1) LE5
2)HP Tuners makes a very nice tuning suite for the 2.4 cobalt. Stay away from "chips" as they do nothing but trick your car into thinking it's getting more air into the engine when it's not. This can lead to disastrous results.
3)probably not from a bang for your buck standpoint if you are just talking intake and exhaust. Chances are you'd spend more tuning then you would for the actual mods although you certainly would see some extra gains.
4)It all comes down to the tuner. A good tuner can tune the engine just fine for turbo, and poor tuner will not. There are several turbo and supercharged 2.4s on the streets.
IMADreamer added 0 Minutes and 34 Seconds later...
Quote:
Originally Posted by tyrone13
thats not the engine code i cant remember the 2.4 but the 2.2 is L61 and the 2.0 sc is LSJ
the 2.4 is L something
tyrone13 added 0 Minutes and 56 Seconds later...
Just thought of it...its actually LE5 i think not positive tho
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You are correct, I will edit my answer.