After our blog post on common oil leaks for the rotary engine, we want to share how we go about getting things right. The dreaded oil cooler / oil rear main seal leak. These two can really make a ...
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REspeed Blog
This is where we share our knowledge / experience and to let you see the work we do.
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MazdaDoug
Avid SCCA race car driver, engine builder, Mazda enthusiast.
Recent Posts
After our blog post on common oil leaks for the rotary engine, we want to share how we go about getting things right. The dreaded oil cooler / oil rear main seal leak. These two can really make a ...
![Picture of MazdaDoug](https://www.respeedshop.com/hubfs/respeed%20rotor%20logo-2.png)
The Rx7 turbo is a unique vehicle, in its stock form the cooling systems are pretty good. Add in our high altitude and hot temperatures and you have a recipe for some higher than desired water / oil ...
![Picture of MazdaDoug](https://www.respeedshop.com/hubfs/respeed%20rotor%20logo-2.png)
Oil leaks Mazda Rotary Engine | Increase Performance When you put multiple types of materials together and push oil through them, eventually it will start to leak. The Mazda rotary engine is a ...
![Picture of MazdaDoug](https://www.respeedshop.com/hubfs/respeed%20rotor%20logo-2.png)
From time to time we get people that want us to help resurrect their project Rx. Some cars are worth the effort, others will become a parts car. What makes a car worth saving?
![Picture of MazdaDoug](https://www.respeedshop.com/hubfs/respeed%20rotor%20logo-2.png)
Cleaning and Prepping the rotors | The most important action when rebuilding the rotary engine. Results matter. These Doritos do a lot of work. The time to get them inspected, cleaned and prepped is ...
![Picture of MazdaDoug](https://www.respeedshop.com/hubfs/respeed%20rotor%20logo-2.png)
With the rotary engine, there are a few things that can make or break a rebuild. Using new seals and springs is a must. Checking every set of parts with a digital vernier caliper (down to .0001) ...
![Picture of MazdaDoug](https://www.respeedshop.com/hubfs/respeed%20rotor%20logo-2.png)
Many motors are now well into their 30's in terms of age, let's look closer at the side housings of one 13B that came into the shop for a refresh.
![Picture of MazdaDoug](https://www.respeedshop.com/hubfs/respeed%20rotor%20logo-2.png)
Apex seals are the main wear item that leads to rotor housing failure. As horsepower goes up so does heat and expansion. Sure, the side seals do a lot of work, let's talk about the apex seal and how ...
![Picture of MazdaDoug](https://www.respeedshop.com/hubfs/respeed%20rotor%20logo-2.png)
The Rotary engine continues to be a solid performer when built properly. Assembling the motor is only one key factor of a good build. The details necessary involve more than just the individual ...
![Picture of MazdaDoug](https://www.respeedshop.com/hubfs/respeed%20rotor%20logo-2.png)
The primary concerns regarding the Rx8 that contribute to engine failures and their underlying causes: Ignition, grounds, oil injection, front under-tray and driving it the way it was meant to be ...
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