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    • Horsepower Freaks (HPF) Stage 2 with a Precision 6766 turbo hits 692 rear wheel horsepower at 15psi on stock internals

      Yes, you read it right. 692rwhp with an HPF Stage 2 running AEM. We swapped in the new Precision 6766 turbo and turned the boost up from 13psi to 15psi on Gus's brutal M3. This car has quite a bit of weight removed and has an amazing powerband. It pulls so hard and so clean. The torque is almost perfectly flat to red-line which makes driving it so amazing. This is the perfect track powerband. Gus has the ECU unlocked so he can make any changes he wants and do datalogging himself. Enjoy Gus.




























      This article was originally published in forum thread: Gus M Joins the HPF Stage 2 "6766" Club - 692rwhp at 15psi started by HPF Chris View original post
      Comments 26 Comments
      1. GG///M3's Avatar
        GG///M3 -
        Click here to enlarge Originally Posted by Sticky Click here to enlarge
        I would prefer RPM overlay as well but you guys need to stop complaining about HPF's graphs.
        Its about info is all. relax
      1. GG///M3's Avatar
        GG///M3 -
        Click here to enlarge Originally Posted by Sticky Click here to enlarge
        692 whp on stock internals with a Stage II? Why is this making more power than other Stage II's? The different turbo?

        Do you use this turbo in other Stages?

        Race and Meth not SAE.
      1. Sticky's Avatar
        Sticky -
        Click here to enlarge Originally Posted by GG///M3 Click here to enlarge
        Race and Meth not SAE.
        Yep, saw it was uncorrected. Still, respectable and a great achievement. Basically ~700 on stock internals, props.
      1. GG///M3's Avatar
        GG///M3 -
        Click here to enlarge Originally Posted by Sticky Click here to enlarge
        Yep, saw it was uncorrected. Still, respectable and a great achievement. Basically ~700 on stock internals, props.
        Hrmmi how long will it last? For a motor with high compression its okay I guess, but I think its a ticking time bomb.
      1. dzenno@PTF's Avatar
        dzenno@PTF -
        sickkkk! Click here to enlarge
      1. dreikraft's Avatar
        dreikraft -
        Click here to enlarge Originally Posted by GG///M3 Click here to enlarge
        Hrmmi how long will it last? For a motor with high compression its okay I guess, but I think its a ticking time bomb.
        this is the ultimate s54 setup. it just needs forged internals.
        hpf - you guys need to start doing some built motors at high compression.

        im sure you drove the car... you know what im talking about!
      1. 0-60Motorsports's Avatar
        0-60Motorsports -
        Wow thats awesome! great results
      1. Square&Level's Avatar
        Square&Level -
        Mad props! Now let's get back to the single turbo kit for the 335iClick here to enlarge
      1. Mikecoupe's Avatar
        Mikecoupe -
        Click here to enlarge Originally Posted by GG///M3 Click here to enlarge
        Its about info is all. relax
        For a second i thought i was looking at E46fanatics(aka HPF forum) because all the HPF threads,so dont say anything wrong about Sticky,s biggest vendorClick here to enlarge
      1. GG///M3's Avatar
        GG///M3 -
        Click here to enlarge Originally Posted by dreikraft Click here to enlarge
        this is the ultimate s54 setup. it just needs forged internals.
        hpf - you guys need to start doing some built motors at high compression.

        im sure you drove the car... you know what im talking about!
        I haven't driven a HPF car ever. Honestly. Yes with a built motor it would be awesome, but without SAE numbers its doesn't mean much to me.
      1. Q4P's Avatar
        Q4P -
        It sounds good and all... now what can this thing run in the 1/4 and how is traction?
      1. sr20seb's Avatar
        sr20seb -
        What is the odometer say on this car?
      1. dreikraft's Avatar
        dreikraft -
        Click here to enlarge Originally Posted by GG///M3 Click here to enlarge
        I haven't driven a HPF car ever. Honestly. Yes with a built motor it would be awesome, but without SAE numbers its doesn't mean much to me.
        i can see how my post was confusing. i meant chris has driven this car for sure.

        Click here to enlarge Originally Posted by Q4P Click here to enlarge
        It sounds good and all... now what can this thing run in the 1/4 and how is traction?
        the owner is claiming to be able to hook on nt05s in 1st. i can't hook those tires in 2nd and i dynoed less than this stage 2.

        itll be interesting to see if that bigger hotside (6766) will give the low comp built motors (like a 2.5) a better curve instead of falling off up top.
      1. Sticky's Avatar
        Sticky -
        Click here to enlarge Originally Posted by dreikraft Click here to enlarge
        this is the ultimate s54 setup. it just needs forged internals.
        hpf - you guys need to start doing some built motors at high compression.

        im sure you drove the car... you know what im talking about!
        I have to agree with you on this. The response is likely still close to stock I assume.
      1. dreikraft's Avatar
        dreikraft -
        the response IS stock. its stock compression.
        what i meant by ultimate 54 turbo setup is powerband. high comp built motor @18/17psi high boost map is what i've always wanted and what i initially asked hpf for before the low comp 2.5 build.

        id like to see someone try to use sport mode on a sucker like that!
      1. Sticky's Avatar
        Sticky -
        Click here to enlarge Originally Posted by Mikecoupe Click here to enlarge
        For a second i thought i was looking at E46fanatics(aka HPF forum) because all the HPF threads,so dont say anything wrong about Sticky,s biggest vendorClick here to enlarge
        HPF offers great support and supports the community and industry better than just about anyone with their informative threads. They continually do great documentation of all their work, pretty much better than anyone .

        That said, there are other vendors who pay more here so don't think HPF has some kind of special treatment. I just really appreciate what they do.
      1. Sticky's Avatar
        Sticky -
        Click here to enlarge Originally Posted by dreikraft Click here to enlarge
        the response IS stock. its stock compression.
        what i meant by ultimate 54 turbo setup is powerband. high comp built motor @18/17psi high boost map is what i've always wanted and what i initially asked hpf for before the low comp 2.5 build.

        id like to see someone try to use sport mode on a sucker like that!
        So the big turbo doesn't affect throttle response time at all?
      1. dreikraft's Avatar
        dreikraft -
        its relatively small... the 6766. you could go smaller but then youd suffer up top. if people think a stage 2 is sluggish they should try a 6266.
        anyway, you get all the throttle response of a NA s54 (becuause its at stock comp) plus the 6766 when it comes online. every increase per pound of pressure is felt waaaay more in the high comp s54.

        i put alot of thought into what i wanted after completing stage 2. 18-17psi on that 67mm is what i thought would be wet dream material for a street car.

        id think a 6768 would be better for a low comp s54 to insure you don't fall off up top.
      1. jacobs323i's Avatar
        jacobs323i -
        first off these are the new turbos they have been testing different from the older stage 2 kit, and anyone that thinks 700 hp on stock internals is not impressive is a dummy! I doubt it is a ticking time bomb either HPF does extensive R&D with a warranty no way it is a dud!
      1. Sticky's Avatar
        Sticky -
        Click here to enlarge Originally Posted by dreikraft Click here to enlarge
        its relatively small... the 6766. you could go smaller but then youd suffer up top. if people think a stage 2 is sluggish they should try a 6266.
        anyway, you get all the throttle response of a NA s54 (becuause its at stock comp) plus the 6766 when it comes online. every increase per pound of pressure is felt waaaay more in the high comp s54.

        i put alot of thought into what i wanted after completing stage 2. 18-17psi on that 67mm is what i thought would be wet dream material for a street car.

        id think a 6768 would be better for a low comp s54 to insure you don't fall off up top.
        I agree with you, this is how I would build it.