M42/M44 Supercharger kit (mini blower) - Page 4

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Thread: M42/M44 Supercharger kit (mini blower)

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    #31
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    At a guess I would expect to pay around £2k. Anything below that would be very good. DASCs were £3k brand new and imported.
    BMW: The Ultimate Driving Machine
     
     

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    #32
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    Quote Originally Posted by RBIMMERSRS View Post
    I've just emailed Peter but does anyone know the rough cost of this if its successful? Hows the development going?
    Peter is back from holiday and with a bit of other things to do my car should be back with him in a couple of days. So, not there yet and I haven't forgotten to update with data etc. when done.

    Pricing he is a bit coy about but from discussions I think it will be pretty competitive
     
     

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    #33
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    The thing to remember with any engine upgrade, especially forced induction is what effect it has on other components. If any of you have read my build thread you can see the cost does not stop as the 'kit' so to speak. There are numerous other considerations and actions you HAVE to do as well.
    Z3
     
     

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    #34
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    Quote Originally Posted by markrnorton View Post
    The thing to remember with any engine upgrade, especially forced induction is what effect it has on other components. If any of you have read my build thread you can see the cost does not stop as the 'kit' so to speak. There are numerous other considerations and actions you HAVE to do as well.
    Very true mate. I did my brakes first. My clutch is currently holding up but I'm expecting my diff to go at some point.
    BMW: The Ultimate Driving Machine
     
     

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    #35
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    Quote Originally Posted by markrnorton View Post
    The thing to remember with any engine upgrade, especially forced induction is what effect it has on other components. If any of you have read my build thread you can see the cost does not stop as the 'kit' so to speak. There are numerous other considerations and actions you HAVE to do as well.
    A lot of sensible advice in Mark's thread.

    We've also done this on a much lighter car first which has other implications again, apart form making it quite nippy

    The road-car Peter is doing will use the same SC kit but will of course bring with it other things as per Mark's thread.
     
     

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    #36
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    I would say that cooling becomes an issue once you get boost above 6-7psi. water system has to be in top condition and exhaust side needs to be addressed. Then once you approach 10-12psi of boost charge cooling is the next order of the day.
    Z3
     
     

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    #37
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    HI, how is this going then? Is the solution complete?

    Read all of your thread Mark. Good work.

    I haven't the car yet myself (nor will do for a while :'( ).... always fancied an e30. 318is is a nice balance of rare and retro also.
     
     

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    #38
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    Hi,

    First post on this forum so i'll start by sayin hello and tell you who i am.

    I'm matt or as i know on most of the other BMW forums Appletree

    Ive done 2x M42 supercharger conversions one using a M45 eaton charger (205bhp 176fl/lb) and one using a Rotrex C30-84 charger (285bhp 215ft/lb) and have some knowledge from my set ups you might find intresting.

    My first eaton set up was finished anout 5 years ago and at the time was as far i knew one f only 2 supercharged M42's here in the UK the other being a Z3 with the DASC kit on it so i had little to go on for getting the car running.

    The main problem with the M45 charger appart from the lack of mounting points is that its realy abit small for the M42. its not hard to work out and even BMW only fitted it to the 1.6 lump.

    Due to the above the charge makes alot of heat trying boost the M42 engine. i ran mine off the standard 6v crank pully which gets you to nearly the max rpm of the charger which is about 8psi, for me this made 205bhp but the main problem was the amount of heat the charger produced on the rollers when the car was being mapped, with no charge cooling we got inlet temperatures uf nearly 70C! with my charge cooling we managed to lower the inlet temps down to around 45C but we were always fighting against the heat. I even tryed fitting a bonnet vent to try and cool the body of the charger down which it did but the problem is still there the charger is to small and needs some sort of cooling on it AS BMW DID!

    You might get away with it on a very light weight car but if you start fitting the chargers to heavy road going cars then the extra weight will make the chargers work even harder and then you get even more heat.

    Some pictures for you.

















    Dyno result- 284.5bhp and 219.4ft/lb at 7083rpm very pleased with it.
     
     

  10. The Following 6 Users Say Thank You to Appletree318is For This Useful Post:

    lzw99 (27-08-2012),markrnorton (03-09-2012),matthew_henson (26-08-2012),Prince (26-08-2012),socleanitsdirty (10-12-2014),Wanda (17-10-2012)

  11.  
    #39
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    Hi Appletree... yes saw your thread on e30zone... you car is epic. Well done.

    Somehow I'd missed the part about the eaton being too small. Thanks for posting that.
     
     

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    #40
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    has anybody ever considered using the supercharger from a C-Class Merc 230 kompressor, you can pick a whole car up for £500 and the compressor is designed to work in conjuction with and intercooler
     
     

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