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Thread: 100RWHP per litre S50B30 in N/A form......

  1. #26
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    Wow alan, that is crazy!

    was it mostly the cams? are you still using the alpha-n tune or custom?

    Cheers mate!

  2. #27
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    a slightly modified version of the alpha n chips
    cheers, Alan



    1/4 mile-12.92 @ 108.64mph-NA 3.0L m3 daily driver

  3. #28
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    Quote Originally Posted by morerevsm3
    was a dyno comp in town today, so thought I would enter and see what these 283* cams have really done for me, I was pleasantly surprised

    314.8rwhp or 234.8rwkw

    That's a good result Allan, what sort of dyno Is that ? How is it comparable? U should run it on a dyno dynamics in shootout mode. In your previous posts you stated that it made 275rwhp with the cams on a dyno dynamics? 30odd rwhp with slightly modded alpha n chip?

  4. #29
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    Quote Originally Posted by S50B30T View Post
    Hi All,

    Firstly i want to say this is not my car, it's a friend of mine, Simons. He is new to this forum and can not post pics as yet so i am posting the pics for him and he will chime in with any answers/finer details.

    He owns a 1994 E36 M3 that he has owned for 5 years. When he first purchased the car it made 220 RWHP in stock form. Over the last 5 years has has played with different Exh systems, Cam shafts, Air box/runner sizes etc etc and the engine is run via an Autronic SM4 with vanos control.

    In shoot out mode the car now makes 310RWHP!








    I'm sure Simon will respond to any questions/comments......
    lol our evo's are already more than that in standard form

  5. #30
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    Quote Originally Posted by jamie123

    lol our evo's are already more than that in standard form
    This is about rear wheel horsepower! Not flywheel horsepower! Your car would make 230-40 rwhp on a dd in shoot6. What are u smoking?

  6. #31
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    Quote Originally Posted by Shedtownracing View Post
    That's a good result Allan, what sort of dyno Is that ? How is it comparable? U should run it on a dyno dynamics in shootout mode. In your previous posts you stated that it made 275rwhp with the cams on a dyno dynamics? 30odd rwhp with slightly modded alpha n chip?
    last time I took it to the drags, I couldn't get over 103mph....until I took the air filter off, the same filter that was on there when last dynoed, with it removed, mph went up to mid to high 108mph, but the only thing I know about dynamic test system dynos, is they read about the same as mainline hub dynos
    cheers, Alan



    1/4 mile-12.92 @ 108.64mph-NA 3.0L m3 daily driver

  7. #32
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    My car made 286 rwhp on a hub dyno, in the same state of tune it made 232rwhp on a dd in shoot6, if you use this data your car is making 254 rwhp on a dd in shoot 6, what was your best previous trap speed prior to cams? Do you know what your car weighed at your pre and post cam 1/4 runs?

  8. #33
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    best trap to date is 108.82, car weighed 1380kg with me in it
    cheers, Alan



    1/4 mile-12.92 @ 108.64mph-NA 3.0L m3 daily driver

  9. #34
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    From memory gaz trapped 106mph with 264rwhp in full bodied car, given your weight maybe it is making 250-60 rwhp on a dd in shoot 6, Imagine what it will trap with your new motor!

  10. #35
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    considering DA at heathcote was ~ 1000ftasl the day I ran there, it is more than 260rwhp...
    cheers, Alan



    1/4 mile-12.92 @ 108.64mph-NA 3.0L m3 daily driver

  11. #36
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    Given your race weight I'm not sure that it would be,maybe,had you ever used that dts dyno before?

  12. #37
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    Quote Originally Posted by Shedtownracing View Post
    This is about rear wheel horsepower! Not flywheel horsepower! Your car would make 230-40 rwhp on a dd in shoot6. What are u smoking?
    thats shut me up!

  13. #38
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    Haha not sure why the uk do thier dynos it an emulated flywheel readout but hey.

