01-16-2023, 01:51 PM | #1 |
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Single Turbo M4 GTS Dyno Session...750rwhp! 😈
Just finished up the single turbo build on my M4 GTS!
https://youtube.com/shorts/oAJ7ZELuitc?feature=share E50 vs 93 dyno chart below.. GTS keeps factory water injection! Setup: 4N Motorsports GT Turbo kit w/ Borg Warner EFR8474 4N Motorsports 3.5" custom titanium midpipe SSR 4 pin crank hub fix Akrapovic rear exhaust PR Stage 3 Brushless LPFP Dorch Lift Kit EU5 Injectors MHD Software NGK Spark Plugs B58 Coils Bend Calibration Ultimate Filter Kit BP Engineering Titanium J-Pipe Wagner Top Mount Intercooler Fall-Line DCT Ultimate Cooling Kit BimmerWorld DCT Quick-Overfill Kit BimmerWorld "Oil Overfill Kit" Mosselman Oil Thermostat PWR Engine Oil Cooler PWR Aux Heat Exchangers (Right & Left) CSF DCT Oil Cooler CSF Heat Exchanger
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01-16-2023, 02:28 PM | #2 |
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Looks like a fun setup! Congrats!
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01-16-2023, 05:34 PM | #3 |
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Damn!
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01-16-2023, 08:06 PM | #6 |
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Congrats, that 8474 putting in some work!
I'd like to share this video comparing EFR 8474 vs G35-1050, two turbos F80 folks look at for stock motor. Was an eye opener for me. https://youtu.be/FyhIDBynoFM
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01-16-2023, 08:10 PM | #7 |
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Congrats, very nice. I’ve been following your build closely. Great numbers on 93 pump gas, 4N makes the best turbo kit on the market so 600whp is no problem on pump gas. Did you happen to consider any of the single inlet intercoolers out there? I’m curious about the delta between the dual and single inlet. Wagner and EOS both offer their own single inlet intercooler.
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01-17-2023, 09:51 AM | #8 |
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01-17-2023, 02:14 PM | #9 | |
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Thanks man! 🙏🏽 The sound is intoxicating in person. The video doesn’t do any justice. [QUOTE=Commanderwiggin;29741216]Looks like a fun setup! Congrats! Thanks!! The setup is a handful to say the least. Lol
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01-17-2023, 04:27 PM | #10 | |
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01-17-2023, 09:27 PM | #11 |
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Nice numbers! I'm especially impressed with the performance on 93oct. How much boost were you running on that 93oct pull? Also, do you mind sharing who your tuner is? I'm considering the 4n kit for my n55.
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01-18-2023, 09:34 AM | #12 |
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Very cool. I'm only interested in the 93 numbers as it's hard/impossible to find E50 or E anything at road courses, at least around here.
But the 93 numbers look nice! not a ton of torque but plenty of power! How is the lag over 4k rpm? I suppose the water injection system is intact and doing its thing? |
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01-18-2023, 10:41 AM | #14 | ||
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Lag??? Nahhh man...Pulls like a freight train once you get around 3400 rpm. Yes, water injection works like normal and drinks water like a fish! I wouldn't have it any other way. Quote:
I can easily run full e85 but, I really don't see a need. IMO this is already a ton of power and a lot to handle. No need for meth injection at all. I already have factory water injection. This setup is what I call keeping it simple. No extra crap like PI w/ Reflex+, meth, etc...my motto is keep it simple. This build is for track usage.
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01-19-2023, 01:28 AM | #16 |
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I’m curious what gains a set of Schrick Cams would net you on this exact same setup. I see the turbo pushes power well beyond 7000 RPM.
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02-01-2023, 10:48 AM | #19 | ||
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02-06-2023, 01:46 PM | #20 |
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93 octane was around 25-26 psi and 28-29 psi on e50. 4N kit is the best! There are some minor tweaking that needs to be done as its a tuner kit but, nonetheless they're the only vendor on the market that I know that has the equal length manifold design which is the key! I'm not a fan of the shorty long style.
.[/QUOTE] Would you mind describing some of the minor tweaks you needed to do for install? Any fab work necessary? Just trying to get a feel for the level/type of tweaking needed. |
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02-09-2023, 03:55 PM | #21 | |
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Yes, you will need to fab the exhaust and possibly do some cutting depending on your air intake choice. I don't think the air filter in the engine bay is a great option so I opted for the front mount which requires some cutting.
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02-10-2023, 07:55 AM | #22 |
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Great numbers! Does this turbo have a internal wastegate? Or did you run an external one? And if so, does it dump back into the downpipe or separately?
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