turbo

  1. Locosiete

    Need opinion

    So recently received error fuel pressure sensor malfunction, can remember code but replaced sensor and it resolved it. Oddly enough when I replaced fuel pressure sensor it started making a whine like I was low on power steering fluid. Sound increases with RPMs. I Confirmed all fluids were not...
  2. Scaytale

    2023 Mazda3 Turbo, AWD, without Muffler

    I put a tow hitch on the new Daily Driver and while I had the Muffler off I took a short vid of the sound. And another when I put the muffler back on. Mostly for entertainment value, I haven't made any other mods to the car. The previous DD was a 2013 Mazdaspeed 3 with bolt on upgrades, the...
  3. M

    BNR S4 V3 Turbo Rebuilding Help

    I have the turbo above on a 2012 speed 3. Blowing smoke at idle from the tail pipe and lots of oil coming down from the turbo oil housing. Looking for a rebuild kit but cant find one. Better to repair or replace?
  4. P

    MZR 2.3 Breather hose / smoke?

    So i'm looking at a Speed 6 that has a 2010 Speed 3 engine, and everything looked good but there were 2 things I wanted to understand about this car before I bought it: First is by the firewall pretty central to the engine there was a hose just kinda chillin' there, coming from somewhere lower...
  5. James A

    [SOLVED] Low Boost (8-9 PSI max)

    Newbie here. I have a 2010 MS3 with about 114K miles on it. I bought it used and have owned it for a year. I am not a mechanic, just an owner. I've had a local reputable shop do a lot of work on it to back out some poorly done mods by the prior owner, and to replace worn out parts. I'm happy...
  6. BoostedMexican

    Turbo oil restrictor banjo bolt beneficial or not???

    I’d obviously like to do as much preventative maintenance on my Speed3 as I possibly can and I was just wondering what the general feeling is on installing the aftermarket Banjo bolt onto our k04 turbos??? Is it at all beneficial or is it a bad idea? I have read that you should only do it if...
  7. originalmarshmello

    BNR S4 Turbo Shaft Play - Acceptable or not?

    Hey all. I recently picked up this bnr s4 unit online from a guy. Upon arrival, I noticed that there were scratches in the intake side around the intake turbine. At first, I freaked out thinking I got snowed. There was also a little side to side shaft play, nothing too serious but with nothing...
  8. need4swede

    Big Turbo Reliability

    Hi all, Reliability is paramount in my new build. I am contemplating three different turbo options: BNR S3 BNR S4 GT3076R (used, but same price as the aforementioned BNR kits) I am ignorant, but I figured the S4 would be a great fit since I can have it tuned for lower psi and only really have...
  9. M

    E33 CST4 Tune - Normal?

    Hey guys! Been lurking on this forum for a few months now and have just finished my E33 tune and was wondering if you guys could take a look and let me know if anything looks off. CST4, SRI, HPFP Internals, Catted DP, Upgraded TMIC, EBCS Averaging the two logs in VD has me at about 345WHP -...
  10. D

    Need help purchasing a new turbo

    This is my situation. I have a 2011 mazdaspeed 3 with 152k miles on it. It is on the stock Ko4 turbo. It has all the basic mods HPFP, Cob accessport, catback cork sport exhaust , and intake. My car has been burning oil at a pretty good rate at this point about a half quart to a full quart every...
  11. JohnnyTightlips

    Ebay Pulsar GTX3071R CS - CorkSport Manifold- Install and Impressions

    I had the opportunity to get a CS manifold and after talking to @CorkSport - Derrick he mentioned that they were testing out a Tial v-band flange and he might be able to score me one early. I needed to rebuild my JB 5862 PTE anyways and found out it was actual worse than I thought and the issues...
  12. T

    No Boost

    Today I installed a cobb accessport and a stage 1 ots tune from cobb with my mods being a cobb cat back exhaust and cobb intake. On the first drive car immediately started making a maximum of 3 psi but still read negative pressure down to -10 or -11 psi. No visible smoke from the turbo or...
  13. M

    Oil Consumption, Smoke on turbo boost

    I have a 2011 MS3, stock as far as I know. I know it’s a common issue to have some smoke and oil consumption associated with the turbo, but the posts I’ve seen, it typically occurs on deceleration/downshifting. My issue is when I’m accelerating heavily and the turbo is boosting. Typically I...
  14. Rustyms3

    Ms3 fuel cut/aftermarket turbo surprise

    So I bought my first gen about 4 months ago knowing it needed some work. I just pulled the transmission to do a clutch and flywheel job. When doing so I noticed an aftermarket turbo. This car has no tune and is bone stock all the way around. Its a mahle 627 TC 20002 000 which is a twinscroll...
  15. JohnnyTightlips

    Vdyno , Mods and Logs

    This is a quick thread to give people an idea of what they can expect from these setups. If you would like to add something feel free to post your stuff. AlexL @alexwlwsn PTE 6062 Gen2DBB - Max Effort Ethanol Tune - JMF PI DavidM @JohnnyTightlips PTE 5862 JB - Max Effort Ethanol Tune -JMF PI...
  16. L

    Turbo whine/noise low gears low speed

    Hi there, just wanting to hear from you guys if you know much about a whine/noise that’s coming from the induction system at low speeds in lower gears everytime I let off the throttle in 2nd and 3rd I hear a siren kind of noise faintly in the background that seems to correlate with the boost...
  17. ThatSilverMS3

    White Smoke

    It rained a couple days ago and I forgot to wrap my intercooler when I went driving. I got home and started it a couple hours later, white smoke pouring from the exhaust. I assumed it was just some water so I changed the oil today and it went away for a second l, then the smoke came right back...
  18. Kraig Pavlonnis

    Sell or Fix?

    I've run into a little dilemma... I need a new turbo for my 07 Speed 3 with 150k+ miles that I purchased about 6 months ago. I'm trying to decide if I should fix the turbo and then sell the car, sell it now, or fix it and keep it. If I decide to keep it should I replace the turbo with the stock...
  19. G

    08 Mazdaspeed 3 engine rebuild

    hello guys I’m new to the forum. I just purchased a 2008 Mazdaspeed 3 with a lot of after market parts....pauter rods, CP pistons, front mount inter cooler, holset turbo, custom wastegate, hks blowoff valve, alcohol injection, tuning done by Cobb Performance. Purchased for a good deal, pretty...
  20. Natey

    Still alive! Natey's RX-7.

    Hey there MSO. Long time, no post. I'm still around, though, and will be in Mazdas for life! I've actually had my eye on a genpu or two, but other shit keeps coming up and I'm perpetually broker than a baby's toy. So our MSP will be my daily driver for...who knows? Screw that though, this...
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