Who's still running w/ stock gas tank? - Page 2 - The 1947 - Present Chevrolet & GMC Truck Message Board Network

d10s69c10 · 08-01-2008, 07:02 PM

well my first tank that went inside the cab had a Good Seal on all the lines coming out and a vented gas cap...

so next step was to take the tank out...

Hooked up with the air compressor aand a Squirt bottle andfilled with soapy water (at least it was gonna get clean) PROBLEM SOLVEED!

What had looked like surface rust was where i guess water inside my tank had ate thru the metal and "perforated" my tank back where you would never notice.. put in a new tank problem solved..

oh yeah sometimes i still get a whiff but the tanks in the cab and me and my truck both arent perfect so we deal with it.

odog · 08-02-2008, 12:02 AM

WOOOAAA DUUUUDE MAN maybe mine leaks too. Is that why I feel all funny and stuff afer I drive my truck???

Yeah I have the gas smell too, I checked and my sending unit seems to be "wet" around the top. I didn't think of using right stuff gasket sealer, maybe I have lost some brain cells. I'll try to seal it with that. Hope you get your fume problem solved. Will a vented tank help??

blukangoo · 08-02-2008, 12:46 AM

I have the tank behind the seat too. I get a wiff every once in a while, mostly after right turns.
I looked all over for a leak and seen that the gas cap doesn´t seal right.
Put a new one on and noticed that it doesn´t seal right either.
The next thing I did was wrap electical tape around where the cap meets the neck.
After that the smell was gone.
I don´t feel like wrapping tape around it everytime I get gas.
Because it is a vented gas cap, i get a little wiff when it is warm and the fumes expand in the tank, but as everyone knows, that´s what it is supposed to do.

hdflstf · 08-02-2008, 01:03 AM

Once I replaced the original old rotted cracked 'rubber' fuel lines, no smell whatsoever.

**special-K** · 08-02-2008, 08:13 AM

I`ve never removed one,so far.I had one seeper and fixed it.I want to move the tank out on one truck I`m doing to allow for a pair of big ole "Kickers" to massage my back while driving.

odog · 08-02-2008, 12:12 PM

Quote:

Originally Posted by special-K

I`ve never removed one,so far.I had one seeper and fixed it.I want to move the tank out on one truck I`m doing to allow for a pair of big ole "Kickers" to massage my back while driving.

You really think you can fit a massage girl behind the seat???

airdale94 · 08-02-2008, 10:10 PM

Quote:

Originally Posted by 70ChevyCST

I've sealed up the sending unit with a shallow metal peanut can and duct tape to "run a test" to see if that was leaking fumes....still stinks with the can in place

Don't know if that's your source of smell. But there's no way duct tape is going to seal out gas vapors.

dan42 · 08-02-2008, 10:16 PM

I have the original tank in my '67, but the windows leak so bad that I never get a gas smell... maybe someday I'll fix that.

**oldgold70c10** · 08-02-2008, 10:48 PM

I've had only 1 problem with my tank in cab, and that was because the gasket for the sender was old and rotted. gas smell was awful, and would run down front of tank when I filled it up. Got a new gasket for classic parts and solved that problem. I also replaced all the rubber lines when I go my truck. Never had gas smell since!

wzuke · 08-03-2008, 12:47 AM

Try just barely turning the gas cap when you put it on - just enough to keep it from falling off. See if the gas smell goes away.

70ChevyCST · 08-03-2008, 09:40 PM

Thanks for all the replies everyone. You gave me insentive to keep the tank right where it is. I checked (with a little mirror) ~3/4 of the way around the filler tube/tank junction. Can't see the other ~1/4 without removing the tank but it looks ok...I removed the peanut can that I had carefully duct taped all the way around the sending unit...I immediately put it up to my nose and it had a very strong gas odor to it. My wife who has a very sensitive nose said it absolutely reeked of gas and then said....Why on earth did you do that to me?!

