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Jet Size???

Discussion in 'XJ Technical Chat' started by jhfrank, May 19, 2011.

  1. jhfrank

    jhfrank Member

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    Hey all.. just looking for some advice on putting new main jets in my carbs. I have just cut out the airbox and have bought 4 chrome air filter pods. As well I have cut a chunk of metal out of the muffler to increase exhaust flow as well as having the 4 pipes go into one.

    My main jet size is 120. What should I increase it to? 130, 135???

    Any suggestions?
     
    jhfrank, May 19, 2011
    #1
  2. JeffK

    JeffK Well-Known Member

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    LOL.....you're about to find that there seems to be quite a bit of contention about the installation of pods on this forum.

    My advice (for whatever thats worth) is to let the engine guide you. I'd start by taking the mains up by at least 2.5 points and the pilots 5 points and then after all the basics are covered(coils,plugs,valve clearences, wires and timing) start doing plug chops and pay attention to what they tell you.

    Hopefully, you'll get a few responses from others that have the same setup and won't have to go with my "plan B" advice.

    jeff
     
    JeffK, May 19, 2011
    #2

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