    I'm happy that ppl are developing the s50b30/2. When I first picked ip the eurospec m3 ppl were saying I'd be lucky to get more than 10hp from factory and mid 13sec 1/4 is about it.

    1/4 mile times are pretty goOd comparison. But I can understand why ppl don't bother as u have to mingle with the low socio-economic members of society and the launches are brutal on the drivetrain. I'll probably go once when the engine is finished just for science. Would have no idea on what time I'll run with the twinskrew but if I don't brake 13sec barrior I'll be a shattered man.
    BMW’s
    90 E34 M5
    84 E24 M635csi standalone ecu with coil on plug
    94 E34 540i/6 SC 5-17psi Flex fuel/standalone ecu
    97 Z3 2.8
    97 E36 M3 euro SC still u/c


    OTHERS
    11 Audi S5 APR stg2
    19 Volkswagen Amarok V6


  14. #39
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    Quote Originally Posted by GazM3 View Post
    1/4 mile times are pretty good comparison.
    Gaz,

    What rwhp (and what brand dyno?) were you making when you ran 13.0 @ 105mph? How heavy was your car (with driver) when you raced it?
    Euro Spec E36 M3. Built engine, Carrillo Rods, JE Pistons, SuperTech Stainless Int/Inconel Exh Valves, SuperTech Double Valve Springs, APR Head and Mains Studs, GT35R Turbo, Tial 44mm External gate, Custom Intake manifold, Autronic SM4 with Vanos control, Twin intank Walbros, Injector Dynamics Injectors, 566rwhp (Mainline Dyno) at 20psi. More boost to come once stronger spring fitted to W/Gate. Engine built and tuned by me......

  15. #40
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    260rwhp dyno dynamics in shootout. Only weight remove was spare wheel and jack. With 90kg driver and 1/4 tank of fuel was prob say 1550kg

    Now I remove about 70kg with boot carpet / lw battery / all sound deadening / air pump / but added say 10kg with extinguisher and fuel surge tank
    BMW’s
    90 E34 M5
    84 E24 M635csi standalone ecu with coil on plug
    94 E34 540i/6 SC 5-17psi Flex fuel/standalone ecu
    97 Z3 2.8
    97 E36 M3 euro SC still u/c


    OTHERS
    11 Audi S5 APR stg2
    19 Volkswagen Amarok V6


  16. #41
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    there are friendly DD and not so friendly DD so you guys need a dyno day = same day, same conditions, same operator & same dyno

  17. #42
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    all well and good, but I live over 250ks from Gaz...

    also, I have, in early stages, had my car on 2 other dyno dynamics dynos in shoot6, one read about 10rwkw lower, but, they strapped it down that tight the tyres looked flat, and temp probe was leaning on galvanised iron shed wall that had over an inch thick ice on the outside of it (typical day in Ballarat) other time was not long after I got the car, and it read 2 rwkw higher than dyno I usually go to. I am told the old dyno dynamics had same ramp rate as shoot 6 as default
    Last edited by morerevsm3; 03-22-2011 at 05:50 AM.
    cheers, Alan



    1/4 mile-12.92 @ 108.64mph-NA 3.0L m3 daily driver

  18. #43
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    Quote Originally Posted by digger View Post
    there are friendly DD and not so friendly DD so you guys need a dyno day = same day, same conditions, same operator & same dyno
    Iv ran the car on three different DD machines with at times three different operators, i have always strapped/chocked the car myself and have seen within 3rwhp, from personal experience these dynos are very comparible if the car is strapped in the same way and the gear ratios used are the same. I have a dyno sheet from a dyna pack hub dyno that reads 362 rwhp however i dont see any relevancey of posting this as its not comparible to anyone elses figures.
    We at shedtown racing strive for perfection and have cross referenced the figures with several dynos to prove accuracy to ensure we do not see an "inflated" figure as this would be a complete waste of time with regards to development of the engine. The aim is to achieve highest N/A bhp/litre and extract the most out of each modification also keeping a bulk of the bhp under the curve. "This is what we do" .
    When the car is suitably modified then the drag strip will be the last port of call for testing.

