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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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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Renesis Boosted Power | Rotary Engine Builds

Renesis Engine Builds | Adding more boost means more strength in the block We have a customer that brought in a boosted Rx8, decent build, however in need of a new engine with reliable power output. ...
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1988 Mazda Rx7 10th anniversary one owner | Prep, Baseline, Sell

Mazda Rx7 FC | Every now and then we get a call from a long term customer that we would rather not get.
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1980 Mazda Rx7 engine rebuild & video

We have seen a strong resurgence of the first generation of the rx7 lately, why?
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