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    • Renntech M157 (63 AMG bi-turbo V8) turbocharger upgrade officially available for purchase - $11,850

      Here it officially is, the Renntech M157 turbo upgrade package which will retail for $11,850. Several dynos has been posted showcasing the strength of this package including a 691 wheel horsepower run on 93 octane pump gas which they when were able to raise to 725 wheel horsepower being the first and only tuner to crack the 7XX horsepower barrier on pump gas. Very impressive results and huge gains over the stock cars.

      Pictures and graphs below.



      Key Features:

      • RENNtech Ball Bearing Garrett derived turbo chargers
      • Larger impeller (inlet) and turbine (exhaust) cartridge
      • Cartridge shaft is larger and stronger to support larger wheels
      • Entire cartridge is fine balanced as an assembly
      • Lightweight forged billet wheels
      • Less rolling resistance offers quicker spooling
      • Virtually no lag with impressive throttle response
      • Precision machined impeller and turbine housings
      • Leak proof, high quality lines and fittings with heat shielding
      • 833 Hp and 980 TQ @ crank








      This article was originally published in forum thread: Renntech M157 (63 AMG bi-turbo V8) turbocharger upgrade officially available for purchase - $11,850 started by Sticky View original post
      Comments 40 Comments
      1. m54b25's Avatar
        m54b25 -
        We've done 10.7's @ at better 60' due to better traction on stock turbos:



        The difference it's the traction with our turbo upgrade for a 1/4 mile & we don't use RaceStart (launch control). We are confident that the trap speed of 136-7mph will do a 10.2-3 in full street trim + drag radials. So comparing current RT Turbo upgrade 60' 1.8sec vs 60' 1.6sec tells you alot about traction.

        I can assure you a mile run event it will smoke any stock turbos configuration besides just 1/4 mile Click here to enlarge

        Click here to enlarge Originally Posted by SLS AMG Click here to enlarge
        Like I said, they arent really larger turbos. They were created to handle the power and heat dissapation. The car is basically a Tune + Exhust powered car, and it still tapped 10.8Click here to enlarge





        Propabley. I wont disagree with you there, but can you explain how this "720hp" car is only 0.2 seconds away from your claimed "833hp" car which ran in a better condition in the USA

        Oh, and we are coming out with larger turbos from a very well know Euro compnay, be patent and i'll make a thread soon!



        Look Mark,
        Not trying to cause a beef with you. Renntech are record holders and they currently have the fastes M157 on record. I dont like how you are poking at Weistec and PP-P. That is not proffesional. In addition,I dont think the 833hp rating is correct. thats all. Your turbos look good congrats. I hope you achieve better ET's in the near future
      1. Puerto Rican 335d's Avatar
        Puerto Rican 335d -
        Abu-Dhabi is apporx 2 hours away if not mistaken from Dubai UAE. i practically lived in the middle east while in the NAVY in the 90's so I know what is what. I refered to the guys in Russia cause they were using PP Performance and their accomplishments. Read closely what i wrote amigo AMG Click here to enlarge
      1. Puerto Rican 335d's Avatar
        Puerto Rican 335d -
        Lenny isnt that HARTMUT's car I see running the 1/4 mile
      1. SLS AMG's Avatar
        SLS AMG -
        Click here to enlarge Originally Posted by m54b25 Click here to enlarge
        I can assure you a mile run event it will smoke any stock turbos configuration besides just 1/4 mile Click here to enlarge
        I sure hope so for your sake!
      1. SLS AMG's Avatar
        SLS AMG -
        Click here to enlarge Originally Posted by Puerto Rican 335d Click here to enlarge
        Abu-Dhabi is apporx 2 hours away if not mistaken from Dubai UAE. i practically lived in the middle east while in the NAVY in the 90's so I know what is what. I refered to the guys in Russia cause they were using PP Performance and their accomplishments. Read closely what i wrote amigo AMG Click here to enlarge

