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Thread: Supercharger Kit Completed - Dyno Results Here...

  1. #1
    Join Date
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    '92 BMW 850i

    Supercharger Kit Completed - Dyno Results Here...

    Just wanted to share with you that Marco in Rockville's '91 850i made 393 RWHP / 352 RWTQ (382/342 corrected) on the dyno yesterday morning.

    Adding 60 HP to account for driveline losses suggests that we're right at our target of 450 HP at the crank.

    Engine bay photo, dyno graph, and video below.

    Congratulation Marco !!!
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    Click Here For Video...
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    Rgds...
    - John
    Head Boost Junkie
    BoostedLogic.Com


  2. #2
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    How much was the total cost

  3. #3
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    LOTUS exige s, FC3C rx7, Subaru Sherpa!
    ok...


    so where can i buy a kit! either the twin turbo or the supercharger kit! PLEASE PLEASE PLEASE SAY that your going to produce them!

  4. #4
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    Dinan 8
    Is this the stage I non-intercooled version? ... and what head unit was used?

    -JRW

    Glacier Blue 1991 Dinan 8 | Chasis CB73392 | 1 of 50 Produced
    Built for PGA Pro Mark Calcavecchia
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    525hp - 589ft/lbs tq

  5. #5
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    2000 740iS
    Whoo-wee! Look at that torque curve too! Congrats gentlemen!
    Do you have any pic.s of the install on the motor?


    Regards,
    M.R.
    2000 740i Sport Anthrazit Metalic M62TU 4.4 V8/M-Pars 214K Miles!;
    2011 Cadillac CTS-V Coupe 6A Raven Black/ 6.2L Supercharged/556HP;
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    1950 International/Farmall Model-M Top Speed-17mph in 5th. It's a tractor, Bish!

  6. #6
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    91 850i
    im in rockville, and would love to see it. and i will bring you another one you can start on

  7. #7
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    Quote Originally Posted by lukianp View Post
    ok... so where can i buy a kit! either the twin turbo or the supercharger kit! PLEASE PLEASE PLEASE SAY that your going to produce them!
    Please contact me offline for cost and availability.

    smith001@itsystems.net


    Quote Originally Posted by XTREMETUNING View Post
    Is this the stage I non-intercooled version? ... and what head unit was used? -JRW
    This is the Stage II Intercooled version. Stage I, which is non-intercooled, will make approx the same HP as a stock CSi.

    Quote Originally Posted by M.Rad. View Post
    Whoo-wee! Look at that torque curve too! Congrats gentlemen!
    Do you have any pic.s of the install on the motor? Regards,
    M.R.
    Thanks for the kind comments. I will post pics of the install on the motor once I get the car back up on the lift.


    Quote Originally Posted by dedarkone View Post
    im in rockville, and would love to see it. and i will bring you another one you can start on
    If you can make it to Alexandria, VA one evening this week - - and assuming that Marco has no objections - - we can take the car out for a spin.

    What year is your car? Auto or manual trans? Miles?

    Rgds...
    Last edited by John in DC; 12-07-2008 at 11:05 PM. Reason: Automerged Doublepost
    - John
    Head Boost Junkie
    BoostedLogic.Com


  8. #8
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    I see pipes but the supercharger must be hidden i cant see it

  9. #9
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    great work!!

    ******
    Last edited by DriftGirl; 12-11-2008 at 11:14 AM.

  10. #10
    Join Date
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    Looks very promising. Great job guys!

  11. #11
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    Quote Originally Posted by smokum View Post
    I see pipes but the supercharger must be hidden i cant see it
    I will have john comment on the details but I have seen this install and if the air box covers are attached it is hard to tell from stock. The SC is bottom mount and has proper ground clearance.

    This is a first rate install and workmanship. Congrats to John on the successful project and Marco on the newfound power.

    Marco...Now you need to replace those skinny tires with some fat ones to stop losing traction on all those gears.

  12. #12
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    Quote Originally Posted by smokum View Post
    I see pipes but the supercharger must be hidden i cant see it
    Yes. Among the design criteria for the kit were the following:

    • Stage I: Achieve CSi HP levels at the crank.
    • Stage II: Achieve 450+ HP at the crank.
    • Engine bay should appear as close to stock as possible.
    • Bolt on installation - ie no cutting of any metal parts in the engine bay.
    • No (or minimal) cutting of plastic parts in the engine bay.
    • Installation by experienced mechanic possible in less than 8 hours for Stage I and less than 12 hours for Stage II.


