Bonneville: The Great American Playground - The Downshift Episode 13
On this episode of The Downshift, we meet the original speed freaks! The
Bonneville Salt flats in Utah are the veritable Valhalla of land speed
racing. The world's fastest wheels have been competing here since the early
1900s, from Sir Malcolm Campbell's Blue Bird to today's fastest jet-powered
streamliners. What started as just a sport has evolved into a vibrant
culture anchored in history and a shared love for living life at the
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Mazda Rx7 4-rotor race car. The making of a Defined Autoworks Beast. [Offical Video]
Never before seen footage showing the assembly/start-up of our custom
4-rotor. It is the first 4-rotor since the 787b to use triple spark plugs
per rotor. It is also the first since the 787 to feature telescoping intake
manifold. Custom made slide throttle body system. A world first however is
the use of a center main bearing and 4-piece eccentric shaft. Quick specs-
9.7:1 rotors, lightened and race clearanced. Race main bearings, and race
rotor bearings, ceramic NRS 2mm apex seals. Custom stationary gears, Full
custom Peripheral Port in each rotor housing (defined auto), Aluminum side
housings for reduced weight. Needle roller bearing in the center housing.
4- Piece eccentric shaft 0:47
Dynamic engine balancing 1:23
Variable length intake 2:20
Engine assembly 2:32
Rotor rotation 3:49
Slide throttle 4:00
4-rotor startup and idle 4:30
All footage and editing was done by Defined Autoworks. Music by Ivan
Contact us at 614-592-7991 we build any type of rotary powerplant to the
See the build thread here-
Bonneville Salt Flats ACK Attack Streamliner Crash
This is the ACK Attack Streamliner. The crash occured during the 2004 BUB
Speed Trials on the Bonneville Salt Flats. This was the first time the
motorcycle streamliner had been driven at high speed. It crashed in the
middle of the timing blocks at a little over 300 mph!!
My 1980 series 1 rx7 stock 12a with new full racing beat street port exhaust!
I got my new Exhaust on! Sounds
quiet... But it's ok runs great! She really opened up at about 4500 rpm.
Thank you racing beat again! If you call them talk to mike he is the man!
It's been 7 years comein! If you like this please thumbs up it! Thanks to
jdoublenaz I have a low like value cause someone forgot to change his
tampon and got his Honda pants got messy!
Widebody RX7 720p
Great looking Mazda RX-7 with a widebody kit. The car is running E85 and
13B engine at the time of this recording. The car has an 4-rotor engine
7 Sins RX7
Australias No1 Rx7. Ignition Video lastest and favourite car. Go out and
buy the December 2007 HPI magazine to see the DVD. great car Andy..
26 PSI RX-7 GT35R Single Turbo
Ever wonder what happens if you hit fuel cut at 26 PSI on a turbo RX-7? Watch me do it on accident while
For those wondering, I had the ECU set to 20 PSI expectation and wastegate
to 26 PSI. ECU will go 3.5 PSI over its limits before it cuts the fuel.
Small logical error can make a huge difference.
I got lucky. I attribute a large part of that to the pre turbo water injection keeping my knock low and
combustion temps low while tuning.
Bonneville Speed Week 2010: THE RUN, Feat. the Spectre Performance SpeedLiner
Music Courtesy of Warner Bros. Inception Soundtrack-Time. This video
follows a single run of the Spectre Performance SpeedLiner, where we broke
the A/BGS record and became the fastest A class blown gasoline streamliner
on earth and the fastest Cadillac in history. The next mission is to break
400mph and become the fastest gasoline powered, wheel driven car in
BONNEVILLE ROCKET BIKE
RICHARD BROWN WROTE: "The video shows run 5 on the salt flats, this was the
first run we made averaging over 300MPH, with a peak of 335MPH. Initially
you will see the the bike being towed for a short distance followed by a
release signal and the tow truck swerving off line, the bike is then
coasting at about 40MPH during which time I retract the skids and await the
"In zone" signal that tells me I have reached the optimum position relative
to the timming traps to ignite the rocket motor, take a look at the speed
the mountains in the background are passing by!