1998 e36 1.9 Z3 - M44 supercharging thread - Page 3

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  1.  
    #21
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    The innovate datalogger can log several parameters with the add on units available. The main reason i went for it is accuracy. it also has the option of the opentune unit which connects direct to the obd2 socket and logs direct from the ecu rather than independant sensors.

    I tried to set up the boost gauge tonite and failed miserably, super tech instructions not good after work.

    i have re-read them now and i think i see where i went wrong.

    will have another go tomorrow night.

    keen to get this all finished now
    Z3
     
     

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    #22
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    nice instructions !!
    Z3
     
     

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    e28 (14-04-2010)

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    #23
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    Quote Originally Posted by markrnorton View Post
    nice instructions !!
    eeek!!!.. seems a LOT more complicated than boost gauges I've fitted in the past which usually consisted of finding a vacuum source on or near the intake manifold - running piping to the sensor or gauge (depending on electrical or mechanical) and connecting 3 or 4 wires!..

    good luck with it!!

    * 2016 BMW M135i LCI (F20): current
    * 2016 Mercedes Benz GLA 200d AMG Line (X156): current
     
     

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    #24
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    its not actually a boost gauge, its a scientific gauge with a 0-5v maf sensor. so thats why it need setting up.

    figured it out and it works a treat now, extremely sensitive. set it to read psi to start with, then it read 14.4psi with the engine off, so pretty much correct at atmospheric pressure. made the correction for atmos pressure and it now reads 0psi with engine off.

    re-set the high recorder as well so i can recall peak boost. i'm going to test this first before i fit the NRV to the injector line, see how much boost it gains.

    this is the finished console. just need the fuel pressure gauge now.



    its close to finishing now, i am keen to get it out and see what it feels like now. and also get it back on the dyno.

    just to go over what i have done since the first dyno run:-

    chromoly lightened flywheel with M3 3.0 clutch
    NRV for the air injector line
    2.5" straight through exhaust with single box
    200cell sports cat convertor
    Z3
     
     

  8.  
    #25
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    this is the look from the back with the exhaust finished. i still have to re-fit the undertray.

    exactly how i wanted the silencer, high up so you cant see it from the rear.
    just need to finish around the rear pipe, it looks small on its own but it is 2.5" all the way through with ground clearance of approx 100mm. i am hoping this will be ok. if not i might have to skid plate it.





    Z3
     
     

  9.  
    #26
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    wow... ! This has made me think a bit about my M44 block, yeh ok my car is heavier but I wouldn't mind a supercharged 318iS... hmmm.

    Amazing thread buddy! Rated 5 stars in my eyes!

    I am gonna be watching this intently! A real possibility for me I think
     
     

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    #27
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    bit of a scare wth the cooling system , but i'm going to give it a bit of a blast soon and a good run. see if that clears the mayo on the cap. i still think the lower hose is a bit cool but, we'll see. i hope it isnt the HG. i think its the winter layup and cold

    what has come out of fitting the boost gauge is its down on boost (on what it should be making). it recorded peak boost of 6.5 psi, should develop 7.5psi.
    this is good and bad.

    bad that there must be a leak somewhere, i am guessing the injector breather lines are leaking more boost than they should. i will fit the NRV to the air line to confirm this over the weekend.

    good because it made 208hp at 6.5psi last time on the rollers . once i get it upto 8-9psi (my target) it should make a fair bit more power. i am guessing another 20hp.

    i hope to hit my target of 230hp. it certainly picked up quick this morning with the new flywheel.

    I also got the afr data logger hooked up to my laptop, it works a treat, realtime logging, i am definately going to go for the opentune option to log more parameters.
    Z3
     
     

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  12.  
    #28
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    Quote Originally Posted by markrnorton View Post
    bit of a scare wth the cooling system , but i'm going to give it a bit of a blast soon and a good run. see if that clears the mayo on the cap. i still think the lower hose is a bit cool but, we'll see. i hope it isnt the HG. i think its the winter layup and cold

    what has come out of fitting the boost gauge is its down on boost (on what it should be making). it recorded peak boost of 6.5 psi, should develop 7.5psi.
    this is good and bad.

    bad that there must be a leak somewhere, i am guessing the injector breather lines are leaking more boost than they should. i will fit the NRV to the air line to confirm this over the weekend.

    good because it made 208hp at 6.5psi last time on the rollers . once i get it upto 8-9psi (my target) it should make a fair bit more power. i am guessing another 20hp.

    i hope to hit my target of 230hp. it certainly picked up quick this morning with the new flywheel.

    I also got the afr data logger hooked up to my laptop, it works a treat, realtime logging, i am definately going to go for the opentune option to log more parameters.
    hope its not the HG mate.. I thin k with the way the weathers been lately and if you've done lots of short journey's its more likely to be condensation that'll burn off (hopefully!!)

    230 bhp in your car (which is lighter than the 6 cylinders) will be fun - especially coupled with your suspension/handling mods!..

    keep us posted on progress!!

    * 2016 BMW M135i LCI (F20): current
    * 2016 Mercedes Benz GLA 200d AMG Line (X156): current
     
     

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    #29
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    brilliant piece of writing, mark! and a brilliant car, as well! congrats!
     
     

  14.  
    #30
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    The lack of boost is not a leak !! its the lack of crank pulley

    on further investigation the UK crank pulleys are smaller in diameter than the US ones, so hence the lack of outright boost.
    i am trying to get a small s/c pulley to compensate for this.

    got the plugs out at the weekend, looks like it may have run slightly lean initally before the re-map. got some new 'cooler' running plugs on order . couldnt seem to find any copper core plugs in the usual shops, only the expensive iridium or platinum.
    Z3
     
     

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