Holley Carburetor

sharkmtn1

Cadet
Joined
Jun 13, 2010
Messages
23
Does anyone know where I connect the fuel vapor hose from the mechanical fuel pump? There doesn't seem to be any place on my Holley 4150 marine carb. I just installed it and this is the only thing I have left to do.
 

acuraguy81

Petty Officer 1st Class
Joined
Mar 16, 2010
Messages
227
Re: Holley Carburetor

Look under the carb plate on the back on the starboard side its a snug fit and u cant see it when its mounted only feel it like a nipple slide the hose over and there ya go.
 

a70eliminator

Captain
Joined
Sep 9, 2007
Messages
3,762
Re: Holley Carburetor

There should be a vacant nipple right off the air horn in front
 

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zbnutcase

Commander
Joined
Sep 19, 2009
Messages
2,055
Re: Holley Carburetor

Some flame arrestors have a nipple for that hose too.
 

Maclin

Admiral
Joined
May 27, 2007
Messages
6,761
Re: Holley Carburetor

My stock 5.7 4bbl Holley setup has it on the flame arrestor.
 

sharkmtn1

Cadet
Joined
Jun 13, 2010
Messages
23
Re: Holley Carburetor

I ended up drilling a hole in the flame arrestor and using some fittings and a piece of aluminum tube and fandangled my own flame arrestor/fuel vapor hose connection. If anyone wants, I'll post pics.
 
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