2002 e46 318ti - Pulley upgrades 5 - 11bhp increase? - Page 2

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    #11
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    mark@vorny.co.uk's Car Details
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    Changing pulley sizes on Supercharger can increase/decrease power too.
    2013, Porsche 911 Carrera 4S, PDK, Sports Exhaust, Chrono, etc, etc

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    #12
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    Does anyone know the realistic BHP figure you get from "Go faster Stripes"?

    I'm seriously tempted




























     
     

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    #13
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    There is a genuine pulley upgrade for Jaguars (think I considered it from Paramount - a Jaguar tuning specialist down south). Cannot recall what the extra bhp extra was, but I'm guessing at about 45bhp IIRC and I think this is roughly right.

    Quite few folks with R type Jags had this done and loved it. I decided against it as I could not justify spending what I recall around £700 for a pulley upgrade.

    Trouble is these parts, when engineered correctly are very costly so anything floating around cheapish I would ignore. Also I cannot see how any pulley would be advantageous to a normal BMW (even if they are a bit lighter).
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    #14
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    Quote Originally Posted by A20 RYM View Post
    Does anyone know the realistic BHP figure you get from "Go faster Stripes"?

    I'm seriously tempted





























    depends on the width and colour of the stipes to be honest
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    Quote Originally Posted by DSK View Post
    depends on the width and colour of the stipes to be honest
    White ones on your bonnet add 20 bhp, red ones on the side add about 15. Add about 10% for every inch in width above 3
     
     

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    Lightweight pulleys give you no increase in power, they have a similar effect of a lightweight flywheel in reducing the effort the engine needs to move said parts, this in turn allows the engine to pick up the revs quicker. I used to run them on a zetec engine and the difference was little to none.
     
     

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    Quote Originally Posted by mikaveli View Post
    White ones on your bonnet add 20 bhp, red ones on the side add about 15. Add about 10% for every inch in width above 3
    no mate thats not true... its only if you have 2 running paralell you bodger (i put some on my bros 900cc cinquecento in red insulation tape) went like f*k
     
     

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    mikaveli (19-11-2009)

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    #18
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    I've got 2-3 spare horsepower here send me £100 via paypal and i'll e-mail them to you
     
     

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