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Rotary Engine issues delays new RX7 and RX8

September 23, 2010 · Print This Article

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Problems with the development of Mazda’s next generation of rotary engines are delaying the launch of the new RX-7 sports car, according to sources close to the company.

The fourth-generation RX-7 was originally scheduled to be unveiled at last year’s Tokyo show and go on sale this year, but issues facing the new 16X engine forced the company to scrap that schedule. The car’s release date is now unknown.

Engineers are trying to solve the heavy oil and fuel consumption issues of the current rotary, and its lack of mid-range torque. Adding direct injection will make the unit more efficient, but extra components mean the new engine weighs more than the current 13B motor. This goes against Mazda’s strategy of cutting 100kg from all of its cars in the next five years.

The engineers have also been having problems getting the engine to reach their target for maximum revs; the current rotary revs to 9000rpm.

Development has also been hit by the economic downturn. Mazda is battling with a drop in global sales of nearly 19 per cent, and MX-5 sales are down by 26 per cent. Sales of the RX-8, the only production car with a rotary engine, are also down and workers in Japan have been laid off.

Mazda is keen to retain the rotary engine for a new generation of cars. The engine is a source of pride within the firm, and has been used in 18 models since it was launched in the Cosmo Sports in 1967.

Article from : http://www.rotorhead.ca/articles/2010/01/07/engine-woes-delay-new-rx-7/


3 Responses to “Rotary Engine issues delays new RX7 and RX8”

  1. Adrian on October 3rd, 2010 2:13 am

    I have visited the Mazda dealer several times this month. I find that they are abusive in their parts and pricing for the RX 8! Sample NGK plugs at the dealer go for $44.00 each while Auto Zone you get the same exact NGK for $19.99? A visor $180.00 while the same visor on the net goes for $54.00? This only shows that the company is not committed to it’s customer. There should be a law against

  2. marco on October 24th, 2010 4:52 am

    with the way the rx8 came out with high promises of carring the weight of the rx7 fc3s and the fd3s , not an ounce came from those cars, the rx8 was not a agressive car at all its only agressiveness is its oil and fuel consumption. im a rotary fan and i pray that mazda can ware its racing shoes and get to work on the new rx7 plz plz plz

  3. chris swilley autozone manager on June 11th, 2011 4:03 am

    All of the rotary heads like me need a new real rx7!!!! Too many mustangs, camaros, etc. WE need to be seen and heard blowing them away in a new RX7 1.6 liter turbo or super charged rotary to show everybody small liter vs larger liter is absolutely controlled by the NEW ROTARY GENERATION!!! Myself and many other I know are and have been waiting to buy a new car only because a true power rotary sport car no longer existed! PLEEEEEEASE, Mazda Corp. let me buy a new 2 seater true sport car that can not thow a rod because it has none!!! THANK YOU FROM ALL ROTOR HEADS AND HEARTS!

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