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  1. #1
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    685 WHP 765 WTQ Weistec AMG 63 Biturbo M157 Downpipes and Exhaust

    Stock turbos on 93 Octane pump gas. Dynojet is on th e approved SAE correction. I think this is the biggest gain I have seen for a stock turbo with downpipes + tune

  2. #2
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    Damn, that's pretty insane. 685 whp on stock turbos. And they're hitting like 750whp on their upgraded ones. Weistec is on a roll.
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  3. #3
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    Weistec 63 AMG bi-turbo M157 V8 tune and downpipe Dynojet dyno results for 91 and 93 octane pump gas - 684 wheel horsepower

    Very nice results here from Weistec engineering for their M157 twin turbo 5.5 liter V8 tune along with their M157 downpipe upgrade on a stock turbo M157 on both 91 octane and 93 octane pump fuel. The tune alone on 91 octane pump gas was previously shown as providing 618 wheel horsepower on a Dynojet. The addition of the Weistec downpipes combined with the ECU tune raises this output on 91 octane to 647 wheel horsepower in SAE correction.

    That clearly shows the downpipes making a very nice difference. Torque figures rise from 667 pound-feet at the wheels to 766.19 with the downpipes. That is not a typo, that is a gain of almost exactly 100 pound-feet at the wheels. Very, very impressive.

    The 93 octane pump gas figure shows a peak of 684 wheel horsepower for the tune and downpipes. The torque figure is basically the same as the 91 octane figure with a peak of 765 pound-feet at the wheels. The 93 octane fuel making a difference as rev climb past 4250 rpm allowing more peak horsepower. Below that RPM the torque is the exact same as on 91 octane.

    Dyno graph and video below, great work by Weistec showing off the quality of their downpipe solution for the M157.

    Click here to enlarge

    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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    These numbers are just obscene.

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    Wow.
    Click here to enlarge

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    Muy bien Weistec.

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    Click here to enlarge Originally Posted by BK63AMG Click here to enlarge
    These numbers are just obscene.
    This motor will be seeing huge numbers relatively quickly. I mean it already is.
    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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    what a beast!

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