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BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST > Technical Forums > B58 Turbo Engine / Drivetrain / Exhaust Modifications > VTT B58TU GC Results
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      06-13-2021, 10:29 AM   #1
Chris@VargasTurboTech
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VTT B58TU GC Results

This applies to you B58TU guys, we did this in our Supra, but its the same turbo for the BMW 6-Port TU guys as well.

VTT is excited to announce our B58TU GC results are finished, and we will be moving on the GC-MID, and GC+. The GC did not disappoint by hitting its rated WHP by making 603WHP/633WTQ. Just bolting the unit onto the car with no changes it picked up 80+WHP up top over the stock unit. It really started to shine once the tuning began. We also show the progression of the car, red is the stock baseline, blue is stock turbo on a very conservation BM3 E85 tune, Green is GC on that same Bm3 E85 tune, and yellow is GC on Payn E85 flex tune. As you can see the unit spool basically as quickly as the stock turbo does.

We also are not ones to post dyno numbers only, we took it out for a quick dragy hit, we did one run only starting in 4th gear, and clicked off a solid 6.54 second 60-130, for you metric guys that's a 5.64 100-200. Huge thanks to Jeffrey T. Payn for the tuning, we really put this turbo through its paces clocking in at almost 65 dyno pulls. Mods are the car at the time of the dyno are as follows

2020 Supra LE
  • VTT GC
  • ECUtekTune by Payn
  • VTT Silicone intake
  • VTT Silicone Charge pipe
  • VTT High Side Catch can
  • VTT Crankcase Breather
  • VTT Chromoly Driveshaft
  • VTT Front, and rear small brake kits
  • DSS Axles
  • Catless DP
  • EOS PI injection plate with 550CC injectors
  • Motiv Reflex, with flex-fuel, and LPFP sensor
  • PFS Brushless LPFP
  • TI Exhaust
  • Rays 19" gram lights for dyno, Weld 15" rear with Hoosier DR, and 17" front for 60-130
  • E85

Mods after the dyno, before the 60-130. We lost one Port injector (it got stuck open) we had an EOS manifold here so instead of just swapping the injectors in the plate, we decided to install the manifold. So for the GC-mid, and GC+ testing they will be done with the above mods, and the EOS manifold.

We are very excited to get these in stock so we can release them to the public. We always do torture testing on our units before we release! They can be pre-ordered here with a release date estimated at 6-90 days: https://vargasturbo.com/product/vtt-...arger-upgrade/

Any questions feel free to email Sales@vargasturbo.com
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      06-15-2021, 08:56 AM   #2
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lets see some logs with intake inlet and charge pipe outlet temps logged over a run more then 7-8 seconds (stabilization time of the stock sensors), like 0-200km should do it, or good 1/4 mile, that will tell us compressor efficiency in the car at the boost level of the run, this is really how we should compare different turbo

WGDC is also interesting, but that will depend on the housing and the exhaust turbine, so that not really comparable in most case, so form what the car can log as standard parameters we really only have the compressor efficiency that we can calculate to compare different turbos with
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      06-15-2021, 09:03 AM   #3
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Nice
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      06-15-2021, 03:33 PM   #4
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Quote:
Originally Posted by Chris@VargasTurboTech View Post
You mean the company drop shipping generic B58 turbos from China? Good luck with that. The only people that question VTT customer service are people that have never been VTT customers. Once you are a customer you understand all the internet BS is just that BS. #FACTS

Unfortunately I WAS a customer with VTT and got screwed by your support team! And DAW turbos are made in USA LOL, get your facts straight about your competition. But that does remind me .... most if not all of VTT products are made in CHHHYYYYNA (including all those turbos).

That being said, you should be the last person throwing Chinese quality under the bus, as your turbos are straight from China.

Last edited by f30b58pwr; 06-15-2021 at 05:28 PM..
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      06-17-2021, 12:28 AM   #5
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@chris@vargasturbotech ..... really deleted that comment huh LOLOL ... As soon as you found out DAW is made in USA.

Anyways, for anyone wondering what my previous reply to Vargas was... since he deleted it

Originally Posted by Chris@VargasTurboTech: "You mean the company drop shipping generic B58 turbos from China? Good luck with that. The only people that question VTT customer service are people that have never been VTT customers. Once you are a customer you understand all the internet BS is just that BS. #FACTS"

Also screenshotted this, incase ya remove the thread lol
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      06-17-2021, 02:29 AM   #6
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I have a GC. I drove 50,000 km on it. There are no complaints about the turbine. By and large, it makes no difference where the components are produced and the product is assembled. It's another matter if they hide it.
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      06-17-2021, 08:34 AM   #7
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Quote:
Originally Posted by f30b58pwr View Post
@chris@vargasturbotech ..... really deleted that comment huh LOLOL ... As soon as you found out DAW is made in USA.

Anyways, for anyone wondering what my previous reply to Vargas was... since he deleted it

Originally Posted by Chris@VargasTurboTech: "You mean the company drop shipping generic B58 turbos from China? Good luck with that. The only people that question VTT customer service are people that have never been VTT customers. Once you are a customer you understand all the internet BS is just that BS. #FACTS"

Also screenshotted this, incase ya remove the thread lol
No sir we did not delete anything, looks the admins did. Screenshot all you want. Let us know another vendor with logos CAST into their B58 housings. We will wait. This means we have spent more than 100K to cast our own housings across 6 different turbos needed to fit the different B58 versions. We OWN all our own molds, looks like someone has copied one of our molds, and removed the logo, and now this company is dropshipping turbos directly from China. Every single turbo VTT sells is assembled in the USA, boxed in the USA, and ships from the USA. This cannot be said of 99% of the vendors doing business in this platform. Screenshot this too. As stated the ONLY people who say anything negative about VTT customer service, have never been customers. Simply internet trolls.
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      08-02-2021, 02:43 PM   #8
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where can you see the results b58 gen1 on gc + turbo?
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      09-02-2021, 10:34 AM   #9
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Flash sale for those looking to save significant coin on a turbo purchase!


https://f30.bimmerpost.com/forums/sh...8#post27990428
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      09-25-2021, 05:33 AM   #10
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Another result from M140IX with GC turbine. Methanol port installed.
Fuel E25. Мет 100%
Target 28psi in the middle and 27psi at high revs. Timing 16.
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M140IX. Turbo VTT GС,Flash Wedge Steven.
xHP stage 3.Drag Mod. CSF. Dorch 2. E35+WMI Port. 1620kg. 1/4ml 10.22s. 100/200 5.61s +15C.
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      09-25-2021, 02:17 PM   #11
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Quote:
Originally Posted by Glemm1970 View Post
Another result from M140IX with GC turbine. Methanol port installed.
Fuel E25. Мет 100%
Target 28psi in the middle and 27psi at high revs. Timing 16.
this is gen one b58 correct? great numbers
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      09-26-2021, 08:37 AM   #12
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Quote:
Originally Posted by mike082802 View Post
this is gen one b58 correct? great numbers
Yes. This is Gen 1. I think this is the ultimate power and the best time for GC.
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xHP stage 3.Drag Mod. CSF. Dorch 2. E35+WMI Port. 1620kg. 1/4ml 10.22s. 100/200 5.61s +15C.
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