REspeed Blog

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

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MazdaDoug

MazdaDoug

Avid SCCA race car driver, engine builder, Mazda enthusiast.

Recent Posts

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Engine Rebuilds | Checking for cracked Rotors

On one of our current Rx8 builds, the car came in not running, a common occurrence. Our job is to make sure that what ever caused this to not start / run properly doesn't happen again.
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Rotary Engine Builds | Performance Upgrades / Race Porting & More

Rotary Engine Builds for power For our climate, it is paramount that every engine build gets performance / reliability upgrades that match the application. Cooling is a big issue here in Colorado.
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Cooling System Upgrades | Rotary Engine Builds

Part 2 Cooling system upgrades | Mazda Rx7 Turbo Our turbo convertible is getting two Setrab Oil Coolers / Fan Packs along with cleaning up the airflow to the radiator. When you have a front mount ...
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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. Part 1 Add in our high altitude and hot temperatures and you have a recipe for some higher than desired water ...
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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.
Picture of MazdaDoug MazdaDoug 3 Min Read
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