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Thread: Throttle Bodies

  1. #1
    Join Date
    Feb 2006
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    Devonport, Tasmania
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    Throttle Bodies

    Hey guys im thinking of going down the throttle bodies route for my mk1 project. something a little bit different. not sure what engine im looking at yet. Either a 2L 8v or 2L 16v.

    Can anyone please point me out to some good websites about them? Especially for golf engine applications.

    Or should I forget them completely. I dont want to go down the forced induction route because it seems to be the norm (no offence to anyone )


    cheers guys
    Eric
    2000 SAAB 9-5 Aero - Stage 2. 275hp 420Nm, Brew City Boost
    1986 SAAB 900 Turbo 16 S

  2. #2
    http://www.badger5.co.uk/

    iTB's, you will be talking 190BHP+ from a good 2.0 16v or abut 170bhp from and 8v cross flow.

    They are great but setting up can be a pain in the butt!

    Someone before has run them (i think it was valver or someone) on a seat ibiza, getting it tune was a pain as i remember.

    easier and cheaper to run twin 45's carbs and about the same power (my mates mk1 2.1 16v twin 48's was 210bhp!)

    i would look into your managment and tuning options first to see if you can go iTB's.

    There is some threads in the members motors on CGTI forum of guys with iTB's
    Velly
    '91 2.0 8v GTI

    Quote Originally Posted by DubSteve View Post
    I have wood thinking about you

  3. #3
    Join Date
    Jun 2005
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    Adelaide
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  4. #4
    Join Date
    Aug 2006
    Location
    Melbourne VIC
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    Mate if u r going ITB's check out http://www.efihardware.com/efi_throttle.html

    That is what we run on the 16v

    or gsxr1000 r compact and cheap i beleive

  5. #5
    Join Date
    Feb 2006
    Location
    Devonport, Tasmania
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    Users Country Flag Thread Starter
    thanks guys.

    would twin 45's use more fuel than ITB's? or about the same?

    For the VW 2L 16V engine.

    45mm throttle bodies which mount directly to the cylinder head.
    A comprehensive kit is available from;
    Badger5 Ltd., 57, Adelaide Gardens, Stonehouse, Gloucs, GL10 2PZ
    Tel; (44) (0)1453 827936, Fax; (44) (0)870 0561360
    Email; bill@Badger5.co.uk, Web; www.Badger5.co.uk

    Engine application data
    this is what im thinking about.

    ill look into the gsxr1000 throttle bodies. would they be big enough though?
    2000 SAAB 9-5 Aero - Stage 2. 275hp 420Nm, Brew City Boost
    1986 SAAB 900 Turbo 16 S

  6. #6
    your fuel will be pants with either of them!

    i ran twin 40's webber carbs on my cab. it double the amount of fuel i was using.

    but, fuel is cheap out here...so i wouldnt worry about that (but only having a 200 mile range was a killer tho lol)
    Velly
    '91 2.0 8v GTI

    Quote Originally Posted by DubSteve View Post
    I have wood thinking about you

  7. #7
    Join Date
    Feb 2006
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    Devonport, Tasmania
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    yea cool. well its not gonna be my daily driver anyway. Just an expensive toy lol.
    2000 SAAB 9-5 Aero - Stage 2. 275hp 420Nm, Brew City Boost
    1986 SAAB 900 Turbo 16 S

  8. #8
    Join Date
    Aug 2005
    Location
    Melbourne
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    There's another thread on here somewhere and I posted a fair bit on it... probably a few pages back now.

    Long and the short of it is, big money, or absolutely zero performance gain.

    The fuel consumption is fine on anything but wide throttle openings: the minute you open it up, your tank is drained. ITBs will use a lot less fuel than carbs, but you'll go from a combined cycle of 8.5l/100km on a 2.0 16v, to about 14l/100km combined even with the ITBs.

    1976 Project Carbon Mk1 - Sold! | 2015 Lotus Exige Cup | F80 M3 Family Wheels

  9. #9
    Join Date
    Jun 2007
    Location
    Eastern Suburbs Melbourne
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    9,006
    PM wabit abut bike carbs, quad 40's, and they're pretty gd i've heard

    http://hausbrauen.blogspot.com/2006/03/bike-carbs.html

    check that site, gd read. carbs are als0 simpler with tuning (i think) less wires anyways


    i like volkswagens
    My blog: http://garagefiftythree.blogspot.com.au/

  10. #10
    Join Date
    Oct 2005
    Location
    Nowra, NSW
    Posts
    1,642

    Will try and dig up the thread Valver, Im tossing up whether to use ITB's or not. A mate of mine has some off of a Ninja I am planning to look at, it's that or my mate has a spare GT25 turbo from a CA18 engine.....
    76 MkI 3 door - daily drive/project - 1.8 5speed
    76 MkI 3 door swallowtail - 16v track car
    76 MkI 3 door "long term" project

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