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05-11-2004, 01:44 PM
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#1 |
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Registered User
Join Date: Sep 2003
Location: Detroit/Area
Posts: 27
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Smelly Truck?
 I have been trying to get rid of this rich gas smell for about 3 months now. I had my holley rebuilt thought that was the reason, got just a little better but not much, put new mufflers no diiference. Do any one have the same problem I've been contemplating getting the tank out of the truck and moving it to the back. Can you guys give any suggestions to what it could be because I hate smelling like I've been standing in front of the exhuast pipe all day, when in fact I just drove to the store and back. Thanks Sealw98.
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05-11-2004, 02:24 PM
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#2 |
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It's a catastrophic success.
 
Join Date: Jan 2003
Location: Oklahoma
Posts: 2,077
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Things to check, rubber boot, vented cap, leaking sending unit,and in the later models had a in cab vent in the passenger rear cab post
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05-11-2004, 04:24 PM
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#3 |
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Registered User
Join Date: Jan 2002
Location: Sahuarita, AZ USA
Posts: 2,033
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I got rid of the gas smell when I went to the Blazer tank under the bed.
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Bill - Tucson, AZ 47 Chevrolet 2 dr sedan 56 Chevrolet 210 2 dr sedan 66 Chevrolet Malibu 2 dr 4 speed 71 Chevrolet C30 Longhorn 86 Chevrolet Monte Carlo SS (Sold) 01 Chevrolet Tahoe IM - BUSTERWIVE@aol.com |
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05-11-2004, 04:35 PM
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#4 |
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Registered User
Join Date: May 2002
Location: North Carolina
Posts: 1,234
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Are you talking about a raw gas smell or a partially burned gas smell? (Like with a stuck choke).
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Stepsides look like real trucks! Smitty 
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05-11-2004, 04:40 PM
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#5 |
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Registered User
Join Date: Sep 2003
Location: Detroit/Area
Posts: 27
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More or less raw gas smell, I had been thinking it was something maybe to due with the tank inside of the truck.
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05-11-2004, 04:44 PM
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#6 |
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Registered User
Join Date: Apr 2000
Location: San Diego, CA
Posts: 110
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I had a similar problem that went away when I replaced the fuel sending unit's gasket.
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Mike 67' GMC Fleetside |
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05-11-2004, 04:51 PM
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#7 |
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Senior Member
Join Date: Dec 2003
Location: Pampa, Texas
Posts: 1,553
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I had that same problem and come to find out my gas cap was bad and everytime i turned right a little gas would spash out......that was my smell....
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https://www.ebay.com/itm/29620574751...mis&media=COPY |
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05-11-2004, 07:27 PM
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#8 |
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Registered User
Join Date: May 2004
Location: Chandler, AZ
Posts: 519
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Worst culprit seems to be that gas cap. Especially if it gets better with windows up. I'm told it was a "design flaw". Best cure- move that gas on back!
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 69 C-10 LWB, 350, 700r4, 3.73 posi-traction, front disc brakes. Built for the desert- She can take the heat! Vivat Rex Chevus! 
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05-11-2004, 07:29 PM
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#9 |
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Registered User
Join Date: Nov 2002
Location: Redding California
Posts: 223
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get rid of the tank you won't regret it!
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1971 Chevy Cheyenne 383/350 LWB 2wd Built to use, and look good. 
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05-11-2004, 09:27 PM
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#10 |
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Registered User
Join Date: Jul 2003
Location: north of Phx AZ about 30 miles
Posts: 698
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Just buy a new cap(vented for the earlier years), neck grommet, and sending unit gasket. That covers everything except bad solder joint on the neck (which is somewhat prone to leakage, but repairable). To check the neck joint, run your tank low on gas, seal up the top with duct tape, pinch off the rubber fuel line at the pump(if that worries you, I didn't), let her sit in the sun for a little while, then use soapy water, around the neck and look for bubbles.
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Andy,Phx AZ '67 C-10 (Ahhh, done at last. Well there is that disk front end I want to put in and...) "23 C-Cab-sold '48 Ford 8N tractor(still working) '67 Scout(Now on the road) '70 MG B.-sold |
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05-12-2004, 02:14 AM
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#11 |
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Southern Bowties
Join Date: Jan 2003
Location: Fort Worth, TX
Posts: 240
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Also-check/replace the rubber fuel lines from the tank to the hard lines.
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1972 Cheyenne 350/350 |
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05-12-2004, 08:52 AM
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#12 |
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Registered User
Join Date: Sep 2003
Location: Detroit/Area
Posts: 27
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What's the best way to go? Poly, Alum. or orginal blazer tank out of 69-72 blazer.
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05-12-2004, 09:13 AM
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#13 |
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More Cowbell....
Join Date: Mar 2004
Location: Puckett, MS
Posts: 3,569
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Just don't go Poly. They change shape, expand, contract, etc...
Use a METAL TANK!
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There once was a member from Puckett.....Who ( fill in the blank blank blank ) bucket |
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05-12-2004, 01:52 PM
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#14 |
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Registered User
Join Date: Apr 2004
Location: Grant, Alabama
Posts: 504
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Fuel cell with safety foam. If mine ever goes bad I may get a fuel cell that holds 30 gallons if it will fit somewhere on the truck.
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72 Chevy C20, SOLD (Dang it.) 09 Challanger RT six speed in all black. 74 Datsun 710 wagon, all 1.8 liters of screaming Datsun power. 73 C10 long bed, 350/350 combo, nice shape. |
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05-12-2004, 04:25 PM
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#15 |
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Registered User
Join Date: Sep 2001
Location: Cumming, GA
Posts: 483
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I just replaced the rubber gasket for the sending unit when I smelled of gas - fixed it right up and I found my thinking to be much more clear headed when I was breathing pure oxygen instead of a rich mix. Cost $2 and 10 minutes. I will eventually move the tank out but a $2 quick fix is so easy!!
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