tuning

Hey all, long time lurker first time poster. I pride myself in being a pretty good automotive troubleshooter, but this issue has been absolutely kicking my ass on my fresh engine and setup. I need the help of the MPS hive mind. ENGINE/DRIVEABILITY Year/Make/Model: 2010 USDM Speed3 Mileage...

New update on CX-7, I found some time to work on my car and big suprise its not about tuning this time. This time i collected some tools and prepared for the ,,big cleaning,, of something that is the most painfull experience of all mazda owners and it is RUST. I began with ordering every new...

Hey guys, so I've been trying to play with my VVT table on my Gen 2 Mazdaspeed 3 to spool my turbo faster, but I've not been having any luck with it, hoping someone can help: Referring to the above comparison graphs, both logs ran at around the same date/time/conditions. With the difference...

Hey guys, so I'm scratching my head on this 1. So I started noticing some similar issues to when my last map went bad; high koeo voltage, overboost conditions, high idle with clutch engaged(foot off). So I started shopping, bought a Bosch 3bar but ended up buying the gm version instead. Part...

I visited my local tuning shop and asked about ECU tuning but they saId that they've tuned lots of MPS3 / 6'es and they warned that some of the cars engine rods have been failed and they didn't recommend any tuning to ECU. They stated that they did get approx 400hp out of the engine before the...

Hello all MAZDASPEED owners/tuners, I currently run the Base 93US/98EU Octane High Load with Crackle and Pop version 1.02. I live in a country where to loud cars get towed and u loose ur license. My question is would I be possible to get pop and bang activate with the rear window heater button...

Hello everyone! This might be a stupid question or maybe I'm not understanding something correctly but I'm having an issue load based tuning with cobb atr. So I'm running a bnr s3 with supporting mods and recently decided to try to load tune it. In the past I had good luck boost tuning and...

Here we go again my friends, with yet another installment of MazdaSleeze.. So, on today's episode we are discussing why my '12 MS3 is against me. So for those of you who haven't seen my previous posts, nor care to dig, I bought a '12 MS3 that was fully loaded with no knowledge of what I was...

Hey guys new to the forum. I have a 2006 speed 6 that I’m having a readiness monitor issue with. The car has a short ram intake and turbo inlet pipe. I’m having a problem with the cat 02 and evap monitors not resetting and here in the great state of communist ny it will not pass inspection. I...

I am currently running 9 gallons of 93, 5 gallons of E85. I adjusted the weight gravity for E30 and then richen up my map to account for it. Open loop i target .75 or 11:1 AFR. The reason I ask, is currently at 20psi, 5500 rpm I am at 99% injector duty cycle. Virtual dyno has me anywhere...

Thinking of buying a car from a guy that's got a Cobb Accessport. Due to his tuning the CEL is on because the car's running too rich, though he's upgraded the intake and exhaust to accomodate the higher air flow. He's cleared the codes but they return after a couple days. Asking how/if this can...