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Ideal fuel system for an evenfire v-6

Discussion in 'Flat Fender Tech' started by lowslowTJ, Feb 25, 2009.

  1. Feb 25, 2009
    lowslowTJ

    lowslowTJ Member

    Joined:
    Jul 13, 2008
    Messages:
    92
    So in your expert opinions what would be the ideal fuel system for a 85 even fire buick v-6 in a flatty be?.

    I have converted to a 79' (non-computer controlled HEI) and am running a manual tranny (with an OD). I pulled that computer controlled carb off and left it somewhere!

    I am interested in running something that wont require much knowledge of carb tuning or creating a computer out of a toaster oven to run TBI.

    Can I run a Rochester 2g? (if so where do I find one?)

    Can I run a Holley without breaking the bank?

    thanks in advance :)
    :v6:
     
  2. Feb 25, 2009
    cj-john

    cj-john Member

    Galveston, IN.
    Joined:
    Aug 9, 2006
    Messages:
    242
    Have you considered a Howell fuel injection? I think with an even fire it should not be too much trouble to make it work. I have read some post about running one on a odd fire but you should not have those issues. I have a TPI on my GPW and a Holley Truck Avenger on the white Jeep. The TPI is absolutely awesome. Runs at any angle and never misses a beat. The Holley does work well on the trail but I have never really got it tuned for the smallish Dauntless V6. It still has a flat spot if you stab the gas from an idle. Sent it back to Holley and it is better but not totally gone. You might be suprised how easy a FI is once you get into them. From what I've read the Howell set up is pretty much a plug and play set up. I'm actually ready to take the carb of my white Jeep and explore some sort of FI.
     
  3. Feb 25, 2009
    lowslowTJ

    lowslowTJ Member

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    Jul 13, 2008
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    I will look into Howell a bit more thanks.
     
  4. Feb 25, 2009
    michigan_pinstripes

    michigan_pinstripes I'm not lost, I'm wandering

    Clarkston MI...
    Joined:
    Aug 20, 2003
    Messages:
    605
    Cheap solution -- Stock Buick V6 4bbl Rochester pre computer. V6 4bbl were common in the full sized computer controlled carb Lesabre base models. (4bbl V6 was intended to be for passing power -- it didnt do much)

    Only diff in carbs is a computer controlled M/C solenoid for mixture. A standard Rochester will bolt right up.


    Compared to a 4,000 lb Lesabre, that 2,500 lb flattie will perform well

    No 231 TBI ever existed. I have a theory that a 1985 FWD Park Avenue or Olds Ninety Eight EFI will bolt up. Rumor has it that the "new" 1985 FWD engine had off the shelf RWD heads with extra accessory mounting holes to accomodate a FWD install. Supposedly, the FWD heads were not done yet so they made do. Theory/rumor/pipe dream is that only that year FWD intake will bolt up to a RWD engine (however throttle body faces firewall). In 1986, Buick retooled the heads and is truly FWD only.

    This would be a Jeep Holy Grail unless proven a myth. 1985 computers controlled cars are pretty primitive (the toaster)
     
    Last edited: Feb 25, 2009
  5. Feb 26, 2009
    Bucket of Bolts

    Bucket of Bolts Broke Member

    Dinuba, Ca.
    Joined:
    Jun 3, 2006
    Messages:
    60
    prior to the computerized version on those engines and some V-8's gm used a rochester dual jet, It is basically the front half of a quadrajet. requires a goofy shaped air cleaner to fit the carb. I was not happy with the motorcraft carb on my small block Ford, tried a holley I had laying around, it ran great down the road but wouldn't take much of an incline without flooding out. I called Competition Carburation in Reno, a performance carb shop that had built a couple stock car carburators for us in the past, and asked for his opinion. He recomended the dual jet for several reasons. float bowl design and where the float and fuel inlet are located where a couple of the biggies. I had to make an adapter for my application, but it runs great and havent been able to make it stumble when off road. He also recommended running an adjustable fuel preasure regulator and turning the fuel preasure down when off road. less turbulance in the bowl when fuel is let in and slightly lowers the fuel level in the bowl due to less preasure against the needle. Been working great for me.
     
  6. Feb 26, 2009
    Dummy

    Dummy I kick hippies

    Escondido, CA
    Joined:
    Dec 5, 2004
    Messages:
    646
    Get a Motorcraft 2100 2bbl off of a Ford V-6 or small 289/302 V-8 and run it with a Trans-Dapt adapter to go from the small 2bbl to big 2bbl mounting pattern. Lower the floats and you'll be happy. There are 3 sized (based on the venturi diameter). You want the 1.14-inch version. Maybe the 1.08-inch, but steer clear of the 1.21 since it'll dump too much fuel. These were on the larger Ford and AMC V-8s.

    I ran the 2G on Hatari's 225 and it did okay on side-hilling, but didn't do as well during steep climbs/decents as well as a MC 2100.
     
  7. Feb 26, 2009
    lowslowTJ

    lowslowTJ Member

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    thanks guys. I am not sure what I will do yet, but that MC sounds easy and inexpensive!
     
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