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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Rotary Engine Builds | U can have it cheap or done right

Rotary Engine Builds | Going from medium to wild w/ reliability
Picture of MazdaDoug MazdaDoug 9 Min Read
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Mazda Rx8 cooling issues | Performance upgrades

Rotary Engine Builds | We do like the Mazda Rx8, with its excellent chassis and power to weight ratio it is a solid performer. How about here in Colorado where the high altitude and low humidity ...
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The Renesis engine rebuild | Details and what's in it for You

Rotary Engine Rebuilds We build or rebuild quite a few Renesis motors every month. The process is one that has been developed over the years to be a solid performer. It is a lot more than replacing ...
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Rx7 / Rx8 Upgrades | Let's talk batteries for Colorado

Rotary Engine Shop Colorado | Battery Performance is something that gets left alone until something goes wrong.
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Rotary Engine Porting | Bigger does not = better Why it matters

The rotary engine has changed the porting over the years, improving performance and reducing emissions. Intake porting: This is where a lot of gains can be made, on the other side, also a lot of ...
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GSL-SE proper diagnosis / Repair | To Rebuild or not?

Rotary Engine Shop | Filling out one of our forms connects you to our team and starts a conversation about your Rx. We received a form regarding a rare GSL-SE that requires some TLC and an engine ...
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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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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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Ultrasonic Clean | Rotary Engine Shop Colorado

Clean engines are better engines. Using the Ultrasonic cleaner to remove all the carbon / grease from the engine and external components is critical for engine performance / longevity
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Mazda Rx7 Turbo rebuild & Rant | It is all in the details Right or Wrong

We have had this customer for several years and what amazes me is that the majority do not understand the complexities of our hot dry high altitude. Oh, they talk about it and smooth right over the ...
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