SG-Motorsport / Speedstar 350z – 372whp

SG-Motorsport / Speedstar 350z – 372whp

This is proof that NA tuning CAN make power. The dashed line shows the 350z as I recieved it as a Grand-Am GS racecar with Motec, headers, exhaust, intake – the whole bit. Over the years we have changed the cams, ported the heads, changed the headers, fabricated...