[Diy_efi] Re: Was 1.3l TBI project, now ITB

[mark krawczuk]

hi,  find the  idle mix screw , screw it in till it  just starts to die down in revs.
then  from that  point, unscrew the screw,   (i usually do it in half turns )  till it starts to pick up in revs.
then stop turning till it wont pick up in revs no  more......

simple !!

mark k

  ----- Original Message ----- 
  From: Lee M. Lemoine 
  To: diy_efi at diy-efi.org 
  Sent: Thursday, 26 January 2006 4:02 PM
  Subject: Re: [Diy_efi] Re: Was 1.3l TBI project, now ITB




  >>Gee. Takes you back to the days of using Amal M/C carbs on 4 cyl hot car
  >>engines.  :-)

  It's funny, my dad has a 262 slant six in one of his trucks..  asked me to do a tune on the carb.  I have no friggin clue how to do that.  Yet i've done all kinds of EFI stuff, gone as far as making my own crank triggers by modifying junkyard parts, etc etc.   yet...  i couldn't tell you how to tune a carbeurator.  It's quite interesting.  I guess i'm just part of that 'new generation'  that understands fuel injection as a whole, but all that 'analogue' technology still baffles me. 

  I'd be the one who'd actually build and use the 555 timer IC type fuel injection on my weedwhacker before i'd actually figure out how to fix the stupid carbeurator on it. 


  On 1/25/06, Don Sauman <donsauman at cythera.net> wrote:
    Gee. Takes you back to the days of using Amal M/C carbs on 4 cyl hot car
    engines.  :-)

    Don

    Tom Visel wrote:

    > Howzabout motorsickle stuff?  2 sets of 46mm crotch rocket ITBs might
    > get it to breathe.  They pop up on eBay pretty regularly. 
    > TomV
    >
    >
    > Bill Shaw wrote:
    >
    >>I haven't decided much yet,  just idle thoughts.  A friend on the left coast
    >>is making some serious power in his stroked 928 with individual TWM TBs. 
    >>I'm on much more of a budget, so the thoughts about OEM TBs.
    >>
    >>The 928 is a V8.  8 runners feed straight into the top of the head from a
    >>common plenum throttled by a LT1 TB,  currently around 400rwhp with the 
    >>Vortech @ 9 psi.
    >>
    >>http://p-928.home.comcast.net/749.html
    >>
    >>The intake is the big restriction here,  I can make a lot more power with a 
    >>better intake system.   8 little Geo TBs fed from a common plenum might be
    >>an interesting way to go.
    >>
    >>Bill
    >>'84 928s 5 sp. Vortech/749
    >>
    >>
    >> 
    >>>From: "Rod Hiorns" <R.E.Hiorns at IEE.org>
    >>>
    >>>I suggest you check out bike ITBs. Have you decided what size ITBs already?
    >>>What's your peak power, number of cylinders, and runner centerline spacing?
    >>>Rod
    >>>
    >>>
    >>
    >>
    >>
    >>>Behalf Of Bill Shaw
    >>> 
    >>>
    >>
    >>
    >>
    >>>What's the throttle body look like on the 1.3 metro?  What's the diameter?
    >>>I was thinking about using 8 small tb's for my 928 if I could find something 
    >>>the right size.
    >>>
    >>>Bill
    >>>'84 928s 5 sp. Vortech/749
    >>>
    >>>
    >>>
    >>
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    >>
    >>
    >>
    >>
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    --
    Don Sauman 

    Documentary Photography and Video
    Cythera Applied Research Consultants

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    Carlisle 6101
    Western Australia

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  -- 
  Sincerely,

  Lee M. Lemoine
  http://www.turbochargedsoul.com/
  http://www.snefools.org/ 


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