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Jul 21st, 2025 | | | | Joined: Mar 2011 Posts: 27 New Guy | | New Guy Joined: Mar 2011 Posts: 27 | Hi from England
Got a problem i need help with please
ive a 54 AD with a 350 with a 1406 edelbrock carb.
When i park up i get a real bad fuel smell under the hood and in the cab, i wonder if the carb is over fuelling?
I have a standard pump but i do not have a pressure regulator on it
Do you think that my fuel pressure may be to high?
The truck runs well apart from a slight bog down on takeoff.
The tank is under the bed so i know it is not this
Will a fuel regulator possibly cure the problem?
Thanks Keith
if it ain't greasy it ain't diddly
| | | | | Joined: May 2004 Posts: 1,312 'Bolter | | 'Bolter Joined: May 2004 Posts: 1,312 | You shouldn't need a regulator with a standard mechanical pump - it will put out 5 or 6 psi which is OK with your Carb. I'd start by checking all your fuel lines / connection points / filter ( if you have one ) for leaks, then look at the carb. Edelbrock has a decent trouble shooting section in their on-line tech help section. Might also check your gas cap to ensure proper venting. | | | | | Joined: Mar 2011 Posts: 27 New Guy | | New Guy Joined: Mar 2011 Posts: 27 | thanks for that, i cannot see any visable
signs of a leak, it only happenens when i have been out in the truck, and switch off when it is hot, i have a clear fuel filter which seems to show the fuel bubbling?
I
if it ain't greasy it ain't diddly
| | | | | Joined: Oct 2011 Posts: 71 Wrench Fetcher | | Wrench Fetcher Joined: Oct 2011 Posts: 71 | It's possible that after you shut down, the carb is getting heat soaked and fuel is being pushed past the needle and seat ! Pull the air cleaner after shut down and look for excessive fuel in the carb.
| | | | | Joined: Mar 2011 Posts: 27 New Guy | | New Guy Joined: Mar 2011 Posts: 27 | ok thanks, i have a heat dissapator kit would fitting this under the carb possibly
solve the problem, or what would be my next move.
regards
Keith
if it ain't greasy it ain't diddly
| | | | | Joined: Feb 2002 Posts: 12,029 Cruising in the Passing Lane | | Cruising in the Passing Lane Joined: Feb 2002 Posts: 12,029 | might try some heat shielding to start, sounds you have fuel lines too close to hot spots, like the exhaust manifolds or the head
Bill | | | | | Joined: Feb 2000 Posts: 4,886 'Bolter | | 'Bolter Joined: Feb 2000 Posts: 4,886 | My 250 smells just like yours, after shutting off when hot. I just figured it was fuel evaporating off the intake floor. I an going to look into the problem more now that I think about the hot fuel line. Float level could be high as well, it wouldn't take much heat to raise the fuel level as it expands from a good heat soak.
Joe | | | | | Joined: Mar 2011 Posts: 27 New Guy | | New Guy Joined: Mar 2011 Posts: 27 | Hi Joe
i think my next move is going to be putting a 1" heat spacer under the carb and check that all my fuel hoses are clear of hot spots.
I think it may be fuel bubbling in the carb because of the heat and passing through the needle and seat,
I will let you know how i get on, i should have it on this weekend
regards
Keith
if it ain't greasy it ain't diddly
| | | | | Joined: Mar 2008 Posts: 3,750 'Bolter | | 'Bolter Joined: Mar 2008 Posts: 3,750 | Keith,it sounds like you're on the right track.
1950 Chevy Advance Design 3100 in ScotlandIn the Stovebolt GalleryMore pix on Flickr. I've definately got this truck thing in my blood ... my DNA sequence has torque settings"Of all the small nations of this earth,perhaps only the ancient Greeks surpass the Scots in their contribution to mankind" Winston Churchill.
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