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  1. #1
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    Weistec Engineering developing Mercedes McLaren SLR M155K V8 twin turbocharger package

    Big news here from Weistec Engineering who has managed to keep their Mercedes-Benz McLaren SLR twin turbocharger development under wraps until now. The Mercedes-Benz McLaren SLR as you know has an M155K supercharged 5.5 liter AMG V8 which is based on the M113K supercharged 5.5 liter V8 familiar to us from the W211 generation E55 AMG. Weistec decided to remove the supercharger on the SLR and add a pair of turbochargers in.

    The Weistec SLR Biturbo system is still under development so few details will be shared at this time. What we can tell you is it will be officially released later this year. Additionally, Weistec will have M155K V8 built motor options with forged internals for those that want big boost. The system will be sold as a package.

    As far as power figures expect some eye opening numbers when the time comes.

    Click here to enlarge

    Click here to enlarge

    The Weistec SLR McLaren Biturbo System is the pinnacle of SLR performance. Cast Inconel manifolds flank the 5.5L V8, supplying ball bearing turbochargers and external waste gates with high flowing exhaust gases. These gases are then routed via 304 stainless steel downpipes, paired with aerospace grade bellows, and connect to the mufflers. The biturbo’s forced air charge is tri-cooled via an additional intercooler and cooling circuit working in conjunction with the factory intercoolers, allowing for high performance and consistency in any climate.


    Official Release Fall 2014
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    1 out of 1 members liked this post. Yes Reputation No
    Absolutely beautiful!

  3. #3
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    That it is. This is highly impressive.

    I'm wondering who gave their SLR for the development? That's awesome.
    Chrome Space Bar Issue: http://www.boostaddict.com/showthrea...338#post738338


    Stage 2 or 2.5 E9X M3 S65 V8 supercharger kit for sale
    : http://www.boostaddict.com/showthrea...r-kit-for-sale

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    Wow sick !! It took the clk's some time to take down the SLR Mercedes record and that was with the SLR still on the stock blower. I think it's coming back for it's crown ! This thing should be stupid fast

  5. #5
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    maybe i dont need to invest in a 722s after all...
    2009.5 AW E90 335i ZMP - SOLD
    2013 E92 M3 6MT ZCP - Space Grey/Fox Red Click here to enlarge

    Want to Buy: 1977-89 Porsche 911 Turbo Coupe (930)

  6. #6
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    Click here to enlarge Originally Posted by CookieCrisp Click here to enlarge
    maybe i dont need to invest in a 722s after all...
    What I was thinking.
    Chrome Space Bar Issue: http://www.boostaddict.com/showthrea...338#post738338


    Stage 2 or 2.5 E9X M3 S65 V8 supercharger kit for sale
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  7. #7
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    3 out of 3 members liked this post. Yes Reputation No
    Click here to enlarge Originally Posted by Sticky Click here to enlarge
    That it is. This is highly impressive.

    I'm wondering who gave their SLR for the development? That's awesome.
    There was an SLR that was shipped to them from the UAE. I think this might be it.
    Weistec Supercharged SL63 AMG
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    Fastest Overall Mercedes SL Class VBOX 60-130, 6.86-
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    Wow, this should be awesome. Very much liking the sound of this.

    Next it would be awesome if they figured out an M156 turbo setup Click here to enlarge

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    0 out of 5 members liked this post. Yes Reputation No

    This post by dcmetro is hidden due to excessive negative ratings. Click expand to view the post.



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    Very impressive! Can't wait to see what it can do.

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    Click here to enlarge Originally Posted by dcmetro Click here to enlarge
    thanks to the oil-head who provided the devellopement car...
    I don't know what your intention was but this comes off wrong.
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    Stage 2 or 2.5 E9X M3 S65 V8 supercharger kit for sale
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    Click here to enlarge Originally Posted by dcmetro Click here to enlarge
    I'm not sure there will be a big market for this upgrade...unlike the M156 Supercharging market wich is pretty promising I think. I wonder how many M156 SC Kits have been sold yet by Weistec
    This isn't a project to make big money. This to show who's boss.
    Chrome Space Bar Issue: http://www.boostaddict.com/showthrea...338#post738338


    Stage 2 or 2.5 E9X M3 S65 V8 supercharger kit for sale
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    Absolutely amazing! Nice work @Weistec
    Click here to enlarge



    EURO 04 M3 Current Mods:GC DAs, Eibach Sways, PF RTAB's, RE RCAs, INTRAVEE II, Black Roundels, ///MFEST Badges, Depo's, Screen protector for NAV display, VCSL Bumper + Race Lip & CF Trunk & CF Rear Diffusor, DIETZ TV in Motion, SS= V1 Headers + catless pipes + X-Pipe + SS Sport Exhaust, Z8 Starter Button, Lamin-X, OEM CSL interior, OEM CSL Steering, OEM CSL Intake, OEM CSL Roof, MSS54HP + OEM CSL Tune, BBS CH's, LIGHTWERKZ, 355mm ST40 BBK, BW Oil Cooler....

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    2 out of 2 members liked this post. Yes Reputation No
    Sorry for "Oil-head" I didn't want to be derogatory. There is sometimes a little jealousy toward Middle East mega rich people that's why they are somtimes called like that but that's stupid I agree.

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    Absolutely awesome!
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  16. #16
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    I am so jealous that Weistec only does MB's.

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    So what happened with this?

  18. #18
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    Click here to enlarge Originally Posted by zod Click here to enlarge
    So what happened with this?
    I saw the were working on it in March when I visited them. After that no idea.
    Click here to enlarge



    EURO 04 M3 Current Mods:GC DAs, Eibach Sways, PF RTAB's, RE RCAs, INTRAVEE II, Black Roundels, ///MFEST Badges, Depo's, Screen protector for NAV display, VCSL Bumper + Race Lip & CF Trunk & CF Rear Diffusor, DIETZ TV in Motion, SS= V1 Headers + catless pipes + X-Pipe + SS Sport Exhaust, Z8 Starter Button, Lamin-X, OEM CSL interior, OEM CSL Steering, OEM CSL Intake, OEM CSL Roof, MSS54HP + OEM CSL Tune, BBS CH's, LIGHTWERKZ, 355mm ST40 BBK, BW Oil Cooler....

  19. #19
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    Click here to enlarge Originally Posted by zod Click here to enlarge
    So what happened with this?
    I'll see if I can get an update.

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