    I'm happy to report that we achieved all of these goals with the following exceptions:

    • Stage I & II: Two oxygen sensor bungs must be welded into the exhaust system just ahead of the catalytic converters. This should require less than one hour of labor by an experienced welder.
    • Stage II: A small 3cm hole must be drilled in the plastic shroud just ahead of the radiator to accommodate the oil cooling lines for the supercharger.
    • Stage II: The lower black plastic air duct and spoiler must be modified to accommodate the intercooler.


    These three plastic bits could be acquired for approx US$300 (see items #2 and #5 here and item #3 here) from Gault for those that wish to retain the option of returning the car to stock in the future.

    Just to echo the goal of keeping the engine bay as stock as possible, I would like to mention that it is actually possible to retain the stock air filter boxes if one chose to modify them. However, given that this would require cutting the filter boxes up - - violating the no/minimal cutting design goal - - that possibility was not chosen for the production kits.

    Rgds...
    - John
    Head Boost Junkie
    BoostedLogic.Com


  13. #13
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    Awesome Job, Congrats!

  14. #14
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    1993 850ci,1974 E9
    very nice...
    i can't wait to see pricing and more photographs.
    my car keeps shouting 'charge me, charge me'

  15. #15
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    Quote Originally Posted by carspainc.com View Post
    very nice...
    i can't wait to see pricing and more photographs.
    my car keeps shouting 'charge me, charge me'
    I won't discuss pricing or availability in this forum. Please contact me offline for that.

    smith001@itsystems.net

    I will try to get more pics posted tonight or tomorrow.

    Rgds...
    - John
    Head Boost Junkie
    BoostedLogic.Com


  16. #16
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    Stelth look Excelent

  17. #17
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    Quote Originally Posted by John in DC View Post
    Yes. Among the design criteria for the kit were the following:

    • Stage I: Achieve CSi HP levels at the crank.
    • Stage II: Achieve 450+ HP at the crank.
    • Engine bay should appear as close to stock as possible.
    • Bolt on installation - ie no cutting of any metal parts in the engine bay.
    • No (or minimal) cutting of plastic parts in the engine bay.
    • Installation by experienced mechanic possible in less than 8 hours for Stage I and less than 12 hours for Stage II.

    I'm happy to report that we achieved all of these goals with the following exceptions:
    Just wondering is the stockish look to keep the VA cops from writing up the drivers too much for a modded vehicle?

    Other wise, very nice job and would this system work on an E32 750?
    Current - all are 6mt:
    1991 850i
    2004 Audi S4
    2000 Audi A6 2.7T

  18. #18
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    911 + E31
    Very nice. I dream of a stealth s/c for M60 based in C.A.R.B Cali
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  19. #19
    Join Date
    Dec 2004
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    '92 BMW 850i
    Here's some pics of the install and some of the parts...



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    Rgds...
    - John
    Head Boost Junkie
    BoostedLogic.Com


  20. #20
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    Awesome job, Beautiful/Clean Piping, I'm in for a Fall project, Congrats on a job Well done.

  21. #21
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    Oh wow nice no ecm mods needed? timing?

  22. #22
    Join Date
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    850 6 speed sold
    John,

    Is there any type o boost ignition box, my old vortech s-trim came with a msd-btm box
    Best Regards

    Bobby B

  23. #23
    Join Date
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    Quote Originally Posted by smokum View Post
    Oh wow nice no ecm mods needed? timing?
    Although I didn't include a picture of them, ECU chips for the Bosch Motronic are part of the kit also. Here's a listing of the major components...

    * Supercharger
    * Supercharger Pulley
    * Crank Pulley
    * Drive Belt for Supercharger
    * Spark Plugs
    * Spark Plug Gap Gauge
    * Intercooler
    * Intercooler Mounting brackets
    * Supercharger oil cooler
    * Supercharger brackets
    * Toolkit for specialized fasteners in SC bracket system.
    * Air conditioner tensioner pulley
    * Supercharger tensioner pulley
    * Fuel injectors
    * Spark Plugs
    * ECU chips
    * PCV system components
    * Air filter
    * Plumbing bits to get from air filter to supercharger
    * Plumbing bits to get from supercharger to intercooler
    * Plumbing bits to get from intercooler to MAF's
    * Plumbing bits to get from MAF's to DK motors.
    * Bypass Valve
    * All fasteners needed to install the system
    * All hoses, clamps, and plenums necessary to install the system.

    Rgds...
    - John
    Head Boost Junkie
    BoostedLogic.Com


  24. #24
    Join Date
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    skateboard
    Looks sick. Are those c30 rotrex, or c38's? You should really post this in the FI section.
    “If liberty means anything at all, it means the right to tell people what they do not want to hear.”
    ― George Orwell

  25. #25
    Join Date
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    850 6 speed sold
    John,

    What stage did is on the car, is it a stage I or Stage II?
    Best Regards

    Bobby B

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