probably 30hp difference i know a guy standard smallport 83rwkws 2 months later trust extractors exhaust bigger throttle body and higer comp. 117rwkws.
getting bottled by the friendly Oamaru locals for not doing skids - Coupe Life
it is an oldish dyno, but dynos arent really for giving accurate power readouts. More as a tuning tool.
power figures are pretty much just for bragging rights.
86 MacAndrew Rd. Coming from town through South Dunedin, when you get to the lights at United Video you turn right and it is near on the first driveway on your right.