a few have tried. One elantra, can't remember the guys name, ran 14s N/a with decent whp. Head and ECM make it a PITA to get power out of a hyundai motor. The ECM is an easier fix that a redesigned head. They do seem to like boost
if your into big hp and lots of speeding fines and other traffic infringements then yes (ha ha ha ha). Nah to be honest its up to you man, its not really my thing because i like having fun with the N/A stuff and there's nothing better than blowin off a turo'd whatever in a N/A excel coz you know they wont go home tellin thier mates about it. As per fuel question; anything on or after 1995 you'll find that most cars have engines designed to take 98 octane rated fuel.
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