So....I took some RTV sealant and put a thick bead all the way around the gas gauge terminal/button on the sending unit. If that doesn't get rid of the smell, I'll get a new sending unit gasket and replace that. I'm pretty sure it's the sending unit leaking fumes....As far as the gas lines go....Some of you mentioned that you replaced your old cracked rubber lines....Mine are all metal....right from the sending unit to the attached gas line going down through the floor...all metal, no rubber at all and they look nearly new. Thanks again everyone. I do appreciate you all...Bob

67_C-30 · 08-03-2008, 09:46 PM

Quote:

Originally Posted by 70ChevyCST

Thanks for all the replies everyone. You gave me insentive to keep the tank right where it is. I checked (with a little mirror) ~3/4 of the way around the filler tube/tank junction. Can't see the other ~1/4 without removing the tank but it looks ok...I removed the peanut can that I had carefully duct taped all the way around the sending unit...I immediately put it up to my nose and it had a very strong gas odor to it. My wife who has a very sensitive nose said it absolutely reeked of gas and then said....Why on earth did you do that to me?!

So....I took some RTV sealant and put a thick bead all the way around the gas gauge terminal/button on the sending unit. If that doesn't get rid of the smell, I'll get a new sending unit gasket and replace that. I'm pretty sure it's the sending unit leaking fumes....As far as the gas lines go....Some of you mentioned that you replaced your old cracked rubber lines....Mine are all metal....right from the sending unit to the attached gas line going down through the floor...all metal, no rubber at all and they look nearly new. Thanks again everyone. I do appreciate you all...Bob

The rubber lines they are referring to are probably the vent lines on '71 - '72 trucks.

JDahl · 08-03-2008, 10:48 PM

I remember I had to replace the rubber lines that go from the tank to the metal lines when I bought my 72

.

08-01-2008, 07:02 PM	#26
d10s69c10 Built 4 Speed Join Date: May 2008 Location: Geneva FL Posts: 619	Re: Who's still running w/ stock gas tank? well my first tank that went inside the cab had a Good Seal on all the lines coming out and a vented gas cap... so next step was to take the tank out... Hooked up with the air compressor aand a Squirt bottle andfilled with soapy water (at least it was gonna get clean) PROBLEM SOLVEED! What had looked like surface rust was where i guess water inside my tank had ate thru the metal and "perforated" my tank back where you would never notice.. put in a new tank problem solved.. oh yeah sometimes i still get a whiff but the tanks in the cab and me and my truck both arent perfect so we deal with it. __________________ 1969 C/10 Short Box: 496/T-56 in worx. "To Be Old And Wise, First You Must Be Young And Stupid" Last edited by d10s69c10; 08-01-2008 at 07:04 PM. Reason: i still smell the smelly smell

08-02-2008, 12:02 AM	#27
odog Registered User Join Date: Oct 2007 Location: Wendell, Idaho Posts: 608	Re: Who's still running w/ stock gas tank? WOOOAAA DUUUUDE MAN maybe mine leaks too. Is that why I feel all funny and stuff afer I drive my truck??? Yeah I have the gas smell too, I checked and my sending unit seems to be "wet" around the top. I didn't think of using right stuff gasket sealer, maybe I have lost some brain cells. I'll try to seal it with that. Hope you get your fume problem solved. Will a vented tank help?? __________________ 1969 4x4 Nothing beats a good rock drill and some dynamite Last edited by odog; 08-02-2008 at 12:02 AM.

08-02-2008, 12:46 AM	#28
blukangoo Neighborhood Pickle Slinger Join Date: Jan 2007 Location: Cadolzburg, Bavaria, Germany Posts: 2,224	Re: Who's still running w/ stock gas tank? I have the tank behind the seat too. I get a wiff every once in a while, mostly after right turns. I looked all over for a leak and seen that the gas cap doesn´t seal right. Put a new one on and noticed that it doesn´t seal right either. The next thing I did was wrap electical tape around where the cap meets the neck. After that the smell was gone. I don´t feel like wrapping tape around it everytime I get gas. Because it is a vented gas cap, i get a little wiff when it is warm and the fumes expand in the tank, but as everyone knows, that´s what it is supposed to do. __________________ -------------------------------------------------- My C10 Diary Our cars: 1966 Chevrolet Chevelle 396 - TH350 1968 Chevrolet C10/CST 327 TH400/375 1969 Corvette Stingray 350 - Muncie Manual Trans 1969 Chevrolet ElCamino 350 - TH400 1970 Cutlass Supreme Convertible - 350 Rocket - TH350 1973 Camaro LT - New Engine Done - TH350 1973 Corvette Convertible 454 - TH400

08-02-2008, 01:03 AM	#29
hdflstf Registered User Join Date: Oct 2007 Location: Desert Southwest Posts: 540	Re: Who's still running w/ stock gas tank? Once I replaced the original old rotted cracked 'rubber' fuel lines, no smell whatsoever.

