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  1. #1
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    Weistec Engineering 3.0 liter twin screw SLS AMG M159 V8 supercharger kit preview

    Weistec has several supercharger options available for the M156 V8 found in 63 AMG vehicles including 50 State Legal, Stage I, Stage II, Stage II, and Stage III kits. The SLS AMG has a slightly different motor (M159) and layout and thus far Weistec has offered a 2.3 liter supercharger for the SLS they call their SLS 750 system. Recently on the Benzboost M156/M159 forums users asked where the 3.0 liter blower for the SLS AMG M159 was and now they have their answer. It's right here.

    Weistec brought out their SLS AMG fitted with a 3.0 liter twin screw to the Mercedes Madness event this past weekend in Anaheim, California. As you can see in the photos below, Weistec is running the 3.0 liter on the SLS and doing durability testing in anticipation of official release. The supercharger system is still being tweaked but this is what Benzboost learned.

    Expect horsepower in the 7XX wheel range on 91 octane pump gas. Over 700 wheel on pump gas? Incredible. There has been some testing on other fuels and horsepower in the 8XX wheel range has been achieved on stock M159 internals with the 3.0 liter blower.

    This is going to be an unrivaled option for the SLS AMG in the marketplace offering the most horsepower and torque. If you have an SLS AMG and want big performance that can be used daily on pump gas, look no further. Expect an official release before the end of the year.

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    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

  2. #2
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    3 liters of madness.
    Burger Motorsports
    Home of the Worlds fastest N20s, N54s, N55s, S55s, N63s, and S63s!

    It is the sole responsibility of the purchaser and installer of any BMS part to employ the correct installation techniques required to ensure the proper operation of BMS parts, and BMS disclaims any and all liability for any part failure due to improper installation or use. It is the sole responsibility of the customer to verify that the use of their vehicle and items purchased comply with federal, state and local regulations. BMS claims no legal federal, state or local certification concerning pollution controlled motor vehicles or mandated emissions requirements. BMS products labeled for use only in competition racing vehicles may only be used on competition racing vehicles operated exclusively on a closed course in conjunction with a sanctioned racing event, in accordance with all federal and state laws, and may never be operated on public roads/highways. Please click here for more information on legal requirements related to use of BMS parts.

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    Some amazing numbers expected for 91 pump.

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    I didn't see anything on their website about upgrades to the dual clutch trans for the 750 package. I find it hard to believe it holds up well with the 600ish wheel much less 700ish wheel. This is not intended to be negative just fact finding as I consider the SLS a potential next car for me.

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    Click here to enlarge Originally Posted by CaliforniaBred Click here to enlarge
    Some amazing numbers expected for 91 pump.
    Exactly.
    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

  6. #6
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    Click here to enlarge Originally Posted by PianoProdigy Click here to enlarge
    I didn't see anything on their website about upgrades to the dual clutch trans for the 750 package. I find it hard to believe it holds up well with the 600ish wheel much less 700ish wheel. This is not intended to be negative just fact finding as I consider the SLS a potential next car for me.
    You raise a good point but I believe they have solutions. @Weistec
    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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    Click here to enlarge Originally Posted by PianoProdigy Click here to enlarge
    I didn't see anything on their website about upgrades to the dual clutch trans for the 750 package. I find it hard to believe it holds up well with the 600ish wheel much less 700ish wheel. This is not intended to be negative just fact finding as I consider the SLS a potential next car for me.
    Was going to post the same thing no way those clutches are holding that power your talking about %50+ more power than stock levels. The Multi Clutch Trans(MCT) thats in my car(2012 c63) has a limit of 670whp and thats directly from weistec. MCT while not as responsive as the DCT i would imagine it would be stronger since its the same trans on the m157 biturbo models and handles the boatload of torque that engine dishes out from down low.

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    Are the c/f air boxes from WEISTEC?Any gains with them?Would like to have them for my SLS.

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    Click here to enlarge Originally Posted by cturbos Click here to enlarge
    Are the c/f air boxes from WEISTEC?Any gains with them?Would like to have them for my SLS.
    Yes those are from Weistec. I don't know if they are to match the engine bay or designed to improve function.
    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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    Gentlemen thank you all for the interest in our SLS systems. It is just a matter of time when people start asking why the SLS system is the last to run the 3.0L compressor. We would like to give out a few details however this system is constantly evolving because we are trying to make this our best system yet.

