Holley 80312 carb question

pcmpete

Petty Officer 1st Class
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Apr 24, 2009
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I used picked up a holley 80312 carb for my ford 302. There is no fuel inlet fitting, does anyone know what fitting would fit this and/or any metal lines available that would suit this carb to the pump?

Thanks
 

Danny Mc

Seaman
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Jul 18, 2010
Messages
71
Re: Holley 80312 carb question

Get a Jegs catalog and match it up to what they have, brake line and a bender easiest way to plumb fuel. I will not put a rubber fuel line on a boat.
 

a70eliminator

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Sep 9, 2007
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Re: Holley 80312 carb question

Standard piece for any holley carb, available 5/16 and 3/8.
 

pcmpete

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Apr 24, 2009
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328
Re: Holley 80312 carb question

I picked up a 30" piece of metal fuel line from Autozone, one end fits the carb :) but the other end does not fit in the fuel pump. Does anyone know the thread size for the outlet on a 302's fuel pump?

Thanks
 

a70eliminator

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Sep 9, 2007
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3,762
Re: Holley 80312 carb question

The fuel pump itself has a pipe thread, a pipe to flare adapter is what you need to screw the fuel line to pump. I'm guessing you need a 1/4" pipe to 3/8 female flare adapter.
 

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pcmpete

Petty Officer 1st Class
Joined
Apr 24, 2009
Messages
328
Re: Holley 80312 carb question

I got the 5/16 pipe from autozone, so I 5/16 to 3/8 adapter would be needed then.
Thank you for your input.
 

zbnutcase

Commander
Joined
Sep 19, 2009
Messages
2,055
Re: Holley 80312 carb question

I like the pre made Teleflex fuel hoses that Sierra sells
 
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