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  1. #1
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    Weistec Engineering offering Pagani Huayra M158 V12 tuning and aftermarket parts

    There is high end automotive tuning and then there is this. It makes a lot of sense for Weistec to lend their engineering expertise to the Huayra aftermarket as they have a close relationship with AMG and of course AMG builds the twin turbo V12 engine for the Pagani Huayra.

    Click here to enlarge

    The engine is not your run of the mill M275 twin V12 which Weistec has experience tuning. AMG considerably modified their V12 for Pagani use creating a 6.0 liter M158 V12. The turbochargers, software, oil sump, cylinder heads, valvetrain, and configuration are all quite different.

    The Huayra is rated at 720 horsepower and 740 lb-ft of torque. As you can see in photos Weistec had a Huayra on the dyno rollers and we are begging and pleading for a graph which BenzBoost will try to bring you. One can only imagine how much more power Weistec is getting out of the motor.

    Click here to enlarge

    This is one of those tuning programs where you contact Weistec and they tailor the upgrades to suit the owner. If you have to ask how much money it isn't for you. This is for a select handful of people who want more out of their Pagani Huayra.

    It is interesting to note a handful of owners have already contacted Weistec who provided their engineering services. Obviously you can surmise from the teaser photos that downpipe, exhaust, and software changes are where things begin but the sky is the limit.

    Very, very high end tuning here and exciting to see.

    http://pagani.weistec.com/

    Click here to enlarge

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  2. #2
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    So much want but it will never happen

  3. #3
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    Click here to enlarge Originally Posted by MR747 Click here to enlarge
    So much want but it will never happen
    Same here. I'm annoyed I can't afford this.

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    I could just imagine what this sounds like

  5. #5
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    Click here to enlarge Originally Posted by MR747 Click here to enlarge
    I could just imagine what this sounds like
    Angel's trumpets.

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    This is unfair, i say we bring communism back so us mere mortals can't get tortured like this anymore!

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    Click here to enlarge Originally Posted by SpeedLimit? Click here to enlarge
    This is unfair, i say we bring communism back so us mere mortals can't get tortured like this anymore!
    Agreed. Huayras for everyone. Power to the people.

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    Please Weistec let us have dynographs.....!!!!!!! Click here to enlarge

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    Click here to enlarge Originally Posted by nbrigdan Click here to enlarge
    Please Weistec let us have dynographs.....!!!!!!! Click here to enlarge
    I'm trying to get them. I'm trying hard.

  10. #10
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    WOW, can i get one for Christmas.
    Sticky you got deep pockets, lets split it and share, lol.

  11. #11
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    Click here to enlarge Originally Posted by marcvtec Click here to enlarge
    Sticky you got deep pockets, lets split it and share
    What pockets? I'm not even wearing pants.

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    Great that the V12 is getting some new "love" from a respected tuner.

    I think if they would develop qualitiy headers with lets say kind of GTX30 or GTX35 turbos, there would be a good market to sell quite a few of them to the 600/65 Mercedes people. It would be great, if new "M158-headers and turbos" would fit also in the normal 600/65 cars.

    But great to see some new projects in the Super-Car category, like the Huayra.

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    Hmmm I wonder what exactly was done to update the antiquated V12 that's been in the 65 AMG models to make it Pagani worthy. Always thought that engine was technologically behind the 5.5tt and now 4.0tt in the AMG GTS.

    It'd be interesting to see what it sounds like and what sort of power it put down. For someone able to afford a Pagani, seems to make more sense just to have Pagani put on a louder exhaust which they have and not ruin the driveability or have to deal with the smell of catless downpipes. For example, I don't see anyone really doing this to their McLaren P1.

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    These cars actually sound like $#@! actually. Its the older DOHC V12's that sounded amazing.

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    1 out of 1 members liked this post. Reputation: Yes | No
    Click here to enlarge Originally Posted by 93siro Click here to enlarge
    These cars actually sound like $#@! actually. Its the older DOHC V12's that sounded amazing.

    Are you $#@!ing high? Granted the old V12's did sound like Indy cars, but this sounds glorious....


  16. #16
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    Click here to enlarge Originally Posted by johnnyblaze Click here to enlarge
    Are you $#@!ing high? Granted the old V12's did sound like Indy cars, but this sounds glorious....

    https://www.youtube.com/watch?v=ZVzlMPJGxAE
    That sounds pretty damn good to me...

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    That was like watching another man screw your dream girl...

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    /
    //A L E X A N D R E 1983 Photography///ALX1983.COM

  18. #18
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    Click here to enlarge Originally Posted by SpeedLimit? Click here to enlarge
    That was like watching another man screw your dream girl...
    Basically but I still could not stop watching.

  19. #19
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    The Huayra is very impressive and a very fast car. Also on the track and even in "stock" form.

    I never heard one in real live, but it's normal that the V12-Turbo sound can not be duplicated with a microphone and via Internet. I am sure you have to see and feel the car in real life to form your opinion.

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    I'm curious to see if all these improved Pagani parts can be bolted onto a 6 liter M275. Or even some of them. Basically, this engine just needs to breathe better. Then it's game over.

  21. #21
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    Click here to enlarge Originally Posted by leveraged sellout Click here to enlarge
    I'm curious to see if all these improved Pagani parts can be bolted onto a 6 liter M275. Or even some of them.
    No. It's like a completely different motor in a completely different layout.

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    Why not, the headers and also basic turbo size is the same like 65 R231. You can get 730 HP at the crank from the 65 R231 with just a tune, e.g.from Renntech. Of course the ICs and intake of the M158 will not fit, but headers and turbos maybe will when you have enough space. But space is a problem. Brabus has very well designed headers for the V12 but the turbos are not maxed out.Another downside is the price of over 20k $.

  23. #23
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    Click here to enlarge Originally Posted by 65AMG Click here to enlarge
    You can get 730 HP at the crank from the 65 R231 with just a tune, e.g.from Renntech.
    Yeah but how are you getting that horsepower? That's the difference. The M158 is a dry-sump version with smaller turbos built more for response. The exhaust design only is world's apart and you will never be able to apply it to any 65 AMG due to packaging restraints.

    I understand you want some M275 carry over but it really doesn't work that way. They are only similar in their basic basic design and beyond that these are two very different beasts.

  24. #24
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    The dry sump is for track use I know this feature on M158, but turbos are relatively the same. The main difference between Huayra and 65 is the WEIGHT of the car and the packaging in the back of the car, and of course the car as a whole. Engine wise i see a revised M279 which is suited to the needs of the Huayra but not different beasts.

  25. #25
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    Click here to enlarge Originally Posted by 65AMG Click here to enlarge
    The dry sump is for track use I know this feature on M158, but turbos are relatively the same.
    They're not the same turbos though. Plus the manifolds are completely different.

    Click here to enlarge Originally Posted by 65AMG Click here to enlarge
    Engine wise i see a revised M279 which is suited to the needs of the Huayra but not different beasts.
    Then I guess research it more. It's not an M279.

    I really don't know what you're expecting to trickle down from the Huayra.

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