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  1. #1
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    **JRCART's Weistec SC Preliminary Dyno Results**

    Here are the long awaited results of the Wesitec M156 Supercharger and Weistec M156 Race Port Heads. Let me be the first to say it was well worth the wait Click here to enlarge

    For those of you not familar with the car here are a few of the mods that matter.

    Vehicle 2008 Mercedes AMG CLK63 Black Series

    Weistec Race Package: Weistec M156 Supercharger, Weistec M156 Race Ported Heads, Cams, Weistec Race Fuel Managment Syetem Fuel Rail, Larger Injectors.

    Longtube Headers, Cat Delete, X-Pipe, AMG Performance Intake

    As you can see the chart reads right about 648rwhp and about 630 ft lbs tq but there is more to the story than that. The car was loosing traction on the dyno at about 5500rpm so the dyno numbers are nowhere near peak. They had two guys sitting in the trunk trying to hold it down with no luck. They are going to do a wheel and tire switch and head back to the dyno tomorrow or Saturday. based on the visible numbers and curve and rpm where loosing grip we can estimate actuall rwhp figures in the 700rwhp range and torque at or above 650 ft lbs. We will update as soon as we get some other numbers.

    BTW, if you're wondering... about 14.5 psi boost Click here to enlarge...on stock internals Click here to enlarge

    Please direct any specific technical questions to Steve at Weistec.

    Click here to enlarge
    Click here to enlarge

    1000+WHP WEISTEC 2008 CLK63 Black Series
    790WHP WEISTEC 2012 C63 Black Series
    725WHP WEISTEC 2014 SLS Black Series

  2. #2
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    Sorry guys got my wires crossed its 640rwhp and 638 torque as you can see on the chart
    Click here to enlarge

    1000+WHP WEISTEC 2008 CLK63 Black Series
    790WHP WEISTEC 2012 C63 Black Series
    725WHP WEISTEC 2014 SLS Black Series

  3. #3
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    WOW! crazy power

    whats witht he hp/tq fall off up top?

  4. #4
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    Moved to M156 engine section.
    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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    Congrats!!!!

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    Click here to enlarge Originally Posted by LostMarine Click here to enlarge
    whats witht he hp/tq fall off up top?
    I don't know, the hp curve shouldn't fall off like that. Maybe fuel?
    Stage 2 or 2.5 E9X M3 S65 V8 supercharger kit for sale: http://www.boostaddict.com/showthrea...r-kit-for-sale

  7. #7
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    Click here to enlarge Originally Posted by LostMarine Click here to enlarge
    WOW! crazy power

    whats witht he hp/tq fall off up top?
    Actually, that may be where it lost traction on the dyno.
    Stage 2 or 2.5 E9X M3 S65 V8 supercharger kit for sale: http://www.boostaddict.com/showthrea...r-kit-for-sale

  8. #8
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    Click here to enlarge Originally Posted by LostMarine Click here to enlarge
    WOW! crazy power

    whats witht he hp/tq fall off up top?
    That's where the tires lost grip with the rollers, that's why we a thinking actuall hp is north of 700. Hopefully the tire and wheel swap will correct the issue. Next Friday it will be on the track, thats gonna be the real dyno test.
    Click here to enlarge

    1000+WHP WEISTEC 2008 CLK63 Black Series
    790WHP WEISTEC 2012 C63 Black Series
    725WHP WEISTEC 2014 SLS Black Series

  9. #9
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    Click here to enlarge Originally Posted by JRCART Click here to enlarge
    That's where the tires lost grip with the rollers, that's why we a thinking actuall hp is north of 700. Hopefully the tire and wheel swap will correct the issue. Next Friday it will be on the track, thats gonna be the real dyno test.
    yea, thats what i was thinking, or if its the initial runs they maybe wanted to take easy up top to check on a few things.

    Either way, its BEASTLY!

    could always just shift at 6200 like us Click here to enlarge

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    Preliminary Weistec M156 CLK63 Black Series Dyno Results - 640 whp

    Here are the preliminary results for JRCART's CLK63 Black Series running the Weistec supercharger. The car has the Weistec race supercharger package which includes the Weistec heads, cams, and fuel system including larger injectors. The car ran 14.5 psi of boost on stock internals which is incredible really. That is a lot of boost for the stock internals to handle. The tires were slipping on the dyno due to the power which can be seen in the graph so these are just preliminary results. They will be trying again with new rubber in the next few days and likely hitting the 7XX whp range.

