REspeed Blog

This is where we share our knowledge / experience and to let you see the work we do.

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Rotary Engine | Oil leaks, cleaning up the mess

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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Rotary Engine Upgrades | Temperatures too high?

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 ...
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Mazda Rotary Engine | Oil leaks & Repairs

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 ...
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Rotary Engined cars | When a car is worth saving

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?
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Ultrasonic cleaning | Heat / Time w/ the right solution / process

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 ...
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Rotary Engine Build tips | Using newer Stationary Gears

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) ...
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Rotor Side Housings | Corrosion and what to look for

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.
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Apex seals, Housings and Rotors | Heat and Wear

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 ...
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Rotary Engine REbuilds | details for a solid build

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 ...
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Mazda Rotary Engine REbuilds | Outside the rotor chambers

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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