03-03-2020, 09:58 AM | #1 |
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Join Date: Jun 2016
Location: West Palm Beach, Florida
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Strong Fuel odor
I have been getting a strong Fuel odor from outside the truck, I am unable to find any leaks. is there a hidden line somewhere that it could be coming from?
67 with tank still behind the seat (no fuel odor inside the cab) |
03-03-2020, 10:25 AM | #2 |
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Location: St Peters, MO
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Re: Strong Fuel odor
Carb or FI? Any recent changes? I had a strong gasoline odor and suspected too much fuel pressure for the Edelbrock 1405. There are several references that Edelbrock/CarterAFB carbs can't handle more than ~5 psi of fuel. The mechanical fuel pump was rated at 7-9 psi if I recall correctly. I added a Mr. Gasket 9710 fuel regulator and that seems to have fixed it. It may not be your issue, but thought I'd mention it.
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1967 C20, 350 SBC w/Comp roller cam, 700R4 w/3.42 posi, PS, 4-wheel PDB, Old Air AC & GM Tilt column. |
03-03-2020, 10:54 AM | #3 | |
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Re: Strong Fuel odor
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03-03-2020, 12:50 PM | #4 |
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Re: Strong Fuel odor
Check the hose that under the passenger side of cab. Goes from metal fitting through the cab by frame rail. Attaches to line that runs up to the fuel pump.
Today's grade of ethanol fuel line sold by the FLAPS generally for me has started cracking in just over a year. |
03-03-2020, 02:19 PM | #5 | |
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Re: Strong Fuel odor
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03-03-2020, 03:17 PM | #6 |
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Re: Strong Fuel odor
Also check the fuel cap rubber seal to make sure fumes aren't passing by the cap.
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Thanks, Joe.. 1969 C/10, 348 C.I., 3X2 bbl. V8, 2004r , LWB. |
03-03-2020, 03:44 PM | #7 |
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Re: Strong Fuel odor
X2^. Does it occur mostly when the tank is full? perhaps gas is seeping out around the cap on hard turns. It takes very little gas to give off a strong gas odor.
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66 GMC Suburban Custom 66 Chevy K10 Suburban |
03-04-2020, 07:34 AM | #8 | ||
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Re: Strong Fuel odor
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I put a new carb on it last night (was planning on changing it out anyway) so I will be able to eliminate that as a culprit when I check it tonight. |
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03-09-2020, 06:50 AM | #9 |
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Location: West Palm Beach, Florida
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Re: Strong Fuel odor
so, it turns out my brand new (less than a week old) Edelbrock carb has a hairline crack in the body of it on the back side. unfortunately, the store where I purchased it is telling me that because I already installed it they will not give me a refund or exchange. I contacted Edelbrock and I am waiting for a response...
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