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Got some knock from the leaner AFR by solving part of my boost leak issue. Changed all the crappy hose clamps but I think my Forge BPV may be leaking with the blue spring so I am planning to swap in the red spring. Rob will clean from the AFR's once I get a new map but I still need to fix...

I was on the train of thought that I was going to see AFR going crazy with a boost leak but I suck. The funny thing is... I have had this boost leak since I installed the FMIC. I tried and I failed... the lesson is, never try.

So my T-bolt clamps that hold the couplers on my intercooler were kinking causing some leaks under boost. They are the clamps that came with the kit so I will be replacing them with some better quality ones and see if that solves my issue. The leaks would happen at 2psi so my turbo was making...

I am going to boost test the car tomorrow when I have the time. I will post up my findings after I pressurize the system and fix anything.

More logs... for anyone paying attention.

Intercooler is rated for 700hp and is 780mm x 290mm x 80mm (30"x11.5"x3") Logs attached, doesn't look like it did anything except lower boost lol... So should I hunt a boost leak? I will have to go to home depot and make myself some fittings.

I took the manifold to a machine shop and they milled it flat. it was about .002" out at the worst spot. I don't think this is a cat issue but I will keep that in mind if all my trouble shooting fails. I can always bring this to the exhaust shop to have it chopped off. I will post the logs I...

You think a High Flow Catt from ATP is the problem? Do you know this from experience? The leak was at the turbo and exhaust manifold flange. Warped exhaust manifold flange meant a lot of gas was escaping and not spooling the turbo + throwing off AFR's.

I am going to buy some C-clips today and try and add some preload to the waste gate when I get home from work. 2 additional turns seems like a good starting point but I'll see if Rob responds during the day with his recommendation. I had my injectors cleaned and new screens installed by...

We just got the the stage of the tuning process where AUX fueling has been accounted for & additional boost has been added. Basically, we are trying to top out the AUX fueling I have with the turbo with a safety zone being accounted for but I can't increase boost. I would think we are 2-3...

Rob - Hypnotic is tuning it and he said it may be the preload. He hasn't advised on anything yet so I am waiting on him to get back to me. Not sure what this revision was targeting but it seemed weird that I needed 100 WGDC to get 24psi approaching redline. Especially when others have been...

WOT AFR is 11.8 There is some fine tuning in the MAF curve to be done still, as I get very repeatable AFR's on WOT pulls.

I agree with that but I was was thinking if there was a boost leak I would see weird AFR because of the metered air escaping. I would think with a boost leak I would be running a little rich above 24psi. I will get it tested just to be sure it's not a boost leak.

Mod List: - Manley Rods - Speed performance custom pistons - L11 Head studs - BNR S4 - XS Power V3 Exhaust Manifold - ATP 3" Catted Downpipe - Custom 3" exhaust - HDI FMIC - 3.5" Aluminium JBR intake - Snow performance Stage 2 MAF Meth (D014 nozzle) - CP-e Stage 1 Clutch - Speed performance...

Hello All, I recently ran into an issue with not being able to get boost past 24-25psi on my BNR S4 tune. I am not quiet sure what the issue is so I wanted to reach out to see if anyone else had the same issue or saw something in my logs that looked familiar. I fixed an exhaust leak and have...

I agree with @djohns, BSD does not do anything other than increase oil capacity. There is no data on the BSD adding any longevity to the engine. Most people would do the BSD for the extra cooling from the increased oil capacity so if you are tracking it would be worth while. If you want to...

SLOW TURDS (ST's) UNITE!!! My winter car...

I'll just leave this here: https://damondmotorsports.com/collections/mazdaspeed6-mazda-mps6/products/passenger-side-motor-mount-mazdaspeed6?variant=29661690705 MS6 PMM came out today, this is the second time I will be switching a car over to this design. First my MS3 and now the MS6.

To all those who have the BNR S4 V1: (this was my email to Bryan) Hello Brian, I bought a BNR S4 for my MS6 this summer. I had to pause tuning due to the winter weather here in Canada and I was just reading on the mazda speed forum that there is a new revision coming out. I wanted to know the...

Considering I wasn't done a tuning process at all @19si + 9* of timing, the turbo has tons more to give with additional fueling. I want to see how much this turbo can give with a forged motor.