    The 3.0L SLS system will be sold to customers as a package only. These cars are very sensitive to any modifications, and we are hoping some of the SLS owners can chime in on this. Simply installing a set of long tube headers can be a big head ache on these cars because of O2 sensor placement. You will see constant RPM fluctuation due to erratic fuel trim changes and very sensitive and unexpected throttle pedal feel.

    For this reason we have designed a proper header and mid-pipe combination that works great with these cars, and allows the supercharger system to work even better. Details on this will come later. We have also been testing a DCT clutch upgrade for the past 6-7 months.

    The 3.0L SLS package will consist of the complete supercharger system upgrade, high flow exhaust, and the DCT clutch upgrade. In testing, this package is extremely powerful and is our fastest combination yet. Again, we will have many more details soon but as of now we are still testing. Thanks again guys.

    Weistec Engineering
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    Home of the World's Fastest Mercedes

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  11. #11
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    Click here to enlarge Originally Posted by Weistec Click here to enlarge
    Gentlemen thank you all for the interest in our SLS systems. It is just a matter of time when people start asking why the SLS system is the last to run the 3.0L compressor. We would like to give out a few details however this system is constantly evolving because we are trying to make this our best system yet.

    The 3.0L SLS system will be sold to customers as a package only. These cars are very sensitive to any modifications, and we are hoping some of the SLS owners can chime in on this. Simply installing a set of long tube headers can be a big head ache on these cars because of O2 sensor placement. You will see constant RPM fluctuation due to erratic fuel trim changes and very sensitive and unexpected throttle pedal feel.

    For this reason we have designed a proper header and mid-pipe combination that works great with these cars, and allows the supercharger system to work even better. Details on this will come later. We have also been testing a DCT clutch upgrade for the past 6-7 months.

    The 3.0L SLS package will consist of the complete supercharger system upgrade, high flow exhaust, and the DCT clutch upgrade. In testing, this package is extremely powerful and is our fastest combination yet. Again, we will have many more details soon but as of now we are still testing. Thanks again guys.

    Weistec Engineering
    There you guys go, thanks.
    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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    Sorry guys one thing we forgot to mention. We will have the air boxes and dry sump oil tank cover available very soon. Both pieces are made in house and are designed to give the engine bay the finishing touch. Thanks.

    Weistec Enginering

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    I can vouch for WEISTEC about the headache installing headers on mine till i got a word from WEISTEC about the relocation of the O2 sensors then all is good.I'll be waiting for the C/F boxes.

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    Weistec upping the AMG Aftermarket ante once again.

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    Click here to enlarge Originally Posted by DFM Click here to enlarge
    Weistec upping the AMG Aftermarket ante once again.
    Exactly. And with the foresight of the transmission taken into account.
    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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    A quick search revealed a TON of these things on the used market, many more than I expected not ever having done any research on them. Excellent...

  17. #17
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    Yeah hoping the SLS keeps dropping.
    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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    $#@! i wish i lived in usa!! sls in aus is 320k for a 2010 model with about 10000kms on it Click here to enlarge

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    Click here to enlarge Originally Posted by Weistec Click here to enlarge
    .

    The 3.0L SLS system will be sold to customers as a package only. These cars are very sensitive to any modifications, and we are hoping some of the SLS owners can chime in on this. Simply installing a set of long tube headers can be a big head ache on these cars because of O2 sensor placement. You will see constant RPM fluctuation due to erratic fuel trim changes and very sensitive and unexpected throttle pedal feel.


    Weistec Engineering
    Hi Steve, Nice car gathering man

    I though the O2 sensors wouldnt be a problem once the relocation is done. Like what I did with mine. Anyway, shouldnt a custom tune fix that?. Im not having these hesitations anymore.


    Anyway, I want this on my car quick. I have been waiting for this to be released. When is the expected date.?

    Honestly, I have been hearing complaints with your superchargers with SLS's that are fitted with longtubes that they are not runnin properley. Will this be fixed with the new headers your designing. You have photos?

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    Click here to enlarge Originally Posted by SLS AMG Click here to enlarge
    Hi Steve, Nice car gathering man

    I though the O2 sensors wouldnt be a problem once the relocation is done. Like what I did with mine. Anyway, shouldnt a custom tune fix that?. Im not having these hesitations anymore.


