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Everything posted by Dose Pipe Sutututu
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@Kinkstaah if someone offered to swap for their M3 F80 LCI I would not say no lol...
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Rb25 Turbo Upgrade, All Dyno Results
Dose Pipe Sutututu replied to Nacho Vidal's topic in Engines & Forced Induction
Time for an update, same turbo but refreshed motor now with 437.9kW at 1.7bar boost dropping down to 1.5bar towards the redline. Looks like I've maxed out the compressor at this stage. I believe there are some improvements to be had such as venting the gate to atmosphere and deleting the cat. Will be back to get the closed loop boost control dialled in when I have time. Was a pretty surreal experiencing for me as I've never tuned anything this powerful nor anything that revs this high! Alex said I could safely bring the rev limiter to 8600rpm if I wanted to (which I did lol). Mods: Garrett GTX3576R Gen 2 Garrett T3 1.01 divided rear housing Turbosmart Gen V 50mm Sinco T3 twinscroll, single gate manifold (pulses split to the gate seat) 3.5" Turbo back with 5" body Venom 100 Cell Cat, 2x Mufflers, Gate plumbed back Generic built RB25DET NEO motor (CP Pistons, Manley Rods, Nitto rings, ACL bearings, ARP dis dat, etc.) Spool billet oil pump gears Nitto Oil Pump Tomei 260/9.15 Poncams Kelford 264/272 244-B 80lb Valve Springs & Ti Retainers by Performance Springs HDi Hybrid 76mm eBay FMIC Plazmaman 76mm Pro Series Plazmaman Intake Manifold ATi Balancer Below is the log (no idea why SAU makes the thumbnails so damn small now. Ignore the oil pressure, it's reading wrong. I suspect the sensor has the right part number printed on it but it's actually a 5 bar sensor (not 10 bar). Here's a video my mate recorded of me tuning, you can see I'm constantly looking at Alex to see if I need to abort the run. Previously there was a misfire event that sounded like engine knock from where he was standing. I took out the plugs then gapped them down to 0.4mm and it sure did the trick! -
Now with a fresh alignment, a lot less toe in at the rear now as it's no longer needed (subframe offset by 10mm upwards). Front toe touched up and I think I'm some what ready for All Jap Day, which might end up being cancelled due to the rain.
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4D table allows you to say have the slider at 0%, 25%, 60%, 80% ethanol as an example, giving you multiple maps if you will. Also removes the need to do arithmetic when you're tuning, no need to go ahh I need to add 11 to my base table cell of 8 to give me 19. I "think" it makes tuning a bit easier, however still yields exactly the same results as using the conventional compensation tables as you and I are both well versed on.
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Hey @Murray_Calavera the car has always been on full flex I stopped using compensation tables and have moved to a more 4D table approach, where the slider dictates which map I am on (anything in between is interpolated).
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GTX3076R GEN II VS GTX3576R GEN II on RB26
Dose Pipe Sutututu replied to joe89's topic in Engines & Forced Induction
Okay thread necro! Back it again with the GTX3576R Gen 2. New motor, with same-ish parts bar the Kelford 264/272, ATi Balancer, Nitto Oil Pump, Plazmaman Intake and Plazmaman Cooler. IATs are nice and low now and very consistent run after run. The previous HDi core would heatsoak quite fast where as the Plazmaman core didn't. Post run it recorded a max of 29 degrees C, where as the old HDi core would shoot up to 40. Pretty good having Alex build the motor, giving me warranty on it although I'm tuning it. He did ask for a few additional trims to be added and for timing to be taken out in the midrange however he knows I will track this car and the motor is running H beams not I Beams. Managed 437.9kW at 1.7bar dropping down to 1.5bar. I suspect with the gate vented to atmosphere and no cat the motor should naturally make a but more power. It's a bit shy of my unrealistic goal of high 400s but let's me honest that was a number I threw in the air a few years back. -
Here's the final power run, you see me looking at Alex quite a bit incase something didn't sound right so I could abort the run. We did have misfires a few runs previously that sounded oddly like knock, ended up gapping down to 0.4mm on BCP7RES and that solved the issue.
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@RBW49N lolololol... It has a Garrett GTX3576R Gen 2 with a T3 1.01 divided rear housing. turbine side was pretty much on point, just undersized the compressor LOL.
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Hahah with cold tyres 2nd is pretty funny. On the street it's very linear, wasn't like any of my previous setups. The power is very very linear, a way to describe it is like a NA. Here's a run on 0.5bar boost, power is ruler flat (minus the part where I turned off VCT a bit earlier) Torque (derived) wise it made 611nm at 6400rpm
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Guess the turbo tapped out sooner than I expected. I'll post up logs, and more analysis in the coming days.
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Haltech Plug & Play R34 GTT
Dose Pipe Sutututu replied to R34GTV's topic in Engines & Forced Induction
Not sure how crazy you want to go with the build, but you could pop in a DCT box or ZF box from a BMW to keep it auto then run a GCU wired back into the Kebabtech. This is what you end up with, insanely good, no knocks/bumps like a manual sequential box and if you want you can actually setup a transbrake: -
RB25 No fuel after injector change
Dose Pipe Sutututu replied to the_dude's topic in R Series (R30, R31, R32, R33, R34)
or fuel hoses backwards hence fuel pump fuse blowing (or I think it's the fuel pump fuse, OP was not specific on which fuse popped) -
SAU NSW - Cruise - Evening Old Pac Run - Sat 25th June
Dose Pipe Sutututu replied to sammi_d's topic in Events
Hey @soviet_merlin a bit hard as it's at night. Stupid car will wake up my son and then piss off the wife when I get home 🥲 And thanks to ever increasing popularity of these shit boxes I can't just leave it on the driveway either 😓 This is why the M3 just makes so much sense! (Who wants to swap? Lololol) -
I know right, I'm going to All Jap Day in Sydney on the 3rd of July. They have a few Eastern Creek sprint sessions, which I believe are untimed but I'll give it a crack with Race Chrono running. Why build a car and not enjoy it right? It's like having a hot missus that you can't have a poke from time to time lol.