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I did a leak test before pulling the turbo. The only leaks were from the valve cover/PCV and the brake booster fitting in the intake. Took a minute or so to bleed down from probably 15-20 psi. No other identifiable leaks that I was able to find. Additionally, I tried disconnecting the wastegate...

Pulled the turbo and there doesn't appear to be any issue. While it has a little shaft play (both Axial and Radial), it is not hitting the housing at all. There are no other apparent signs of damage or failure. At this point about the only thing left I can think of is possibly a strangely...

Sho - Boost leak only showed the brake booster fitting leaking. This will be remedied by the brass fitting installation when I pull the intake to install injector seals. BPV did not appear to be leaking even under around 20+ PSI of pressure. I did think of the cats given they are of...

Upon further inspection back at home, the speed did end up coming with a few goodies. They included Koni yellows, Eibach lowering springs, Mazdaspeed aftermarket CAI, up-rated sway bars front and rear (silver pained, no name on them), 18" O.Z. racing rims with 3-season tires. After getting it...

It all started on a dark, damp and dreary evening.... no, seriously, it did. Almost a year ago, one damp Friday evening, my wife was perusing Facebook and came across a posting from a friend of a friend of a friend. She looked at me and asked "is a Mazdaspeed 3 something we would be interested...

Thanks for the info! this is way more that I have been able to find previously. and I definitely understand that air density > boost pressure, and boost PSI is not the be all/end all of tuning. I have some thoughts and such below to see if I am understanding the interactions correctly compared...

I'm hoping Versatune is essentially a skinned Mazdaedit from a functionality standpoint. I'm definitely used to laptop interfaces though. My previous project car ran a Megasqirt-II ECU so it was completely laptop based. The trade-off between Mazdaedit and Versatune is with Mazdaedit, my...

I am currently at a crossroads with my speed3. The stock K04 appears to have given up (won't boost past 4.5psi) and all signs point to the turbo (checked WG, BCS, boost leaks etc. and nothing showed up). I wanted to go with a CST4 for some headroom and not turning into a hairdryer at higher...