I own an 86/88 NA, the previous owner bought a wrecked car...swapped a lot of parts...so im not sure what on the car is 88 and 86, but the tittle is 86 and the engine/trans is an 88 im sure of that, anyway sure the stock motor is great..it has a really nice powerband, and it runs good all the time. The thing that impressed me the most about it is the internals, and how well made these motors are. most of the parts in these motors would be a huge upgrade on some other motors, like american v8s for instance. But the thing that sukcs about that is, the motor is already at a pretty high hp/liter, which makes it kinda hard to modify any further. thats why the turbos are so poular. But sure, do a header, exhasut, intake, and try to work out a bigger mass air flow sensor off a lexus car like j3pz said. Should be able to get it up to about 230-240hp. the popular/good way to make a lot of power out of an NA motor is insane compression and race gas, and big cams. but that defeats your economical idea. goodluck with the car!
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