Factory Mazda parts quality and their limits, knock/detonation in a rotary engine, lightened rotors, stud kits, clearancing plus ethanol fuel advantages are just a few of the topics discussed with Rob Dahm adding more and more specific details the deeper the discussion gets.
Rotary engine building traditionally has had 2 extremes, those building them poorly and blaming engine, and those building them well via experience they don't wish to share sometimes for understandable commercial reasons.
Rob Dahm considers himself an entertainer, but through that role, he has helped share his journey into the world of rotary engine tuning and building with no filter on his successes or failures and insight into the work trailblazers like PAC Performance and similar have accomplished so far.
At SEMA we had a chance to pick his brain about this journey, what he has learnt and now what advice he can give others keen to dive into this world too.
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TIME STAMPS:
0:00 - Rotary Reputation
0:21 - Rob's 'Rotar Daddy Status
1:33 - Sharing Is Caring
2:01 - Rotary Engine Tuning Mistakes
3:19 - Fuelling And Ignition
4:05 - Rotary Engines & Knock
5:42 - AFR/Fuelling
7:38 - Rotary Engine Building
9:30 - Key Rotary Engine Upgrades/Modifications
11:35 - Ethanol Advantages
11:48 - Dowelling and Stud Kits
13:00 - Rotor Clearance For Higher RPM
13:47 - High RPM & Blow-by
14:35 - Apex Seals
16:24 - Thanks Rob
16:46 - Want To Tune Your Own Rotary Engine?
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