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  1. #26
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    Click here to enlarge Originally Posted by Barfly Click here to enlarge
    They just aren't high quality, they are cast but word is not even on par with the old 55K pistons. Again this would be MB not letting the 63 potentially outrun the 65.
    Does the performance package change internals at all?

    Click here to enlarge Originally Posted by Barfly Click here to enlarge
    I think since it's an open track car the M156 would be more fitting, especially with some SLS upgrades. Time will tell.
    They have already done the M156 in two iterations a third seems redundant. I just hope it really raises the bar either way.
    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 Sticky Click here to enlarge
    Does the performance package change internals at all?
    Nope.


    They have already done the M156 in two iterations a third seems redundant. I just hope it really raises the bar either way.
    I just hope they do one with the M159/SLS Click here to enlarge

  3. #28
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    Click here to enlarge Originally Posted by Barfly Click here to enlarge
    I just hope they do one with the M159/SLS
    How does the M159 differ from say the M156 P31?
    Stage 2 or 2.5 E9X M3 S65 V8 supercharger kit for sale: http://www.boostaddict.com/showthrea...r-kit-for-sale

  4. #29
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    2 out of 2 members liked this post. Reputation: Yes | No
    Click here to enlarge Originally Posted by Sticky Click here to enlarge
    How does the M159 differ from say the M156 P31?

    this was from another thread when I asked the diff between m156 and m159


    Click here to enlarge Originally Posted by MHP LLC Click here to enlarge
    You can use SLS heads with a M156 intake manifold, they have 40mm int. valves and 34mm exhaust valves vs 40/33 for M156 heads, however ported M156 heads will flow better than stock SLS heads, so it's kind of a toss up as to which is more cost effective. Ported SLS heads would be the way to go but also the most expensive and we are talking about Maybe 10-15hp difference. The castings are just so good from the factory.



    It has over 170 changes, dry sump, cams, rotating assembly, heads, intake manifold, TB placement, exhaust manifolds, etc. SLS's actually make 600HP stock. A good tune will net another 35HP+ or so. SLS is a 2013 viper chassis essentially so there's a lot more room under that hood plus the dry sump lowers the engine enough that the taller manifold fits. The rot assembly (crank, pistons, rods, rings) is .5 kilo lighter with P31/SLS bottom end vs M156 but static CR is the same 11.3:1 so all the power comes from software not the bottom end. Heads, cams will work but that's about it hardware wise.
    Current:
    14 Viper TA
    Wsir - 1:28:9
    Buttonwillow C13 - 1:54:1

  5. #30
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    Click here to enlarge Originally Posted by DD GT3 RD Click here to enlarge
    this was from another thread when I asked the diff between m156 and m159
    Thank you Sammy.
    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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