4.5 carb and distributor conversion
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HT4100 4.1, 4.5, 4.9 Discussion, 4.5 carb and distributor conversion in Cadillac Engine Technical Discussion; I am new to this site and am looking gfor some help on converting a 4.5L to carb. I have ...
  1. #1
    sut195 is offline Cadillac Owners Member
    Automobile(s): 4.5L
    Join Date
    Feb 2011
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    4.5 carb and distributor conversion

    I am new to this site and am looking gfor some help on converting a 4.5L to carb. I have it in a fiero and want to convert it to carb and know the dist. has to be converted. I found out that you use the internals from an olds dist. but cant find out which cars or years or engines to get the olds dist. from. Can anyone help me on this? Also I think the 500 cfm holley 2 barrell is what most run but has anyone ran a 600 holly 4 barrell? Thanks for any help you can give! Phillip

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  3. #2
    ehall's Avatar
    ehall is offline Cadillac Owners Connoisseur
    Automobile(s): 1985 Sedan DeVille
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    Southern Maryland
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    Re: 4.5 carb and distributor conversion

    FI is better and it works with our stock setups, so we don't mess with carbs on the 4.x engines...

    Would be nice to have the information though, let us know what you find

  4. #3
    drewsdeville is offline Cadillac Owners Master
    Automobile(s): 2011 Crown Vic LX
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    Oct 2004
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    5,310

    Re: 4.5 carb and distributor conversion

    Have you searched the internet? I'm 100% positive a few other Fiero owners have done this already...

  5. #4
    sut195 is offline Cadillac Owners Member
    Automobile(s): 4.5L
    Join Date
    Feb 2011
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    46
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    Re: 4.5 carb and distributor conversion

    Yes there are others who have done it but havent been able to find any detailed info on it. As far as the fi working better, I agree but on this particular one its no longer an option for me.

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