--- title: REspeed Rotary Engine Blog | MazdaDoug (2) description: Avid SCCA race car driver, engine builder, Mazda enthusiast. (2) image: https://www.respeedshop.com/hubfs/respeed%20rotor%20logo-4.png --- # REspeed Blog This is where we share our knowledge / experience and to let you see the work we do. Enter Search Term here: ex: 'Engine Rebuilds' Enter - There are no suggestions because the search field is empty. ![MazdaDoug](https://www.respeedshop.com/hubfs/respeed%20rotor%20logo-2.png) ## MazdaDoug Avid SCCA race car driver, engine builder, Mazda enthusiast. ## Recent Posts ### [79-80 Mazda Rx7 Performance Updates](https://www.respeedshop.com/blog/79-80-mazda-rx7-performance-updates) 1979 Mazda RX-7 SA | Maintenance & Thoughtful Upgrades This is one of those cars. [Read full article](https://www.respeedshop.com/blog/79-80-mazda-rx7-performance-updates) [   Read Article ](https://www.respeedshop.com/blog/79-80-mazda-rx7-performance-updates) [12A](https://www.respeedshop.com/blog/tag/12a) [RX7 Engine Build](https://www.respeedshop.com/blog/tag/rx7-engine-build) ### [79-80 Mazda Rx7 Performance Updates](https://www.respeedshop.com/blog/79-80-mazda-rx7-performance-updates) 1979 Mazda RX-7 SA | Maintenance & Thoughtful Upgrades This is one of those cars. [![Picture of MazdaDoug](https://www.respeedshop.com/hubfs/respeed%20rotor%20logo-2.png) MazdaDoug ](https://www.respeedshop.com/blog/author/mazdadoug) 5 Min Read [   Read Article ](https://www.respeedshop.com/blog/rotary-engine-builds-do-it-right) [Rotary Engine Builder](https://www.respeedshop.com/blog/tag/rotary-engine-builder) [rotary engine restoration](https://www.respeedshop.com/blog/tag/rotary-engine-restoration) ### [Rotary Engine Builds | Do it right](https://www.respeedshop.com/blog/rotary-engine-builds-do-it-right) Rotary Engine Builds | From Street to Wild—Built Right Spring is here in Colorado, and projects are already lining up. [![Picture of MazdaDoug](https://www.respeedshop.com/hubfs/respeed%20rotor%20logo-2.png) MazdaDoug ](https://www.respeedshop.com/blog/author/mazdadoug) 7 Min Read [   Read Article ](https://www.respeedshop.com/blog/12a-rotary-rebuild-for-vintage-racing-rx-7-engine-builder-colorado) [RX7 Engine Build](https://www.respeedshop.com/blog/tag/rx7-engine-build) [Colorado RX7](https://www.respeedshop.com/blog/tag/colorado-rx7) ### [12A Rotary Rebuild for Vintage Racing | RX-7 Engine Builder Colorado](https://www.respeedshop.com/blog/12a-rotary-rebuild-for-vintage-racing-rx-7-engine-builder-colorado) Rebuilding the 12A for Vintage Racing: What Actually Matters Go to any SCCA road racing event and you’ll still see Mazda RX-7 cars running hard down the straights with 12A engines. That alone tells ... [![Picture of MazdaDoug](https://www.respeedshop.com/hubfs/respeed%20rotor%20logo-2.png) MazdaDoug ](https://www.respeedshop.com/blog/author/mazdadoug) 7 Min Read [   Read Article ](https://www.respeedshop.com/blog/mazda-12a-rotary-builds-experience-details-matter) [12A](https://www.respeedshop.com/blog/tag/12a) [mazda rx7](https://www.respeedshop.com/blog/tag/mazda-rx7) ### [Mazda 12A Rotary Builds | Experience, Details Matter](https://www.respeedshop.com/blog/mazda-12a-rotary-builds-experience-details-matter) 12A Rotary Engine Builds | Having grown up around the 12A and doing what young men do with their cars, then turning to road racing as I got older, the proof of the 12A is undeniable. I have beat the ... [![Picture of MazdaDoug](https://www.respeedshop.com/hubfs/respeed%20rotor%20logo-2.png) MazdaDoug ](https://www.respeedshop.com/blog/author/mazdadoug) 6 Min Read [   Read Article ](https://www.respeedshop.com/blog/mazda-rx7-fd-engine-builds-colorado-rotary-shop) [rx7](https://www.respeedshop.com/blog/tag/rx7) [FD Mazda Rebuild](https://www.respeedshop.com/blog/tag/fd-mazda-rebuild) ### [Mazda Rx7 FD engine builds | Colorado Rotary Shop](https://www.respeedshop.com/blog/mazda-rx7-fd-engine-builds-colorado-rotary-shop) Rebuilding the Mazda