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Perfect - my goal is to make it laggier so I can drive it without it lighting up the tires at mild throttle, being able to modulate boost more smoothly. Appreciate the input, that helps a lot!

Following stuff has been actioned on: Decided to just stick with an Oil temperature gauge, despite some awesome suggestions above - got a universal gauge pod for $5 locally, can't really beat that, and sold my other gauge which covers the cost of my new temp gauge. Going to follow this thread...

Lookie here more logs - this is from way back in 2016 with my first Speed3, idle log with a stock-size intake on OEM MAF. Seems to show the same thing, g/s around 3 or up, but that may actually make sense given your larger MAF housing size. Probably one of the smarter people can chime in, but...

Awesome! Trust your tuner and do what he says and you'll be fine.

What intake size are you running? First log here is 2.5" intake, second log is up to 3" intake, both were taken at idle at the beginning of my tuning process. You can compare MAF voltage and g/s, looks like it may be low for what it should be in both columns.

If it isn't an OEM MAF that may be the issue - these cars are very picky about non-OEM. I've had issues in the past, it may be worth a shot if you know someone who has an OEM MAF you can test.

Sounds like my neighborhood at 3am

Found an ECU on facebook marketplace for a 2010-2013 for $125. Search there

Boost leak tested?

A baffle is a baffle, as long as it doesn't have any loose pieces and secures tightly down should be fine, no?

Sounds like you already know the answer to that question.

The Ebay is an OEM valve, so they're rated to crack at 1800, but you can see above at WOT. I would go with the junkyard valve that passes the KOEO test and also holds the highest pressures at WOT. 400 at idle, above 1600 at WOT is the standard for an okay valve if I'm remembering correctly...

I ordered this one off Ebay for half the Edge Autosport cost, still OEM, same part number. Mazda Genuine L3K9-13-2J0 Fuel Distributor Pressure Valve Turbo 2.3L CX7 OEM | eBay

Probably - was it done with a completely warm engine? You can get the PRV much cheaper on ebay through a japanese retailer than you can from most domestic sources, and they are OEM. The CX-7 PRV is the same exact model number.

As long as the Time & Money equation works out for you, do what works. If you have a fully ready-to-go longblock you should be able to hotswap it in no time. The 2.5 block is suggested because it is hilariously cheap, but won't be as sturdy as a 2.3 or a 2.3 built in the long run. It will...

That's actually a solid idea, had no idea the EWG version came with a blockoff plate - with an S3 is a EWG necessary? I guess I'm not understanding if I would be holding myself back in terms of full-on capability and making the most of the car. I do love an open dump WG. Can't believe I...

That's actually a great gauge - I might end up doing that instead. Was looking for a dual since I already have an oil pressure gauge from when I first bought the car, but if it comes to it I'll spring for the two-in-one. I saw this piping thread (Focus ST mani install (and how to keep your...

TR8 is a fantastic intercooler for the price, love mine.

Below is a list of parts amassed for the BNR S3 swap in over the winter (February-ish), looking to do what I've done for basically everything on this car which is buy lightly used at a massive discount. Including cost here so I can track my total in / out by the end of the build vs. buying...

This is really fantastic, hard to find a Protege that isn't ragged to shit anymore.