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  1. #1
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    Grand-AM race teams switching from the S62 based V8 (E39 M5) to a Dinan built 4.5 liter based S65 V8 (E92 M3) - Victory in race debut at Brickyard

    A new development in Grand-Am racing as the S65 V8 known in the E92/E90 M3 is introduced. The motor is built by Dinan and is at 4.5 liters of displacement. The motor is restricted by Grand-Am to only 8200 rpm which is lower than the 8400 rpm redline in the M3. This is to prevent a performance advantage as the 5.0 liter S62 V8 is limited by Grand-Am to 7000 rpm. The S62 V8 had a great run in Grand-Am powering the Ganassi team to three consecutive Grand-Am Rolex Series.

    Click here to enlarge

    The S65 V8 they are switching to will run an OEM intake manifold with Dinan trumpets. The BMW North America Motorsports Manager Gordon McDonnell stated the following, We are excited to welcome Starworks Motorsport back to the BMW Power family. Our discussions with Peter Baron and Alex Popow over the last weeks were extremely positive allowing us to make this partnership happen quickly. Starworks is having an excellent season to-date and Im positive that we can help them continue. Dinan Motorsports played an enormous role in getting the engines built in time for Indianapolis and I want to thank Steve and his team for making this happen in such a short amount of time.

    Starworks Motorporsports won their first race with BMW power last Friday at the Brickyard Grand Prix which was the S65 V8's race debut. Winning the very first race bodes well for the S65 V8 in the Rolex Series.

    There are now six BMW powered Daytona Prototypes racing in the Rolex Series. Starworks, Ganassi, and Sahlen all run BMW motors. One of the Starworks and Stahlen cars will run the S62 V8 and one will run the S65 V8. It will be interesting to see how the two stack up.

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    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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    This raises a question for me. Is the S62 still in production?

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    I'm surprised they are just now making the switch

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    Click here to enlarge Originally Posted by DFM Click here to enlarge
    This raises a question for me. Is the S62 still in production?
    Heh, no.

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  5. #5
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    Click here to enlarge Originally Posted by G0TB00ST? Click here to enlarge
    I'm surprised they are just now making the switch
    Probably not a cheap switch.

    Stage 2 or 2.5 E9X M3 S65 V8 supercharger kit for sale
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    Yeah I gues there's a lot that goes into switching engines and the cos would add up pretty quick.

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    You can also bet that once they decide to switch, it will take them a while to design and test the new motor before they feel confident using it. So if the final version of the S65 first made an appearance in 2006-2007 (for BMW, not consumers) then it doesn't surprise me that it took 6 years or so for them to switch.

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    1 out of 1 members liked this post. Yes Reputation No
    Winning also made it easy to stick with the s62 as long as they did..
    Click here to enlarge
    ESS 6XX kit

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    Dinan testing the motors:

    Click here to enlarge

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    Just blew one up at Road America lol

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    Racing...

    Stage 2 or 2.5 E9X M3 S65 V8 supercharger kit for sale
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    Click here to enlarge Originally Posted by Sticky Click here to enlarge
    Racing...
    Things are not supposed to go kaboom in racing, especially at the end of pit lane. The S62 did just fine though.

    I was rooting for Magnus. They had P1 for a while but that last pit was a tough call, cuse Tur er stuck it out and eeked out to the last lap.

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    1 out of 1 members liked this post. Yes Reputation No
    Click here to enlarge Originally Posted by Itsbrokeagain Click here to enlarge
    Things are not supposed to go kaboom in racing, especially at the end of pit lane. The S62 did just fine though.

    I was rooting for Magnus. They had P1 for a while but that last pit was a tough call, cuse Tur er stuck it out and eeked out to the last lap.
    The 2 car had front end damage (where radiator is) almost the entire race. They also did 3/4 of lap with grass completely covering the radiator inlet. Always a problem for Daytona Prototypes running off the track.

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    Click here to enlarge Originally Posted by Itsbrokeagain Click here to enlarge
    Things are not supposed to go kaboom in racing, especially at the end of pit lane. The S62 did just fine though.

    I was rooting for Magnus. They had P1 for a while but that last pit was a tough call, cuse Tur er stuck it out and eeked out to the last lap.
    Are you serious? Mercedes lost an F1 motor a race ago and their budget makes Grand Am look like little kids with RC cars. It's racing, once again, and for the S65 to win its debut is incredible.

    Stage 2 or 2.5 E9X M3 S65 V8 supercharger kit for sale
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    Click here to enlarge Originally Posted by Sticky Click here to enlarge
    Are you serious? Mercedes lost an F1 motor a race ago and their budget makes Grand Am look like little kids with RC cars. It's racing, once again, and for the S65 to win its debut is incredible.
    Serious about what? It did well at brickyard and had an oopsie at Road America. If you are disagreeing with me, does that mean that when you go racing you HAVE to blow something up?

  16. #16
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    Click here to enlarge Originally Posted by Itsbrokeagain Click here to enlarge
    Serious about what? It did well at brickyard and had an oopsie at Road America. If you are disagreeing with me, does that mean that when you go racing you HAVE to blow something up?
    No because that would be an absolute. My example was that in racing things happen and the components are under higher stress. See post #13 .

    Stage 2 or 2.5 E9X M3 S65 V8 supercharger kit for sale
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