knock retard

Hello fellow Mazdaspeed guys, first of all: I've been through all the possible threads on this forum to my issue, went to the borders of all knowledge and ideas in my german group, discussing with many tuners, good mechanics and so on. I even have been to other forums aboutnon 4 bangers as well...

Hello! I recently purchased a 2013 MS3 with 76k miles on the clock. The previous owner claimed to have done a full Cobb stage 1+ on the car, but upon further inspection, I noticed the turbo inlet pipe was stock and the airbox shroud was not installed. It does have the rear motor mount, the cone...

New to the Mazdaspeed 3 Space and as usual with buying cars you think are gonna be awesome their are always flaws. MODS: Cork sport HPFP, HPS CAI, EBAY TURBO INLET, Dual port BOV EBAY, JBR Poly mounts all around, Cork sport OCC. CONDITION: 6,000 miles on long block, 6,000 miles on turbo...

Hi all! Today I threw a stage 1 cobb ots map on my 2009 Speed3. I first noticed that it felt way faster when pulling (Yay!), but soon after I saw that I was only making low 13's psi boost. I also saw that my AFR was different on WOT, staying around 11.76. There was a bit of Knock retard in one...

This is my first post here so I apologize if I mess anything up! (For reference, currently have a jbr stage 2 powerpath intake/turbo inlet, turbosmart 50/50 set to full recirc, corksport hpfp internals, jbr rear motor mount, and a catback exhaust on the car. During the time of the first 3 logs...

Okay I'm starting a new thread becuase I've learned alot since I first got my hatchback. I have a 2007 mazdaspeed 3. It has a no name Sri with straightener, Autotech internals, just did a fuel pump seal kit, a tubular header, aluminum flywheel, reproduction factory turbo, egr delete, deleted...

Its a shitty clip but better than no clip, any thoughts?

Troubleshooting a friends car that has been acting up for a few months. He recently had his VVT done, head replaced, new spark plugs and new injector seals put in. Cylinder 4 spark plug used to not seat correctly due to the previous owner tearing the threads afiak. After all of that has been...