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carter or solex

Discussion in 'Flat Fender Tech' started by cj3bnewb, Jan 7, 2012.

  1. Jan 7, 2012
    cj3bnewb

    cj3bnewb New Member

    Joined:
    Sep 19, 2011
    Messages:
    6
    Hey guys/gals The jeep suffers from hard starting need to squirt some fuel in carb to start it. let in warm up for ever in order to run.Seems to be a common issue. We were thinking of putting a new carb on it. Not sure on how to tell what carb I have as there seems to be no markings on it. Any ideas Maybe I will post some pictures later today if that helps.
     
  2. Jan 7, 2012
    theotherjmmy

    theotherjmmy Member

    Austin, Texas
    Joined:
    Mar 7, 2009
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    156
    The Carter should have a baffle on the top for the choke and one at the bottom for the throttle. The Solex won't have a baffle for the choke as it uses a fuel redirect stream thing or some such nonsense. I replaced my Carter with the Solex as I couldn't get the Carter to idle right.
     
  3. Jan 8, 2012
    Mike C

    Mike C Member

    Austin, TX
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    Feb 19, 2007
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    743
    My L head has a Carter and my F head a Solex. I find the enrichener circuit on the Solex to be easier starting, and the needle and seat stick more on the carter as well. (Have to tap it on top to bust it loose before will start) But both my jeeps are used off-road only and sometimes go months without being started. Clean and in good mechanical shape, either will work well. Obviously the Solex is much easier to acquire new.
     
  4. Jun 2, 2012
    davet

    davet Member

    Andover, MN
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    Jul 30, 2003
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    Mike, I'm considering a Solex due to a real bad flat spot that I can't work out of my Carter. I also use mine offroad but the street too. I've always liked how the Carter performed offroad when working properly. I'm interested to find out your experience with the Solex offroad. My Jeep sits in the garage during the winter months. Do you have any issues with it relating to that? How easy is it to get adjusted corectly? Thanks, Dave.
     
  5. Jun 2, 2012
    1960willyscj5

    1960willyscj5 Well-Known Member

    Mesa, Arizona
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    Nov 27, 2006
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    Ya know, I can't figure out why people take really good winter driving vehicles and stuff them in garages during winter.
    But, that is just me.
     
  6. Jun 2, 2012
    68BuickV6

    68BuickV6 Well-Known Member

    Hesperia, CA.
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    Mar 12, 2012
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    2,160
    I prefer to protect my classics from rustin' out.

    On topic, when you store it for the winter, are you taking necessary steps to prepare it for storage?
     
  7. Jun 3, 2012
    1960willyscj5

    1960willyscj5 Well-Known Member

    Mesa, Arizona
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    Nov 27, 2006
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    Yeah, well. I drive mine all year round. But then, winter temps don't run lower than 26 degrees F most years.
    It's the other temps that will get ya!
     
  8. Jun 3, 2012
    garage gnome

    garage gnome ECJ5 welder

    Western MA
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    Jun 19, 2009
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    3,092
    :iagree:

    Anyways, did you add fuel stabilizer before you put it in storage? If not the carb will need a good cleaning and rebuild. IMO, stick with the Carter. The solex carbs are way too picky when a piece of junk gets stuck in it and the fuel pressure need to be regulated. The carter is a much more forgiving carb.
     
  9. Jun 3, 2012
    Vanguard

    Vanguard Take Off! Staff Member

    Vista, CA USA
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    Aug 30, 2006
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    2,259
    I disagree. Get the solex. A new carb is a much better choice. Did wonders for my jeep when I replaced the Carter. You can only rebuild them so many times. The solex bolted on to my engine in 10 mins and ran great out of the box. Fuel pressure did not need to be regulated either.
     
  10. Jun 3, 2012
    EricM

    EricM Active Member

    Southern California
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    Dec 19, 2007
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    Barney Roos spec'd a Carter. Go with that.
     
  11. Jun 4, 2012
    w3srl

    w3srl All-around swell dude Staff Member

    Port Orange, FL
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    Nov 6, 2002
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    4,275
    A new Carter (emphasis on the new part) is a great carb for on road or off, the problem is that just about every WO or YF out there now has a worn throttle shaft. The worn shaft will present a vacuum leak that makes the performance unstable. The only way around this is to find an NOS carb or have yours professionally re-bushed and a new throttle shaft installed.

    Lots of folks swear by the Carburetor Doctor http://carbkitsource.com/

    I used a new Solex on my flatty when I rebuilt the engine and it worked flawlessly. Yes, it does have some quirks that are particular to the carb, but they were just different, not bad. Starts were much easier, my idle was rock steady and performance was better than my tired old WO even after I "rebuilt" it. After sittingg a few days though, it wuld drain back and it would take 5-10 seconds of cranking before it would fire over, and it had a mild stumble until it was warm. Neither of these was enough to make me spend a pile of money to get the carter redone.
     
  12. Jun 4, 2012
    davet

    davet Member

    Andover, MN
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    How is the Solex on rough terrain and steep hills? I'm bout ready to give up on my original carter.
     
  13. Jun 4, 2012
    Vanguard

    Vanguard Take Off! Staff Member

    Vista, CA USA
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    Mine worked fine on the John Bull trail.
     
  14. Jun 4, 2012
    w3srl

    w3srl All-around swell dude Staff Member

    Port Orange, FL
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    No problems at all off road, and I had mine at some scary angles at times!
     
  15. Jun 4, 2012
    davet

    davet Member

    Andover, MN
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    That's interesting. I've gotten rid of my oil bath air cleaner and just run a cone filter, milled head and bigger exhaust. Is there room for tuning with the Solex within the stock specs to compensate or will I be looking at jet changes? You guys know anything about the Weber kit?
     
    Last edited: Jun 4, 2012
  16. Jun 5, 2012
    davet

    davet Member

    Andover, MN
    Joined:
    Jul 30, 2003
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    My Carter has worked almost as good as fuel injection off road when it has been set right. A different carb won't do me any good if it stumbles off road.

    Are the hard plumbed fuel filters better at keeping that crud out than my clear plastic in rubber line?

    Is the Solex side hung or front hung float?
     
    Last edited: Jun 5, 2012
  17. Jun 9, 2012
    Mike C

    Mike C Member

    Austin, TX
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    Wow, somehow missed this question to me way back. Sorry! I don't have any issues offroad with either. But then again, I have never attempted any really long uphill climbs either. I have no issue with either, just 6 of one half dozen of the other as far as that goes.
     
  18. Jun 9, 2012
    davet

    davet Member

    Andover, MN
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    Thanks.
     
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