Part 12: 13B Rotary Engine Rebuild - My 76 Mazda RX-5 Cosmo Restoration
Just as I promised last episode, it is finally time to build the engine!
Part 12 of my RX-5 Cosmo restoration covers the entire process of building
the 6 port 13B Mazda rotary engine. While this engine is a hybrid of GSL-SE
RX-7 and Cosmo parts, the process is the same for any rotary from a 12A to
a 13B NA, 13B turbo, 13B-REW or any
other variant of the 13B. This video shows the whole process of the engine
build, starting from measuring the rotors and covering everything else
including clearancing the side seals, assembling the rotors, complete
assembly the short block, setting the eccentric shaft end play and
installing the front cover and everything underneath it. It's probably the
most complete engine build video outside of what you can buy from the
vendors, and as such, is an hour long. After this one, I'm going back to
videos under 20 minutes. But for now, grab a beverage of your choice, sit
back, and enjoy.
25 Years of Miata - Jay Leno's Garage
25 Years of Miata. Bob Hall and Tom Matano tell Jay about the creation and
evolution of Mazda's iconic sports car in celebration of its 25th year in
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25 Years of Miata - Jay Leno's Garage
Jay Leno's Garage
SCREAMING 20B rotary engine dyno ~ JPC
Centreline Suspension's 20B PP rotary engine from their Mazda RX-7 Sports
Sedan circuit racer on the Dyno at JPC.
2014 Mazda MX-5 Miata DETAILED Review on Everyman Driver
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2013 Mazda MX-5 Club: A Car to be Toyed With! - Ignition Episode 55
On this episode of Ignition, Carlos Lago takes a look at the attributes
that have made the Mazda MX-5 such a successful roadster for the past 24
years. With its old-school charm and simplistic yet lively characteristics,
the MX-5 turns a SoCal canyon road into a driver's playground.
Ignition appears every Monday on the Motor Trend youtube channel.
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Is the Mazda MX-5 Any Good? - /CHRIS HARRIS ON CARS
Chris Harris has been known to not like the Mazda MX-5, even calling it
dirty words in an article a few years back. Now he gets to support his
point by swapping his Ferrari 599 with Cameraman and Editor Neil Carey's NA
Mazda MX-5. Was Chris wrong a few years ago?
Suzuki Rotary RE-5 Part 1 of 2
Suzuki presented its first, and only, rotary engine powered motorcycle at
the Tokyo Show in late 1973. The RE5, as the model was called, was Suzuki's
technical flagship at the time and a fine motorcycle. The engine,
originated from NSU in Germany, was smooth, quiet, powerful and had hardly
any vibrations, thanks to its construction with no parts moving
back-and-forth like the usual Otto engine.
The rotary, or Wankel, engine has a number of benefits over standard
engines including a lack of camshafts, intake and Exhaust valves, and a reduced number of moving
parts. Many manufacturers experimented with the engine type and some
prototypes were presented in the early 70's but Suzuki was the only
motorcycle manufacturer that used the rotary engine on a mass produced
Suzuki presented the engine sometimes as 1000cc, because some regulatory
bodies de-rate the engine by doubling the chamber capacity. The actual
cylinder capacity was 497 cc.
The design of the RE5 was not as revolutionary as its engine. The
instrument panel and tail light were contained in cylindrical shapes to
play on the rotary theme, otherwise the bike looked a lot like the
company's two-stroke flagship GT750. Also included was a special heat
shield since the rotary engine design tended to make Exhaust pipes hot enough to burn riders' legs.
What happened? The customers did find the RE5 interesting, but not many but
not many of them actually bought the model. Perhaps it was the new
technology that scared off the customs, perhaps it was the heavy fuel
consumption that made it. However, Suzuki had invested enormous sums of
money to the project and had built an entire new assembly line for the
rotary engines but the machines wouldn't sell.
The cylindrical instrument panel and tail light were replaced by standard
type items in 1976, in order to make the bike look more "normal" but it
didn't help much. The model, and the whole rotary engine project, was
buried in 1977.
What its like owning a 3 Rotor 20B RX-7
I have one of the most amazing custom RX-7s in the world. I want to share
my experience of owning and driving such a unique car.
I explain where the engine came from, why its so special, and what it does
to a Mazda RX-7