Originally Posted by vtecb20coupe
may i ask why you were running 87 octane anyways? changing that alone probably made the motor run a little better. also, the "tone" of the exhaust is only relevent from the muffler. if something is wrong with the motor itself, the motor will let you know. trust me.
why would u put premium or mid grade on im guessing from his sig here.. a auto EX? he was fine with 87....