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if you put the type r head on your b20 and up the cr to 11.5 like the type r then you will put out more hp. but if you do a crvtec then it would be better to get a aftermarket ecu so you can add the amount of fuel required because stock ecus dont have the mapping for a motor like that, plus with the aftermarket ecu you will get more hp out of it because no stock ecu is get the best power out of it
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