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470 Truck Avenger carb. on a 225

Discussion in 'Early CJ5 and CJ6 Tech' started by mountainrat, Mar 16, 2011.

  1. Mar 16, 2011
    mountainrat

    mountainrat New Member

    Oregon
    Joined:
    Feb 19, 2008
    Messages:
    42
    I know I've seen discussion on this carb. here somewhere but I can't seem to find it now. Is it a workable combination or poor throttle response?

    I am running an Offy intake and comp. 252 cam.
     
    mountainrat, Mar 16, 2011
    #1
  2. Mar 16, 2011
    duffer

    duffer Rodent Power

    Bozeman, MT
    Joined:
    Sep 17, 2009
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    4,524
    I think it will work. Running a 450 cfm on my 225 and the only real problem is it is pretty sensitive to big elevation changes (4 to 5k feet). With Holleys, you have enough selection on power valves, diaphram springs, accelerator pump cams, and jets to tweak them about anyway you want. If it bogs on the secondaries, just change out the diaphram spring to delay the opening a bit.
     
    duffer, Mar 16, 2011
    #2
  3. Mar 16, 2011
    wlkrpines

    wlkrpines Member

    FERNDALE, MT
    Joined:
    Mar 22, 2008
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    61
    wlkrpines, Mar 16, 2011
    #3
  4. Mar 16, 2011
    nickmil

    nickmil In mothballs.

    Happy Valley, OR
    Joined:
    Sep 23, 2002
    Messages:
    12,530
    I think Patrick is/was running one as well. Might ask either one of 'em. A properly tuned 470 should work fine though.
     
    nickmil, Mar 16, 2011
    #4
  5. Mar 16, 2011
    EricM

    EricM Active Member

    Southern California
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    Dec 19, 2007
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    1,019
    Doesn't Patrick have an Edelbrock?
     
    EricM, Mar 16, 2011
    #5
  6. Mar 16, 2011
    nickmil

    nickmil In mothballs.

    Happy Valley, OR
    Joined:
    Sep 23, 2002
    Messages:
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    Could be.
     
    nickmil, Mar 16, 2011
    #6
  7. Mar 16, 2011
    Patrick

    Patrick Super Moderator Staff Member

    Los Alamos, NM
    Joined:
    Sep 22, 2002
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    Yeah, Patrick has an Edelbrock
     
    Patrick, Mar 16, 2011
    #7
  8. Mar 16, 2011
    EricM

    EricM Active Member

    Southern California
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    Dec 19, 2007
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    1,019
    What is the CFM rating on Patrick's Edlebrock?

    To keep it close to the thread topic, is it close to the CFM of a 470 TA?
     
    EricM, Mar 16, 2011
    #8
  9. Mar 16, 2011
    Patrick

    Patrick Super Moderator Staff Member

    Los Alamos, NM
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    500.
     
    Patrick, Mar 16, 2011
    #9
  10. Mar 16, 2011
    Warloch

    Warloch Did you say Flattie??? Staff Member

    Falcon, CO
    Joined:
    Mar 4, 2003
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    5,473
    Yup - the TA470 works fine on the 225, at least it did for me and Clint. I know a couple folks gave up on it, but I found it to be the best until I went to FI. I have run Holley 390s and tried the Edelbrock 500s. I prefered the Edlebrock 500, but could not get the 2 I tried to tune and then went 390s till the TA470s came out.

    The key is to tune with a Vac gauge, both idle and running operations. It lets you know where things are when they kick in and makes work with the Holley much easier.
     
    Warloch, Mar 16, 2011
    #10
  11. Mar 16, 2011
    mpc

    mpc Member

    Vista, CA 92083...
    Joined:
    Aug 18, 2005
    Messages:
    779
    mpc is running a TA 470 in his 231 odd-fire and he likes it. It ran great right out of the box. It seems to work equally well at sea level and at 7,000 ft with no fuss.
     
    mpc, Mar 16, 2011
    #11
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