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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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 ...
Picture of MazdaDoug MazdaDoug 6 Min Read
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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) ...
Picture of MazdaDoug MazdaDoug 4 Min Read
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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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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 ...
Picture of MazdaDoug MazdaDoug 6 Min Read
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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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Rotary Engine Builds | Getting it right

Rotary Engine Builds | If you haven't had the pleasure of going to High Plains Raceway or Pueblo Motorsports Park for a track day with your daily sports car, you are missing out. What is realistic ...
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13B rotary engine rebuild | details matter

Oil pumps and putting it all back together | Rotary Engine Shop Colorado After we have sanded and measured all the side seals, installed them with the springs, corner seals and made sure the apex ...
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Porting & Assembling the 6 port 13B | Flow & power

Exploring the realm of social media platforms, one can easily spot discussions and articles on achieving substantial power gains with the 13B rotary engine. Easy, right? Not so fast. Every online ...
Picture of MazdaDoug MazdaDoug 7 Min Read
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How to make 700 hp w/ 13B | Turbo Upgrades

Building Horsepower in Colorado, serious turbo power takes a proven plan with solid components.
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