Rx7 FD | Here we have two components that seem to be functioning properly and yet we still are getting codes, What next? [![Picture of MazdaDoug](https://www.respeedshop.com/hubfs/respeed%20rotor%20logo-2.png) MazdaDoug ](https://www.respeedshop.com/blog/author/mazdadoug) 6 Min Read [   Read Article ](https://www.respeedshop.com/blog/rotary-engine-builds-u-can-have-it-cheap-or-done-right-1) [rebuilds](https://www.respeedshop.com/blog/tag/rebuilds) ### [Rotary Engine Builds | U can have it cheap or done right](https://www.respeedshop.com/blog/rotary-engine-builds-u-can-have-it-cheap-or-done-right-1) Rotary Engine Builds | Going from medium to wild w/ reliability [![Picture of MazdaDoug](https://www.respeedshop.com/hubfs/respeed%20rotor%20logo-2.png) MazdaDoug ](https://www.respeedshop.com/blog/author/mazdadoug) 9 Min Read [   Read Article ](https://www.respeedshop.com/blog/mazda-rx8-cooling-issues-performance-upgrades-1) [performance upgrades](https://www.respeedshop.com/blog/tag/performance-upgrades) [rx8 builds](https://www.respeedshop.com/blog/tag/rx8-builds) ### [Mazda Rx8 cooling issues | Performance upgrades](https://www.respeedshop.com/blog/mazda-rx8-cooling-issues-performance-upgrades-1) 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 ... [![Picture of MazdaDoug](https://www.respeedshop.com/hubfs/respeed%20rotor%20logo-2.png) MazdaDoug ](https://www.respeedshop.com/blog/author/mazdadoug) 4 Min Read [   Read Article ](https://www.respeedshop.com/blog/the-renesis-engine-rebuild-details-and-whats-in-it-for-you-1) [Rotary Engine REbuild](https://www.respeedshop.com/blog/tag/rotary-engine-rebuild) [13b](https://www.respeedshop.com/blog/tag/13b) ### [The Renesis engine rebuild | Details and what's in it for You](https://www.respeedshop.com/blog/the-renesis-engine-rebuild-details-and-whats-in-it-for-you-1) 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 ... [![Picture of MazdaDoug](https://www.respeedshop.com/hubfs/respeed%20rotor%20logo-2.png) MazdaDoug ](https://www.respeedshop.com/blog/author/mazdadoug) 7 Min Read [   Read Article ](https://www.respeedshop.com/blog/rx7-/-rx8-upgrades-lets-talk-batteries-for-colorado) [performance upgrades](https://www.respeedshop.com/blog/tag/performance-upgrades) [rx8 builds](https://www.respeedshop.com/blog/tag/rx8-builds) ### [Rx7 / Rx8 Upgrades | Let's talk batteries for Colorado](https://www.respeedshop.com/blog/rx7-/-rx8-upgrades-lets-talk-batteries-for-colorado) Rotary Engine Shop Colorado | Battery Performance is something that gets left alone until something goes wrong. [![Picture of MazdaDoug](https://www.respeedshop.com/hubfs/respeed%20rotor%20logo-2.png) MazdaDoug ](https://www.respeedshop.com/blog/author/mazdadoug) 4 Min Read [   Read Article ](https://www.respeedshop.com/blog/rotary-engine-porting-bigger-does-not-better-why-it-matters-1) [Colorado Rotary Engine shop](https://www.respeedshop.com/blog/tag/colorado-rotary-engine-shop) [Rotary Engine REbuild](https://www.respeedshop.com/blog/tag/rotary-engine-rebuild) ### [Rotary Engine Porting | Bigger does not = better Why it matters](https://www.respeedshop.com/blog/rotary-engine-porting-bigger-does-not-better-why-it-matters-1) 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 ... [![Picture of MazdaDoug](https://www.respeedshop.com/hubfs/respeed%20rotor%20logo-2.png) MazdaDoug ](https://www.respeedshop.com/blog/author/mazdadoug) 5 Min Read [Check all our articles](https://www.respeedshop.com/blog/all) - [**](https://www.respeedshop.com/blog) - [1](https://www.respeedshop.com/blog/author/mazdadoug) - [2](https://www.respeedshop.com/blog/author/mazdadoug/page/2) - [3](https://www.respeedshop.com/blog/author/mazdadoug/page/3) - [4](https://www.respeedshop.com/blog/author/mazdadoug/page/4) - [5](https://www.respeedshop.com/blog/author/mazdadoug/page/5) - [**](https://www.respeedshop.com/blog/author/mazdadoug/page/3) ALL CATEGORIES - [all Categories](https://www.respeedshop.com/blog) - [Colorado Rotary Engine