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    ESS VT3-725 supercharged built motor E92 M3 S65 V8 compared to VT2-625 - Underwhelming results?

    There are going to be several built motor supercharged S65 V8 M3 V8 setups starting to roam the streets this year. ESS will have the VT2-725, Gintani will have their Stage III and Stage III+, and Active Autowerke will have their level 4. Each takes a different approach with ESS using the same Vortech V3Si blower their kits already employ, Gintani offering Vortech T-Trim, V3, and YSI options, and Active Autowerke employing a Rotrex C-38 but is able to accommodate other blowers as well.

    Here is the different between a VT3-725 and a VT2-625 supercharger setup, both on DCT M3's with meth in SAE correction:

    Click here to enlarge

    645 wheel for the built motor setup and 586 wheel for the stock internal setup. VT2-650 kits claim to be over 600 wheel on stock internals so one has to ask themselves if it is worth the cost to build a motor for only 50 wheel horsepower? $15,000+ on top of the supercharger kit for 50 wheel? Sure this power will likely be more reliable but one has to scratch their head at this price for performance ratio. It certainly makes sense to upgrade to a VT3 setup if one were to take the stock motor too far though.

    The Vortech blower used here is approaching its limit. For a built motor application, it would seem to be a bit undersized as 12 psi is not providing all that much versus the 7.5 psi of the stock internal kit partially due to the lower compression. To really see solid gains a bigger blower is necessary. Gintani has shown up to 16.5 psi with a Vortech YSI thus far and higher dyno results on the lower reading Dyno Dynamics dyno.

    Hopefully a comparison of the three major built motor setups will be able to be made soon.
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    had no idea the S65s ran 12.x AFR....interesting
    "We need to upgrade your skill before we upgrade your horsepower"

    -Tommy to Josh

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    Click here to enlarge Originally Posted by ultimateendz Click here to enlarge
    had no idea the S65s ran 12.x AFR....interesting
    Well... that depends on the tuner.
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    Stage 2 or 2.5 E9X M3 S65 V8 supercharger kit for sale
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    what do they range from?
    "We need to upgrade your skill before we upgrade your horsepower"

    -Tommy to Josh

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    Click here to enlarge Originally Posted by ultimateendz Click here to enlarge
    what do they range from?
    Check out the links and look at some of the other graphs and air/fuel.
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    Stage 2 or 2.5 E9X M3 S65 V8 supercharger kit for sale
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    links?....i dont wanna go through the 5million S65 dynos searching for that....lol
    "We need to upgrade your skill before we upgrade your horsepower"

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    Click here to enlarge Originally Posted by ultimateendz Click here to enlarge
    links?....i dont wanna go through the 5million S65 dynos searching for that....lol
    You have links in the OP.
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    seems they all run AT LEAST 12.00 AFR
    "We need to upgrade your skill before we upgrade your horsepower"

    -Tommy to Josh

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    Click here to enlarge Originally Posted by ultimateendz Click here to enlarge
    seems they all run AT LEAST 12.00 AFR
    Like I said, depends on the tuner/setup.
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    ok...so ESS, GINTANI, and AA seems to be running AT LEAST 12.00AFR in their shop cars....is that a solid assumption?
    "We need to upgrade your skill before we upgrade your horsepower"

    -Tommy to Josh

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    Click here to enlarge Originally Posted by ultimateendz Click here to enlarge
    ok...so ESS, GINTANI, and AA seems to be running AT LEAST 12.00AFR in their shop cars....is that a solid assumption?
    No.

    It's a solid assumption that this ESS build motor kit and the AA built motor kit are running 12.00 AFR.

    If you look at some of the other dynos you will see some guys go pretty lean while others go a bit rich.
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    can you show me a thread where its under 12.00?
    "We need to upgrade your skill before we upgrade your horsepower"

    -Tommy to Josh

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    Click here to enlarge Originally Posted by ultimateendz Click here to enlarge
    can you show me a thread where its under 12.00?
    Honestly, I have a ton of work to do. I just recommend searching the S65 forum.
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    honestly i dont see squat for gintani or VF.....only ESS and AA
    "We need to upgrade your skill before we upgrade your horsepower"

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    Click here to enlarge Originally Posted by ultimateendz Click here to enlarge
    honestly i dont see squat for gintani or VF.....only ESS and AA
    Well Gintani dynos pretty much come from the Dyno Dyanmics but come on man you can search there is a ton of stuff.
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    Click here to enlarge Originally Posted by Sticky Click here to enlarge
    Well Gintani dynos pretty much come from the Dyno Dyanmics but come on man you can search there is a ton of stuff.
    ive been through 6 gintani dyno threads already....if you already know which one to go to just tell me....
    "We need to upgrade your skill before we upgrade your horsepower"

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    Regardless of cost, I think Drew's car will be extremely quick! I can't wait for him to post some solid times both quarter mile and 60-130mph to see how they stack up to his previous times.

    It would be interesting to see some the built Gintani motors at similar PSI.

    At any rate, I love how all these companies are expanding the limits of the S65B40. Great to see clients and companies investing big money to push the envelope further and further.
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    Call me crazy I just expect motor power from a FI built V8 anything...
    We stay swingin...
    Click here to enlarge

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    Click here to enlarge Originally Posted by ultimateendz Click here to enlarge
    ive been through 6 gintani dyno threads already....if you already know which one to go to just tell me....
    Dude I don't know I would have to through the whole forum and collect dynos for you and present them to you and I have other things to do.
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    Click here to enlarge Originally Posted by Sledgehammer Click here to enlarge
    Call me crazy I just expect motor power from a FI built V8 anything...
    You aren't the only one.
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    Click here to enlarge Originally Posted by ultimateendz Click here to enlarge
    ok...so ESS, GINTANI, and AA seems to be running AT LEAST 12.00AFR in their shop cars....is that a solid assumption?
    Not sure about other companies but I recently saw dynos of an ESS VT2-600 running at the richest 13.0 AFR at redline. Every where else was relatively leaner.

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    Click here to enlarge Originally Posted by flipm3 Click here to enlarge
    It would be interesting to see some the built Gintani motors at similar PSI.
    If it's the larger blower it will make more power at the same boost.

    Plus it's not like Drew actually paid full price for any of this.
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    Click here to enlarge Originally Posted by Sledgehammer Click here to enlarge
    Call me crazy I just expect motor power from a FI built V8 anything...
    I guess you meant "more" power. Are you implying these numbers represent the absolute limit for the S65? Somebody should twin-turbo that engine!
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    Click here to enlarge Originally Posted by flipm3 Click here to enlarge
    Not sure about other companies but I recently saw dynos of an ESS VT2-600 running at the richest 13.0 AFR at redline. Every where else was relatively leaner.

    http://www.youtube.com/watch?v=cV6fzQQc7UA

    umm....13.00AFR is lean as $#@!
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    Click here to enlarge Originally Posted by Sticky Click here to enlarge
    If it's the larger blower it will make more power at the same boost.

    Plus it's not like Drew actually paid full price for any of this.
    Who mentioned price? Based on the shown info thats not overly impressive power for a fully built motor with boost was my point.

    Click here to enlarge Originally Posted by Autobahn335i Click here to enlarge
    I guess you meant "more" power. Are you implying these numbers represent the absolute limit for the S65? Somebody should twin-turbo that engine!
    My statement minus the typo is pretty concise. I would expect a FI fully built V8 motor to make much more power than shown. Perhaps someone is making more power but thats not shown.
    We stay swingin...
    Click here to enlarge

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