbo, plus the cost of the ECU to control it all, plus the cost of bigger injectors, plus the cost of the intercooler... etc