shop](https://www.respeedshop.com/blog/tag/colorado-rotary-engine-shop) - [rx8 builds](https://www.respeedshop.com/blog/tag/rx8-builds) - [Rotary Engine REbuild](https://www.respeedshop.com/blog/tag/rotary-engine-rebuild) - [13b](https://www.respeedshop.com/blog/tag/13b) - [12A](https://www.respeedshop.com/blog/tag/12a) - [performance upgrades](https://www.respeedshop.com/blog/tag/performance-upgrades) - [rx8 engine failures](https://www.respeedshop.com/blog/tag/rx8-engine-failures) - [rebuilds](https://www.respeedshop.com/blog/tag/rebuilds) - [rx8 Performance Upgrades](https://www.respeedshop.com/blog/tag/rx8-performance-upgrades) - [rotary engine care](https://www.respeedshop.com/blog/tag/rotary-engine-care) - [Colorado RX7](https://www.respeedshop.com/blog/tag/colorado-rx7) - [RX7 Engine Build](https://www.respeedshop.com/blog/tag/rx7-engine-build) - [Rotary engine repair](https://www.respeedshop.com/blog/tag/rotary-engine-repair) - [Rx7 turbo Shop](https://www.respeedshop.com/blog/tag/rx7-turbo-shop) - [Ultrasonic Clean](https://www.respeedshop.com/blog/tag/ultrasonic-clean) - [engine builds](https://www.respeedshop.com/blog/tag/engine-builds) - [mazda rx7](https://www.respeedshop.com/blog/tag/mazda-rx7) - [oil cooler upgrades](https://www.respeedshop.com/blog/tag/oil-cooler-upgrades) - [12A Rotary Mazda RX-7 Vintage Racing](https://www.respeedshop.com/blog/tag/12a-rotary-mazda-rx-7-vintage-racing) - [FD Mazda Rebuild](https://www.respeedshop.com/blog/tag/fd-mazda-rebuild) - [Penske Shocks Rx8](https://www.respeedshop.com/blog/tag/penske-shocks-rx8) - [Renesis Rebuilds](https://www.respeedshop.com/blog/tag/renesis-rebuilds) - [apex seals](https://www.respeedshop.com/blog/tag/apex-seals) - [carb rebuild](https://www.respeedshop.com/blog/tag/carb-rebuild) - [cooling system upgrades](https://www.respeedshop.com/blog/tag/cooling-system-upgrades) - [oil leaks rotary](https://www.respeedshop.com/blog/tag/oil-leaks-rotary) - [vintage racing 12A](https://www.respeedshop.com/blog/tag/vintage-racing-12a) - [GSL-SE repair](https://www.respeedshop.com/blog/tag/gsl-se-repair) - [Mazda FC Rx7](https://www.respeedshop.com/blog/tag/mazda-fc-rx7) - [Penske Shocks](https://www.respeedshop.com/blog/tag/penske-shocks) - [Rotary Engine Builder](https://www.respeedshop.com/blog/tag/rotary-engine-builder) - [SA Rx7](https://www.respeedshop.com/blog/tag/sa-rx7) - [Turbo Upgrades](https://www.respeedshop.com/blog/tag/turbo-upgrades) - [batteries](https://www.respeedshop.com/blog/tag/batteries) - [engine rebuilds](https://www.respeedshop.com/blog/tag/engine-rebuilds) - [fuel injectors](https://www.respeedshop.com/blog/tag/fuel-injectors) - [Boosted Rx8](https://www.respeedshop.com/blog/tag/boosted-rx8) - [Coolant failures](https://www.respeedshop.com/blog/tag/coolant-failures) - [FD engine installation tips](https://www.respeedshop.com/blog/tag/fd-engine-installation-tips) - [HGT sequential gearboxes](https://www.respeedshop.com/blog/tag/hgt-sequential-gearboxes) - [JDM Mazda](https://www.respeedshop.com/blog/tag/jdm-mazda) - [Race Engine Builds](https://www.respeedshop.com/blog/tag/race-engine-builds) - [Side seal Clearance](https://www.respeedshop.com/blog/tag/side-seal-clearance) - [compression testing](https://www.respeedshop.com/blog/tag/compression-testing) - [mazda FD](https://www.respeedshop.com/blog/tag/mazda-fd) - [radiator upgrades Rx8](https://www.respeedshop.com/blog/tag/radiator-upgrades-rx8) - [rotary engine restoration](https://www.respeedshop.com/blog/tag/rotary-engine-restoration) - [rotor housing failures](https://www.respeedshop.com/blog/tag/rotor-housing-failures) - [rx7](https://www.respeedshop.com/blog/tag/rx7) - [side housings](https://www.respeedshop.com/blog/tag/side-housings) Click on 'All Categories' for dropdown / scroll of blog listing This is a search field with an auto-suggest feature attached. - There are no suggestions because the search field is empty. google-site-verification: google66f53be324ef579e.html