Rotary Miata 12a peripheral port Loud and Fast

1991 miata mx5 with a 12a PP rx7 engine conversion with cat delete going to a cherry bomb and dual borlas, Engine has super seal, racing water jacket seals, hardened stationary gears, baffle pan, racing springs.

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Rotary Miata 13b Turbo II
Just a short video of my rotary miata it has gone from 12a carbbed to 13b NA and now finally 13b TII. Engine mods are RA classics apex seals, atkins solid corner seals, fd corner seals springs, hardened stationary gears, racing oil regulator, t04 hybrid, V-mount ,ect





Peripheral Port RX-7 battles Corvette
THIS RACE WAS A BATTLE BETWEEN JEFF DERNEHL AND BOB MAYER.BOB IN HIS STO C5R 600HP CORVETTE.JEFF IN HIS GT-3 RX-7 IN GT-2 TRIM 13B P-PORT MAZDA.JEFF WAS ON POLE WITH A 1:28.139 UNDER THE TRACK RECORD!BOB AND JEFF DROVE A GREAT RACE !!





Turbo Peripheral Port Start-up and Idle
To the Youtube 'tards: This was a quick first start up video before everything was assembled. The intake plenum, tubing, and coolant lines were installed after the bugs were worked out.





1974 Mazda RX-3 /Walter Mitty
This was a practice session at Road Atlanta 2013 / Walter Mitty/HSR. I'am driving Gordon Zadie"s 1974 RX-3 Tube chassis GT-3 road race car. 12a bridge port with 40 mm chokes in the carb. Car weight 2030 with driver.




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