        I know Exaclty what I read and this was it:
        Click here to enlarge Originally Posted by Puerto Rican 335d Click here to enlarge
        Amigos cant we just get along here, we are comparing cars from DIFFERENT sides of the world, I cant speak for the guys in DUBAI or Russia
        You were refering to the white CLS63 which was in Abu-Dhabi and NOT Dubai AmigoClick here to enlarge
      1. Puerto Rican 335d's Avatar
        Puerto Rican 335d -
        yes i wrote that but to me its the same place UAE!!!! I refered to Dubai cause i went there the most and not Abu-Dhabi where the carriers and oilers went when i was in the Navy, my aplogies if you misunderstood Click here to enlarge
      1. SLS AMG's Avatar
        SLS AMG -
        Click here to enlarge Originally Posted by Puerto Rican 335d Click here to enlarge
        yes i wrote that but to me its the same place UAE!!!! I refered to Dubai cause i went there the most and not Abu-Dhabi where the carriers and oilers went when i was in the Navy, my aplogies if you misunderstood Click here to enlarge
        No worries. Its ok. They are actually one hour away from eachother and not two. well actually, 35 minutes if you drive like I do ahahahah
      1. m54b25's Avatar
        m54b25 -
        Click here to enlarge Originally Posted by SLS AMG Click here to enlarge
        I sure hope so for your sake!
        Obviously! After 1 year of testing on our own RT CLS63 & 3 Prototype turbo configurations test later w/Honeywell Garrett experts (same supplier for the OEM M278/M157 turbo). Customers won't be disappointed!
      1. SLS AMG's Avatar
        SLS AMG -
        Click here to enlarge Originally Posted by m54b25 Click here to enlarge
        Obviously! After 1 year of testing on our own RT CLS63 & 3 Prototype turbo configurations test later w/Honeywell Garrett experts (same supplier for the OEM M278/M157 turbo). Customers won't be disappointed!
        I wish you luck. Good job
      1. Sticky's Avatar
        Sticky -
        Click here to enlarge Originally Posted by SLS AMG Click here to enlarge
        I dont like how you are poking at Weistec and PP-P.
        Other people brought up Weistec and PP-P not Renntech...
      1. Sticky's Avatar
        Sticky -
        Click here to enlarge Originally Posted by SLS AMG Click here to enlarge
        I sure hope so for your sake!
        Any turbo upgrade M157 will run away from any tune only M157. It's just a physical impossibility otherwise.
      1. LZH's Avatar
        LZH -
        Click here to enlarge Originally Posted by Sticky Click here to enlarge
        You jump all over people pointlessly without having all the info.

        Whenever Renntech sends me dynos, they send SAE, STD, and even uncorrected. No other tuner sends me as many runs. Go do a search and take a look if you like.

        Secondly, everyone is modifying the stock housings at the moment. This is just the beginning. Over 700 whp on pump gas isn't impressive to you? Calling it pathetic? Um ok, whatever you say.
        You expect anything different from him ? Click here to enlarge

        Now he's got some time to think about it LOL.


        Props to Renntec, very impressive runs considering the tune, fuel and tires. They're stepping up the game.
      1. sadranacus63's Avatar
        sadranacus63 -
        anybody know what kind of exhaust setup the Renntech silver CLS is running? Is it catless or sport cats down pipes? Has the resonator been deleted?

        Thanks!!
      1. Jacob502's Avatar
        Jacob502 -
        Click here to enlarge Originally Posted by sadranacus63 Click here to enlarge
        anybody know what kind of exhaust setup the Renntech silver CLS is running? Is it catless or sport cats down pipes? Has the resonator been deleted?

        Thanks!!
        I believe it is catted With 200Cells


        BTW, Excellent Turbo upgrade Renntech. Power looks good. @m54b25 can you tune this for race fuel ?
      1. amclint's Avatar
        amclint -
        Just saw this, great work RennTech!

        Also to anyone wanting to talk about 1/4 mile runs as a power comparison:
        ET is traction + power + shift speed, trap speed is power + shift speed, if you're trying to argue about two cars leave out the ET unless you're talking ET+60', just look at the trap speeds for a better comparison of power.
      1. VargasTurboTech's Avatar
        VargasTurboTech -
        Question out of total curiosity. Does this turbo come with a tune for that price or is that turbos only? Great numbers guys.
      1. Sticky's Avatar
        Sticky -
        Click here to enlarge Originally Posted by VargasTurboTech Click here to enlarge
        Question out of total curiosity. Does this turbo come with a tune for that price or is that turbos only? Great numbers guys.
        With tune.
      1. VargasTurboTech's Avatar
        VargasTurboTech -
        Click here to enlarge Originally Posted by Sticky Click here to enlarge
        With tune.
        Thanks Sticky, just cruising around the different forums, checking stuff out.
      1. Sticky's Avatar
        Sticky -
        Click here to enlarge Originally Posted by VargasTurboTech Click here to enlarge
        Thanks Sticky, just cruising around the different forums, checking stuff out.
        Or planning ahead Click here to enlarge
      1. VargasTurboTech's Avatar
        VargasTurboTech -
        Click here to enlarge Originally Posted by Sticky Click here to enlarge
        Or planning ahead Click here to enlarge
        or that....Click here to enlarge