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    • First E9X M3 S65 V8 supercharged with Vortech YSI - Gintani Stage III+ M3 supercharger teaser + pictures

      We have all known for a while now that Stage III supercharger kits from Gintani are coming. There are a handful of cars running around now but they are running Vortech T-trim blowers. Due to the volumetric efficiency and high revs of the S65 M3 engine the fairly large T-trim gets maxed out fairly quickly. In comes the bigger, badder Vortech YSI. As you can see from the pictures the YSI fits, just barely though. The supercharger casing does need to be modified slightly in order for it to fit without issue.

      Part of the delay going to this big blower was the bracket. The bracket needed to be re-designed to handle the YSI and make sure it would not flex. The bracket on this car is not the final design. We saw the final design on another M3 and it is gorgeous. We were not allowed to photograph it though so as to not give it away. Understandable at this stage in the game.

      What we can tell you about the Stage III is one will be able to get it with a YSI if one chooses. The T-trim is also an option and means if one upgrades from Stage II to Stage III they do not need a new blower. We are not sure if they will just refer to the Stage III with a YSI as Stage III+ or something different.

      The car here is running the YSI with meth on 91 pump gas. It has seen various boost figures up to 18 psi. It turns out, even a blower like the YSI can be maxed out on the S65 at stock displacement. The car here has also been revved quite high as well and the YSI has kept up although it is nearing the end of its efficiency range. This car is a daily driver that has been beaten on since the beginning and continues to be driven hard with the Stage III setup. Some areas that needed upgrading were discovered during the durability testing which will be going on the other Stage III cars now as well.

      More details will come soon but for now enjoy the pictures. The owner described the car simply as silly fast and with the power figures we heard we do not doubt him. We can not go into the exact numbers but suffice it to say they should satisfy just about everyone. With not really any room for anything bigger this is going to be the biggest power upgrade available for the S65... for now.
















      This article was originally published in forum thread: First E9X M3 S65 V8 supercharged with Vortech YSI - Gintani Stage III+ M3 supercharger teaser + pictures started by Sticky View original post
      Comments 68 Comments
      1. fastgti69's Avatar
        fastgti69 -
        Click here to enlarge Originally Posted by EUGENE-Taiwan Click here to enlarge
        I think the YSI gets maxed out is because of the High revving engine. the vettes are not 8300rpm right?!
        Hell no they're at like 6500 rpm lol and only 16 valve. well the LS2
      1. EUGENE-Taiwan's Avatar
        EUGENE-Taiwan -
        Click here to enlarge Originally Posted by fastgti69 Click here to enlarge
        Hell no they're at like 6500 rpm lol and only 16 valve. well the LS2
        thats what I thought as well
      1. DBFIU's Avatar
        DBFIU -
        I think i went over this with you guys before.the S65 has over 90% VE and his is spinning to 8800. So the volumetric flow of the engine is going to be equal to that of a 2 valve big block. Which is why the YSi will be maxed out soon.The F1A is a better suited blower for this setup, it can accomodate the much needed volumetric consumption of this engine. What makes you think it wont fit? Have you tried fitting on in there? Its not that much bigger than the YSi, youll just need a new mounting solution. But again, try and max out the YSi first before having to move on.
      1. Sticky's Avatar
        Sticky -
        Click here to enlarge Originally Posted by DBFIU Click here to enlarge
        the S65 has over 90% VE and his is spinning to 8800. So the volumetric flow of the engine is going to be equal to that of a 2 valve big block.
        Exactly, and that is how the M3 makes up for its displacement disadvantage. So it can move just as much if not more air than these bigger motors.

        Click here to enlarge Originally Posted by DBFIU Click here to enlarge
        The F1A is a better suited blower for this setup, it can accomodate the much needed volumetric consumption of this engine. What makes you think it wont fit? Have you tried fitting on in there? Its not that much bigger than the YSi, youll just need a new mounting solution. But again, try and max out the YSi first before having to move on.
        Well the reason I thought it would not fit is because the YSI barely fits. Gintani essentially told me nothing bigger would work. So I do not know how a F1-A will fit.
      1. THATDONFC's Avatar
        THATDONFC -
        Any belt slipping issues? That setup looks great. Props to Alex and the guys at Gintani. I know first hand that preparing a bracket assembly to manage the force of that blower is no easy task!
      1. Sticky's Avatar
        Sticky -
        Click here to enlarge Originally Posted by THATDONFC Click here to enlarge
        Any belt slipping issues? That setup looks great. Props to Alex and the guys at Gintani. I know first hand that preparing a bracket assembly to manage the force of that blower is no easy task!
        They told me no. Was surprised no cog setup was necessary.
      1. 600whp S4's Avatar
        600whp S4 -
        we have a ls based sbc that revs to 8500rpm all day what does the s65 rev out to? And the ls is a 454
      1. Sticky's Avatar
        Sticky -
        Click here to enlarge Originally Posted by 600whp S4 Click here to enlarge
        we have a ls based sbc that revs to 8500rpm all day what does the s65 rev out to? And the ls is a 454
        The S65 in stock form revs to 8400 and has hit 9000. If the goal was revving the highest the S65 will win that battle with the 454.
      1. 600whp S4's Avatar
        600whp S4 -
        wrong winston cup cars have revved as high as 13,000 rpms. But are regulated to 10,500 no s65 will turn that sorry!


