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Ford 4500 Carb Question

Moderator: Mod Squad

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old28racer
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Ford 4500 Carb Question

Post #1 by old28racer » Tue May 14, 2019 11:42 pm

In the picture below of a Ford 4500 4bbl carb one tube connection is caped and it was for a heat tube for the choke, I will not need to use it as I am going to convert to manual or electric choke. Can I cap the other connection that is in the picture as I don't think I need it?

Image

In this picture below it shows a vacuum connection from the carb base, can this be connected to the distributor vacuum advance connection?

Image
Bad Day Racing Is Better Than A Day In The Stands :mrgreen:

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old28racer
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Re: Ford 4500 Carb Question

Post #2 by old28racer » Wed May 15, 2019 11:29 am

My mistake it is a 4100 carb not a 4500.
Bad Day Racing Is Better Than A Day In The Stands :mrgreen:

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bubba22349
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Re: Ford 4500 Carb Question

Post #3 by bubba22349 » Wed May 15, 2019 2:01 pm

old28racer wrote:In the picture below of a Ford 4500 4bbl carb one tube connection is caped and it was for a heat tube for the choke, I will not need to use it as I am going to convert to manual or electric choke. Can I cap the other connection that is in the picture as I don't think I need it?

Image

In this picture below it shows a vacuum connection from the carb base, can this be connected to the distributor vacuum advance connection?

Image


The answer s yes if your converting the Autolite carb over to a manual choke you can cap off the first two, and yes that's the ported vacuum sorce for your Distribitor advance. Good luck :thumbup: :nod:
A bad day Drag Racing is still better than a good day at work!

I am still hunting for a project car to build but with my current low budget it's not looking so good. My Ex- Fleet of Sixes these are all long gone! :bang: 1954 Customline 223 3 speed with O/D, 1963 Fairlane project drag car with BB6, 1977 Maverick 250 with C4, 1994 F-150 a 300 with 5 speed.

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old28racer
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Location: Camarillo, CA

Re: Ford 4500 Carb Question

Post #4 by old28racer » Wed May 15, 2019 5:22 pm

bubba22349 --- Thanks for the reply and helping set me straight on carb vacuum connection. Can that connection be used on OEM points distributor vacuum advance and on HEI distributor vacuum advance?
Bad Day Racing Is Better Than A Day In The Stands :mrgreen:

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bubba22349
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Re: Ford 4500 Carb Question

Post #5 by bubba22349 » Wed May 15, 2019 8:01 pm

Yes you can use it for ported vacuum advance on most any Distribitor advance system. The exception though, it isn't right for use with the old Ford LOD Distributors, generally they were used on the pre 1967 Ford cars and trucks (or pre 1966 on the California emission models). Good luck :thumbup: :nod:
A bad day Drag Racing is still better than a good day at work!

I am still hunting for a project car to build but with my current low budget it's not looking so good. My Ex- Fleet of Sixes these are all long gone! :bang: 1954 Customline 223 3 speed with O/D, 1963 Fairlane project drag car with BB6, 1977 Maverick 250 with C4, 1994 F-150 a 300 with 5 speed.

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old28racer
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Location: Camarillo, CA

Re: Ford 4500 Carb Question

Post #6 by old28racer » Wed May 15, 2019 11:31 pm

Thanks for the additional information, I will use it for my vacuum advance on the HEI distributor I have on my fresh 300 rebuild motor with a big valve 240 head. Hoping that the motor likes the 12 degree base & 36 degree full on setting. This is a run stand motor at this point. My current truck a 1971 F250 300 with OEM distributor & points is set that way and starts on the first turn with no gas pumping and runs great.
Bad Day Racing Is Better Than A Day In The Stands :mrgreen:

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old28racer
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Posts: 497
Joined: Wed Apr 12, 2017 3:27 pm
Location: Camarillo, CA

Re: Ford 4500 Carb Question

Post #7 by old28racer » Wed May 15, 2019 11:31 pm

Thanks for the additional information, I will use it for my vacuum advance on the HEI distributor I have on my fresh 300 rebuild motor with a big valve 240 head. Hoping that the motor likes the 12 degree base & 36 degree full on setting. This is a run stand motor at this point. My current truck a 1971 F250 300 with OEM distributor & points is set that way and starts on the first turn with no gas pumping and runs great.
Bad Day Racing Is Better Than A Day In The Stands :mrgreen:

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