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  1. #1
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    Question S54 pump and boost

    Okay, so it's no question that cars always perform better on better quality fuel I.e. Meth, c 16,ect.. When they can take advantage of it, and I see how well the s54 does with race gas and methanol, and I just wonder if some of those same numbers of whp can be obtained through straight pump 93 octane I.e. 700 whp on pump, I can understand a number of reasons why like BMPE pressures, piston speed, unadjustable tune option like knock sensor, or even just for safty of the motor, just a little thought I have that I hope some one can shine some light on.

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    2 out of 2 members liked this post. Yes Reputation No
    I can definitely put out 700whp on pump gas if i want to, normally though im closer to 650-680whp on 91oct. You're going to need roughly about 20psi.

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    Honestly, you are going to need a built motor and then some for 700 whp on pump.

    You are realistically shooting for the mid 500's on pump.

    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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    Yes, this definitely requires a built motor, a solid fueling system and very good tuning.

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    cool, I definatly know it requires a very good tune and built motor, I just havent heard of someone doing that honestly, just wondering if it could be done on this particular motor, without drastic changes

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    Click here to enlarge Originally Posted by M3D3von Click here to enlarge
    cool, I definatly know it requires a very good tune and built motor, I just havent heard of someone doing that honestly, just wondering if it could be done on this particular motor, without drastic changes
    $30+k is drastic 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

  7. #7
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    Click here to enlarge Originally Posted by M3D3von Click here to enlarge
    cool, I definatly know it requires a very good tune and built motor, I just havent heard of someone doing that honestly, just wondering if it could be done on this particular motor, without drastic changes

    Drastic changes meaning? You will need a fully built motor, nice size turbo and a good tune for sure. Also it helps to have a manual boost controller with tuning that targets a specific AFR (like my setup). Those are the minimums.

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