        These guys make sbc that rev to 11k

        http://www.kriners.com/engines.htm
      1. PEI330Ci's Avatar
        PEI330Ci -
        Click here to enlarge Originally Posted by 600whp S4 Click here to enlarge
        wrong winston cup cars have revved as high as 13,000 rpms. But are regulated to 10,500 no s65 will turn that sorry!


        These guys make sbc that rev to 11k

        http://www.kriners.com/engines.htm
        You should dig a little deeper into the facts....

        When did Nascar start using big blocks?

        The data loggers may have seen 13,000 RPM, but it was from miss-shifts....no engine can make power up there because they haven't figured out the valvetrain for that.

        You name an engine program, and I can usually quote the specs.....stuff you can't find on the internet.

        The S65 easily out-rev's modern production pushrod V8s.
      1. DBFIU's Avatar
        DBFIU -
        Click here to enlarge Originally Posted by 600whp S4 Click here to enlarge
        wrong winston cup cars have revved as high as 13,000 rpms. But are regulated to 10,500 no s65 will turn that sorry!


        These guys make sbc that rev to 11k

        http://www.kriners.com/engines.htm
        Those engines have been around for 50 years so there has been plenty of time for them to evolve. Stock, a big block revs to 5500 if you're lucky and the volumetric efficiency of a stock big block is in the 80s if youre lucky. Heads dont flow well, cam is made for stump pulling and valvetrain robs tons of power.

        Comparing stock to stock. Sure ive seen pushrod V8s rev to 9800 RPM. But they get rebuild every 6-10 runs because the valvetrain cant handle it.

        What dont you understand about 8300 RPM and 95% VE stock?

        lol I can make a steam engine rev to 13k too, doesnt mean it likes that.
      1. DBFIU's Avatar
        DBFIU -
        Click here to enlarge Originally Posted by Sticky Click here to enlarge
        Exactly, and that is how the M3 makes up for its displacement disadvantage. So it can move just as much if not more air than these bigger motors.



        Well the reason I thought it would not fit is because the YSI barely fits. Gintani essentially told me nothing bigger would work. So I do not know how a F1-A will fit.
        You should try and find an F1A laying around and just stick it in there to see if it fits, youd be surprised.

        Ask procharger for sponsorship?
      1. Sticky's Avatar
        Sticky -
        Click here to enlarge Originally Posted by 600whp S4 Click here to enlarge
        wrong winston cup cars have revved as high as 13,000 rpms. But are regulated to 10,500 no s65 will turn that sorry!


        These guys make sbc that rev to 11k

        http://www.kriners.com/engines.htm
        I was actually referring specifically to your 454 which isn't a Nascar motor not that they even rev that high anyway. But eventually really it will come down to the size/weight of the parts and the stroke / pistons speeds. The S65 will out-rev pretty much all large V8 production motors as stated.
      1. Sticky's Avatar
        Sticky -
        Click here to enlarge Originally Posted by DBFIU Click here to enlarge
        You should try and find an F1A laying around and just stick it in there to see if it fits, youd be surprised.

        Ask procharger for sponsorship?
        I'll do it after the YSI is on I guess and I do some runs.
      1. 600whp S4's Avatar
        600whp S4 -
        Click here to enlarge Originally Posted by Sticky Click here to enlarge
        I was actually referring specifically to your 454 which isn't a Nascar motor not that they even rev that high anyway. But eventually really it will come down to the size/weight of the parts and the stroke / pistons speeds. The S65 will out-rev pretty much all large V8 production motors as stated.
        You're right our is out of our old boat. And revs to 8500 rpm and was still making power. Boat world is alot more abuse then a car
      1. Sticky's Avatar
        Sticky -
        Click here to enlarge Originally Posted by 600whp S4 Click here to enlarge
        You're right our is out of our old boat. And revs to 8500 rpm and was still making power. Boat world is alot more abuse then a car
        Do not disagree but there isn't all that much that will out-rev in the S65 in the automotive V8 world. I'm sure if someone really tried they could get it up to 10k like BMW did in their testing.
      1. 0-60Motorsports's Avatar
        0-60Motorsports -
        Looks awesome! I hope your car is right behind niteriders Click here to enlarge
      1. beedub's Avatar
        beedub -
        imagine the ferrrari 458 with a ysi..... that v8 has got to be imo one of the best v8's EVER produced, sheer masterpiece.
      1. Yukohama's Avatar
        Yukohama -
        Click here to enlarge Originally Posted by beedub Click here to enlarge
        imagine the ferrrari 458 with a ysi..... that v8 has got to be imo one of the best v8's EVER produced, sheer masterpiece.
        even better, http://www.undergroundracing.com/car...win-turbo.html
      1. DBFIU's Avatar
        DBFIU -
        Click here to enlarge Originally Posted by beedub Click here to enlarge
        imagine the ferrrari 458 with a ysi..... that v8 has got to be imo one of the best v8's EVER produced, sheer masterpiece.
        YSi will not be able to handle that motor. It will produce maybe 12 psi max on that engine.