4 Rotor AWD FD RX7 | Rob Dahms 1000HP+ Quad Rotor Build [TECH TALK]

An AWD RX7 is exciting in itself, but a Quad-Rotor build too built was too much for Andre to not take a look during his latest SEMA trip.

If you haven’t heard of Rob Dahm and his Mazda FD RX7 build, you have now. This has been 5 years in the making so far with lots of ups and downs as well as plan changes along the way, but at SEMA Rob presented a running car so we’re excited to so hopefully see it out and about in 2020.
Brotherly rivalry led Rob to consider an AWD/4WD build and with support and encouragement from Ian Steward of ASD Motorsports which built Ken Blocks Gymkhana 7 ‘Hoonicorn’ AWD Mustang. A lot of the details of the Hoonicorn build were shared with Rob, but in the end, it wasn’t compatible with this application particularly when it came to fitting a passenger seat.

Due to concerns with cast components, Rob sourced a billet 4 rotor from Carl Thompson which was the spare for a build of his we have featured previously. It has some unique features which we’re excited to learn more about as time goes on and A-B testing is planned in relation to tuning and exhaust components in the near future too.

The car runs an R32 GTR transfer box off the back of a Holinger RD6, Winters Quick Change rear differential, Adaptronic M6000 ECU, Garrett 106mm turbo, Clearview oil filtration system along with Ti Automotive a dual brushless pump setup.

Also discussed are the reasons for the tube frame in relation to requirement, or just preference, cast vs billet 4 rotor setups and what the plan is from here.

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