    Anyway, I want this on my car quick. I have been waiting for this to be released. When is the expected date.?

    Honestly, I have been hearing complaints with your superchargers with SLS's that are fitted with longtubes that they are not runnin properley. Will this be fixed with the new headers your designing. You have photos?
    They already commented on this:

    Click here to enlarge Originally Posted by Weistec Click here to enlarge
    For this reason we have designed a proper header and mid-pipe combination that works great with these cars, and allows the supercharger system to work even better.

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    Click here to enlarge Originally Posted by SLS AMG Click here to enlarge
    Hi Steve, Nice car gathering man

    I though the O2 sensors wouldnt be a problem once the relocation is done. Like what I did with mine. Anyway, shouldnt a custom tune fix that?. Im not having these hesitations anymore.


    Anyway, I want this on my car quick. I have been waiting for this to be released. When is the expected date.?

    Honestly, I have been hearing complaints with your superchargers with SLS's that are fitted with longtubes that they are not runnin properley. Will this be fixed with the new headers your designing. You have photos?
    not trying to be a jerk or anything but you write you want this setup right away and then in the next sentence , you write that you have been hearing complaints Click here to enlarge

    sounds like they fixed any issues that they may have had . buy it and post the results cuz I would love to see it in action !
    Click here to enlarge

    TIME TO MOVE ON !

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    We state on our website that the SLS 750 system can only be used with stock exhaust. It becomes difficult to stop customers from installing other parts on their cars.

    The only solution to fixing the problem with current SLS headers on the market is moving the O2 sensor in one primary. It is a complete band aid solution but it does work for customers that run NA. Proper O2 placement is key and this means reading exhaust gases from all cylinders. Tuning can only take us so far but the hardware (headers) needs to be corrected. This is our intention. Hope this helps.

    Weistec Engineering
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    Home of the World's Fastest Mercedes

    CONNECT WITH US
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    Click here to enlarge Originally Posted by BAD430BENZ Click here to enlarge
    not trying to be a jerk or anything but you write you want this setup right away and then in the next sentence , you write that you have been hearing complaints Click here to enlarge

    sounds like they fixed any issues that they may have had . buy it and post the results cuz I would love to see it in action !


    You dont have a clue about what your talking!

    I have seen the M159 SLS that steve @Weistec built in the UAE with a 3.0L Long before that grey SLS above. It was having issues with the supersprint longtubes.

    Another friend of mine who sent his SLS with SS longtubes recently to Weistec for a 2.3L, also has some issues and the car is not putting power to the ground consistently.

    I know about the headers they are making. Steve told me about it one year ago. He told me that and the upgraded clutch will work perfectly for the 3.0L. Thats why I havent installed it yet and I'm waiting for the products to be released.

    Here is a photo you havent seen:

    Click here to enlarge


    This was one year ago with Weistec's Dealer Mr. Mathia Belluci in the UAE. . Same person who fitted the 3.0L on @Jacob502 SL63. Do you see that 3.0L on the SLS engine?Click here to enlarge

    Again, not putting Weistec down. I'm sure they will have it figured out and I for one will be waiting for it! They are the BEST

    My SLS is already a beast. with this 3.0L system it will draw flames from hell on the streets of Qatar. NO DOUBTClick here to enlarge

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    2 out of 2 members liked this post. Yes Reputation No
    Click here to enlarge Originally Posted by Weistec Click here to enlarge
    We state on our website that the SLS 750 system can only be used with stock exhaust. It becomes difficult to stop customers from installing other parts on their cars.

    The only solution to fixing the problem with current SLS headers on the market is moving the O2 sensor in one primary. It is a complete band aid solution but it does work for customers that run NA. Proper O2 placement is key and this means reading exhaust gases from all cylinders. Tuning can only take us so far but the hardware (headers) needs to be corrected. This is our intention. Hope this helps.

    Weistec Engineering
    Thanks for clarifying. some cluless people need to know!

    I'll have my bro speak with you soon!Click here to enlarge

  25. #25
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    Click here to enlarge Originally Posted by SLS AMG Click here to enlarge
    Anyway, I want this on my car quick. I have been waiting for this to be released.
    If I had an SLS this is exactly what I would put on it.
    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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