lee's supercharger install (dasc)
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  1. #1
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    lee's supercharger install (dasc)

    as with probably most 318is owners i loved the car, the drive, etc but just hankered for some more power
    and didnt fancy doing a six pot swap like most would suggest!
    so i looked into other options!

    while i did my research and waited for the right parts etc to come up for sale i set about making sure the car was ready to handle the upcoming extra power
    this included kw variant 2 coilovers





    and to help bring me to a halt a little quicker i fitted the front brakes from a e46 330
    along with the servo and mc from an m3 evo and goodridge braided hoses



    with that out of the way i was ready for more power!

    and my 1st port of call was to go for a nitrous setup



    i went all out with a direct port wet wizards of noz system complete with bottle warmer
    race controller etc but stupidly during my research i never rang the places i'd looked at online that did refills
    and most no longer did it and the closest i could find was over 80 miles away which wasnt workable so it was sold
    which brought my FAST AND FURIOUS days to an end
    luckily it was sold at a profit and i was back on the look out for a more reliable FI option

    i really wanted to supercharge it but couldnt find one for sale anywhere so nearly went for a turbo setup
    but with a stroke of a luck and numerous wanted ads posted everywhere one turned up! a DASC (just what i wanted from the start!)

    so before it all started



    it was a second hand system but looked pretty much brand new



    and as part of the deal came with an uprated pulley (3.4" instead of the standard 3.6") creating roughly in the ball park of 10-12 psi
    it also had a non return valve on the injector air feed which stops boost bleedback

    so lots of new bits ordered ie new gaskets for everywhere and new o-rings for injectors etc



    so once the weekend came the weather was workable i laid all the parts out ready



    got the installation guide up to follow on my laptop



    and set to work! first of all stripping bits out of the way





    coolant was then drained top hose removed as this was to be replaced (standard one comes too close the charger pulley)
    aswell as the maf intake boot icv etc



    then the throttle body



    and then the rest of the upper manifold



    fuel lines were then removed



    and the fuel rail removed



    from here the bit i didnt like having to hack up wiring!



    but got through it using different coloured tape for different connections etc



    once they were out of the way the lower manifold could be removed



    i was also lucky enough to get some braided steel fuel lines in the sale too so they were fitted



    the idler pulleys were then fitted (for those with the m42 wanting to fit this see princes thread to see how he got around this!)



    a new manifold gasket was then fitted



    fitted the support bracket that you can just see underneath and then tried offering it up



    fitted the rrfpr



    refitted the fuel rail



    then the throttle body, maf and intake boot etc



    initially fitted the pikey air fiter that came with it as i couldnt quite squeeze the viper back in



    heres my johny aged 5 drawing of how the belt goes on lol



    belt fitted



    new top hose fitted (notice the different shape the clear the pulley)
    and electric fan refitted
    new coolant etc


    and heres a vid of it first fired up well 2nd actually as it died 1st time and sounded like a bag of nails!
    in the vid it still sounds terrible and later realised it was because of a broken injector! (you can actually see the bit i broke on the pic of the fuel rail being removed injector 3!)



    a couple of days later i fitted the new injector and all was well!

    overall it took me between 8-10 hours with a lot of brews inbetween! but could easily half that now i know what i'm doing!

    was pretty embarressed at the state of the engine during the install so a bay detail was in order next



    needless to say it totally transformed the car! and sounds awesome under load the whine is pretty adictive and i'm still not bored of hearing it!

    after a little jiggery pokery i managed to refit the viper and as you can see from this pic i also managed to fit a 6 pot strut brace which normally isnt possible on the 4 pots



    since the install i've been wanting to get as much out of it as possible while it remaining reliable
    so every little helps so 1st up was a BBTB was fitted (on the left in the comparison pic)



    the fuel pump gave up so i fitted a walbro 255 one





    i then did my homework on how to get the most out of the tuning so after a good bit of homework etc found the way to go was
    bigger injectors (30lb from a volvo turbo)
    a bigger maf (325 maf)
    and adaptors from metric mech in the states



    this map also gets rid of the rrfpr! which i never had a problem with but most FI gurus i asked said its not the best way of doing things

    the mapping was done and the rev limit was also raised by a few hundred rpm which makes a nice difference!

    i then needed a bigger air filter to fit the bigger maf so managed to source a well known dave f kit



    i didnt have the right size intake boot but with a little help from my trusty rambo knife i made it work and capped off the bit that used to feed the air fed injectors that now doesnt

    size comparison



    the capped off part (using a dust cover from a brake calliper!)



    and fitted



    needless to say after the mapping it runs a lot better and has more ooomph and the dave f makes it sound that bit meaner!

    and thats about where i'm at for the time being! next plans are the even smaller pulley 3.2" giving 15 psi aswell as running the meth injection that this needs to make it all work!
    and some gauges to keep an eye on things!

    hope you like it and if you have any questions fire away!

    lee's supercharged 318is

  2. The Following 7 Users Say Thank You to m44lee For This Useful Post:

    Cataclysm (21-01-2013),Devil (20-01-2013),E36 TDS (20-01-2013),Emil (20-01-2013),Ferret (20-01-2013),StK (20-01-2013),wanda (20-01-2013)

  3. #2
    Skint
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    Disco Stu's Avatar
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    Piss off!!!

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    m44lee (20-01-2013)

  5. #3
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    cheers stu

    its had a few small problems a few air leaks etc which was easy enough found with carb cleaner and then new gaskets installed with sealant too

    and more recently had an idler pulley give up the ghost while out driving!





    now its a known fact that the dasc idler pulleys arent exactly great and luckily enough they were on the list of things to do and had already enquired about a new set
    and found these alloy ones with top notch double row bearings





    and fitted


    lee's supercharged 318is

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  7. #4
    ...is still Alive ;-)
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    As said before, that's a great set-up Hmmmm, after reading about those idlers failing, I might actually replace all my idlers for those metal ones, so i might need your help at some point

    Can you tell me more about those injectores ? I'm still looking to replace mine. My current injectores are from Lucas (without Air Inlet). Which volvo has them? Are they a direct fit too ? (including electrical connections ?)

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    m44lee (20-01-2013)

  9. #5
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    @wanda for me it was a case of speaking to guys that had the stage 3 tune from technique tuning that do the map and the yanks used 30lb injectors from a mustang iirc (standard 318is ones are 19lb)
    so i just looked into what cars over here had 30lb injectors and found out certain volvo's did so went for those! from what i'm told these are also at there max with the raised rev limit and new map etc
    so if and when i go for the smaller pulley i may have to look into slightly bigger ones again

    lee's supercharged 318is

  10. #6
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    Nice one dude!

    What bhp do you have after all mods?

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    m44lee (20-01-2013)

  12. #7
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    @Emil just needs a good service when the weather is a little better and then it will be put on a dyno to find out!
    as soon as i have i'll put up a scan of the printout i'm dying to know too!

    lee's supercharged 318is

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  14. #8
    Eat my soot !
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    Great write up.
    Will be good to see what the power output is too.

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  16. #9
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    Excellent work dude. Your build was what originally inspired me to go FI and not engine swap.

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  18. #10
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    Quote Originally Posted by Prince View Post
    Excellent work dude. Your build was what originally inspired me to go FI and not engine swap.
    cheers prince hope your still glad you did

    mines due a service soon and i know you'd spoke to opie ref oil but i'm still tempted to give the e46 m3 oil a whirl just the once to see how that goes!

    lee's supercharged 318is

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