Volvo RWD 140-160 Forum

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K-Jet to Webber Swap 140-160

posted by  someone claiming to be Mark81glt on  Wed Oct 8 09:55 CST 2008 [RELATED]

I have a 74 142 that has been in my garage since 1987 and i am in the process of getting it back in action, and the question I have and hopefully someone has done this, is swapping out the old k-jet system for a carb setup. Any advice on the swap would be great.

thanks in adavance,

mark








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    K-Jet to Webber Swap 140-160

    uid 37336's pic
    posted by  B20Paul. on  Sat Oct 11 05:06 CST 2008
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    last visit: Mon Oct 20 10:54 CST 2014
    [RELATED]

    Is your K-Jet injection toast?

    Something you'll need is a different fuel line from the 1/2" pickup to the 5/16" fuel pump & something to block the return line in to the tank.







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      K-Jet to Webber Swap 140-160

      posted by  someone claiming to be Mark81glt on  Mon Oct 13 12:34 CST 2008 [RELATED]

      Ya the k-jet is in tough shape, the return line and the vapor lines are all rotted. I just dont want to deal with all the hassels of trying to clean and figure out all the little issues accompanied with it when I get the motor back in. Ya if you want all the stuff your more than welcome we can come up with a price. email me. marky0823@gmail.com







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    K-Jet to Webber Swap 140-160

    posted by  walrus3 on  Wed Oct 8 11:40 CST 2008
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    last visit: Mon Dec 2 14:20 CST 2013
    [RELATED]

    Side draft webers? OK!
    Downdraft weber? No - go with SU HS6 or HIF6 carbs on an earlier manifold!
    --
    George Downs, Bartlesville, Heart of the USA!








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      K-Jet to Webber Swap 140-160

      posted by  jparker3 on  Thu Oct 9 12:20 CST 2008
      Author: [PROFILE] [EVERY POST] [THREADS] [BEST POSTS] RSS Feed     [IGNORE ALL POSTS]
      last visit: Tue Jun 9 18:47 CST 2009
      [RELATED]

      Going with Mikuni HSR 42s or 45s on an early aluminum SU manifold is even better.

      A quote from Christopher Georger who installed them 10 days ago:

      "Drive went very well and god there is a serious impact on acceleration.
      Gobs of Grunt!"

      John
      V-performance.com







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        K-Jet to Webber Swap 140-160

        uid 37336's pic
        posted by  B20Paul. on  Sat Oct 11 05:02 CST 2008
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        last visit: Mon Oct 20 10:54 CST 2014
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        Going with Mikuni HSR 42s or 45s on an early aluminum SU manifold is even better.

        How much at what rpms?

        "Drive went very well and god there is a serious impact on acceleration.
        Gobs of Grunt!"

        Was that changing from a single Stromberg?







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          K-Jet to Webber Swap 140-160

          posted by  jparker3 on  Wed Oct 15 08:08 CST 2008
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          last visit: Tue Jun 9 18:47 CST 2009
          [RELATED]

          It was a change from dual HS6's, though he had also had weber DCOE's on it.
          No dyno on this engine since the change.
          The object is to get power similar to the Webers with fuel economy as good or better than the SUs. We have documented both on other engines.

          John
          V-performance.com








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            K-Jet to Webber Swap 140-160

            uid 37336's pic
            posted by  B20Paul. on  Wed Oct 29 21:33 CST 2008
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            last visit: Mon Oct 20 10:54 CST 2014
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            We have documented both on other engines.

            We are still waiting for some evidence!.

            How about a back to back test between twin HS6 vs twin HSR42's on the same stock B20B?







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            K-Jet to Webber Swap 140-160

            uid 37336's pic
            posted by  B20Paul. on  Fri Oct 17 21:59 CST 2008
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            last visit: Mon Oct 20 10:54 CST 2014
            [RELATED]

            Got any facts to go with that statement?

            How do you manage to beat twin 45 or 48mm DCOE's for power without doing something wrong or beat SU economy?







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        K-Jet to Webber Swap 140-160

        posted by  ooooo on  Fri Oct 10 19:10 CST 2008
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        last visit: Sat Mar 15 23:32 CST 2014
        [RELATED]

        how much cmf will your fead flow what rpm will you be running at.i had hs6 now dgv on my b20 12. had hs4 then dgv on myu mgb 125 strombergs now hs6 on my triumgh gt6 below 5000 rpm its proper jetting







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