800+hp street RX-3 hub dyno | Promaz

In Dyno, Video by fullboost

Promaz Automotive has just taken delivery of a brand new state of the art Dynotech hub dyno and what better way to test it out with an 8-second street driven rotary. Hub dyno’s are effectively safer to work around and are also more accurate than a conventional roller dyno.

1972 Mazda RX-3 street car
Promaz 13B Bridge port rotary engine
Garrett GTX42R turbocharger
MicroTech LT16c EFI, E85 fuel
Full street exhaust system
Samsonas 6-speed sequential gearbox
Promaz CNC billet bellhousing
Leaf springs & Caltracs
Best ET: 8.84 @ 158mph