  19. #44
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    perfection striving is good. ive got no doubt that ya car is giving a genuine 310rwhp as with all things optimised like that nice airbox, custom written software, and upgraded cams, thats what id expect to see. Its hard for comparison as the engilsh cars are all in flywyheel hp and there is one over there with 360fwhp (dyno dynamics - but not sure of rwhp prob around the 300 mark) which has your exact airbox,schrick 284 cams, and custom software (alphaN) done by evolve, and the other one was that guy from Bexley autowerks that had just over 300rwhp, agian with carbon airbox, custom software, and schrick 296 cams.

    Alans already stated his reading is probably "happy" but theres no doubt he has a very healthy s50b30 also and on a true reading dyno he's probably around the 275-290 rwhp mark.

    it would be hard for a dyno day comparison of the cars as my old engine has a hole in the block about the size of a sleeve of a wizard unfortunatly. As it sits now, the new engine is just in the car, with no plenum, 8.5:1 compression, and will be started back up tomorrow so we can adjust the shims for the cam before it goes in to have the twinscrew plenums/brackets manufacutred.

    BTW what cams are you running?
    Last edited by GazM3; 03-22-2011 at 09:19 AM.
    BMW’s
    90 E34 M5
    84 E24 M635csi standalone ecu with coil on plug
    94 E34 540i/6 SC 5-17psi Flex fuel/standalone ecu
    97 Z3 2.8
    97 E36 M3 euro SC still u/c


    OTHERS
    11 Audi S5 APR stg2
    19 Volkswagen Amarok V6


  20. #45
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    "nice car, but nothing a nice 180sx couldn't beat"


    I know Jake is all torque...but how much torque are you guys all producing? (Gaz, Alan, Simon)
    Last edited by RN318; 03-24-2011 at 11:16 PM.

  21. #46
    Join Date
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    500 Ym
    BMW’s
    90 E34 M5
    84 E24 M635csi standalone ecu with coil on plug
    94 E34 540i/6 SC 5-17psi Flex fuel/standalone ecu
    97 Z3 2.8
    97 E36 M3 euro SC still u/c


    OTHERS
    11 Audi S5 APR stg2
    19 Volkswagen Amarok V6


  22. #47
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    dyno dynamics give a "tractive effort" reading, not an actual torque reading
    cheers, Alan



    1/4 mile-12.92 @ 108.64mph-NA 3.0L m3 daily driver

  23. #48
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    the car I am chasing in this vid was on a DD dyno in shoot_6 3 days before this, and made 126.9rwkw, I put my E30 on the same DD dyno I usually go to today, and mine made 127.5rwkw, and my race weight is exactly 40kg more than car I was chasing (we had to weigh in after this race)

    [ame]http://www.youtube.com/watch?v=ULWW6Uap-4M[/ame]
    cheers, Alan



    1/4 mile-12.92 @ 108.64mph-NA 3.0L m3 daily driver

  24. #49
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    Quote Originally Posted by morerevsm3
    now that I look, it was 267rwhp

    275 was with the 283 cams and air filter problem (which I worked out a few days later at drags)

    will be looking for somewhere around 350+ rwhp, but that is with 13.5:1 pistons, E85, forged rods, ported 3.2 head with oversize inlets, shim under bucket conversion, Ti retainers, custom cams and 9000rpm along with the DTA fast ECU
    I'm confused, it trapped 106mph with 267rwhp, and with 275rwhp trapped 103mph?

  25. #50
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    one was at calder, which is night meets almost at sea level, the other at heathcote during the day, in the central highlands of vic
    cheers, Alan



    1/4 mile-12.92 @ 108.64mph-NA 3.0L m3 daily driver

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