    Click here to enlarge
    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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    ^ Promoted to front page.
    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 LostMarine Click here to enlarge
    yea, thats what i was thinking, or if its the initial runs they maybe wanted to take easy up top to check on a few things.

    Either way, its BEASTLY!

    could always just shift at 6200 like us Click here to enlarge
    It's 100% where the tires lost grip of the rollers, Steve has video of it and video of it still happeningwith two guys sitting in the trunk trying to plant it but with no such luck. Should be interesting on the track tha's for sure.
    Click here to enlarge

    1000+WHP WEISTEC 2008 CLK63 Black Series
    790WHP WEISTEC 2012 C63 Black Series
    725WHP WEISTEC 2014 SLS Black Series

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    Click here to enlarge Originally Posted by JRCART Click here to enlarge
    It's 100% where the tires lost grip of the rollers, Steve has video of it and video of it still happeningwith two guys sitting in the trunk trying to plant it but with no such luck. Should be interesting on the track tha's for sure.
    Steve is free to post the video himself or e-mail it if he wants.

    Also, Jim did discuss the tire slipping issue with me earlier so that no doubt explains the dip. Look forward to seeing the results with proper traction.

    Didn't think the M156 would really be offering a real challenge to the boosted M3's. If I had known it would develop this way I might be in a 63 of some sort, well done JRCART.
    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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    scribed for updates!

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    Congrats! Im sure those #s will be higher on the new dyno run! 640-700 whp is no joke!

    What LTH are you running?

    14.5 psi is pretty high! To be honest I thought at that boost it would make much more power thou. I mean if the M3 engine is making 600whp at around 7.5-9psi Id think the m156 would make much more with 14.5lbs. Although the m156 is making another level of torque
    Current:
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  16. #16
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    Click here to enlarge Originally Posted by DD GT3 RD Click here to enlarge
    14.5 psi is pretty high! To be honest I thought at that boost it would make much more power thou. I mean if the M3 engine is making 600whp at around 7.5-9psi Id think the m156 would make much more with 14.5lbs. Although the m156 is making another level of torque
    The M3 is going to be more efficient in making hp per pound of boost due to its higher redline, flatter curve, and higher compression.

    However, this is not the final power level for this motor. There is much more in it as you can see with the torque/hp curves dropping off.
    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,impressiveClick here to enlarge
    Click here to enlarge

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    Great numbers!! Definitely worth the wait.

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    That's sick, wow a bar on stock internals?? AMG FTW!!!

    Is the the one at the MBJunkies meet?
    Click here to enlarge

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    Wow... BIG power. Congrats. You must be happy to finally get it on the Dyno. Way to harness that 6.2's power!!

    Put some Drags on this thing and get it to the track. Bets on what it explodes first? I think the engine can handle it but the drivetrain..... Any upgrades to the tranny, axles or Rear?

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    Congrats sir!!!
    Click here to enlarge

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    Click here to enlarge Originally Posted by Karo Click here to enlarge
    That's sick, wow a bar on stock internals?? AMG FTW!!!

    Is the the one at the MBJunkies meet?
    No, that was another Black Series with a Weistec SC. That car has less mods yet it still makes an impressive 550rwhp.
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    1000+WHP WEISTEC 2008 CLK63 Black Series
    790WHP WEISTEC 2012 C63 Black Series
    725WHP WEISTEC 2014 SLS Black Series

  23. #23
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    Congrat Jim! Definately deserved, after all the hell you went through getting it done....
    Eurocharged Performance
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    Amazing results... congrats, hope it holds together for you at the track.

    Are the cams from the SLS/M159? Or aftermarket?

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    Click here to enlarge Originally Posted by propain Click here to enlarge
    Wow... BIG power. Congrats. You must be happy to finally get it on the Dyno. Way to harness that 6.2's power!!

    Put some Drags on this thing and get it to the track. Bets on what it explodes first? I think the engine can handle it but the drivetrain..... Any upgrades to the tranny, axles or Rear?
    One week from today we will be running at the drag strip at Fontana, not an ideal track but we need to get it out on a track to see what it can do nonetheless. Axles are not a major concern, I was sparaying nitrous and making 620rwhp with MT Streets ET's right out of the hole and never snapped an axle however it was not making nearly as much torque, I still don't think the axles will be the weak link.
    Click here to enlarge

    1000+WHP WEISTEC 2008 CLK63 Black Series
    790WHP WEISTEC 2012 C63 Black Series
    725WHP WEISTEC 2014 SLS Black Series

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