08-02-2008, 08:13 AM	#30
special-K Special Order Join Date: Nov 2004 Location: Mt Airy, MD Posts: 85,852	Re: Who's still running w/ stock gas tank? I`ve never removed one,so far.I had one seeper and fixed it.I want to move the tank out on one truck I`m doing to allow for a pair of big ole "Kickers" to massage my back while driving. __________________ "BUILDING A BETTER WAY TO SERVE THE USA"......67/72......"The New Breed" GMC '67 C1500 Wideside Super Custom SWB: 327/M22/3.42 posi.........."The '67" (project) GMC '72 K2500 Wideside Sierra Custom Camper: 350/TH350/4.10 Power-Lok..."The '72" (rolling) Tim "Don't call me a redneck. I'm a rough cut country gentleman" R.I.P. ~ East Side Low Life ~ El Jay ~ 72BLUZ ~ Fasteddie69 ~ Ron586 ~ 67ChevyRedneck ~ Grumpy Old Man ~

08-02-2008, 10:16 PM	#33
dan42 Registered User Join Date: Feb 2007 Location: Cali Central Coast Posts: 5,191	Re: Who's still running w/ stock gas tank? I have the original tank in my '67, but the windows leak so bad that I never get a gas smell... maybe someday I'll fix that. __________________ '67 SWB Fleetside ZZ4/350/Tremec 5-speed/4link/Scott's IFS - and fun as heck! SOLD Click here to support the board Philippians 4: 6-7

08-02-2008, 10:48 PM	#34
oldgold70c10 Who's got steelies? Join Date: Feb 2006 Location: Morrison, Oklahoma Posts: 1,026	Re: Who's still running w/ stock gas tank? I've had only 1 problem with my tank in cab, and that was because the gasket for the sender was old and rotted. gas smell was awful, and would run down front of tank when I filled it up. Got a new gasket for classic parts and solved that problem. I also replaced all the rubber lines when I go my truck. Never had gas smell since! __________________ 1969 C10 LWB W/ 250 I6 & 3spd 1970 C10 with '67 small window cab, 68 front end, blue; 305/TH350, 3.08 limited slip rear end, manual brakes, power steering; & 4-wheel drums-My daily driver. 1975 Chevelle Malibu Classic Coupe 350/th350 mint green 1970 C20 Suburban 350/700R4 4.10 gearing green & white 1978 Big 10 Silverado 350/th350, working ac, 2 tone blue-My summer daily driver 1983 GMC 1500 Sierra 305/SM465 2.73 rear end How to add a trip odometer to your 67-72 stock speedometer How to rebuild your Q-Jet My Truck Page My Youtube Channel

08-03-2008, 12:47 AM	#35
wzuke Registered User Join Date: Nov 2007 Location: Marion, IL Posts: 112	Re: Who's still running w/ stock gas tank? Try just barely turning the gas cap when you put it on - just enough to keep it from falling off. See if the gas smell goes away.

08-03-2008, 09:40 PM	#36
70ChevyCST Registered User Join Date: May 2007 Location: usa Posts: 71	Re: Who's still running w/ stock gas tank? Thanks for all the replies everyone. You gave me insentive to keep the tank right where it is. I checked (with a little mirror) ~3/4 of the way around the filler tube/tank junction. Can't see the other ~1/4 without removing the tank but it looks ok...I removed the peanut can that I had carefully duct taped all the way around the sending unit...I immediately put it up to my nose and it had a very strong gas odor to it. My wife who has a very sensitive nose said it absolutely reeked of gas and then said....Why on earth did you do that to me?! So....I took some RTV sealant and put a thick bead all the way around the gas gauge terminal/button on the sending unit. If that doesn't get rid of the smell, I'll get a new sending unit gasket and replace that. I'm pretty sure it's the sending unit leaking fumes....As far as the gas lines go....Some of you mentioned that you replaced your old cracked rubber lines....Mine are all metal....right from the sending unit to the attached gas line going down through the floor...all metal, no rubber at all and they look nearly new. Thanks again everyone. I do appreciate you all...Bob __________________ I'm a grateful Christian not perfect in any way, but always striving to become better with Christ's help. I'm grateful for what He did for me on that cross at Calvary. I hope there is a desire in your heart for the same: If you confess with your mouth that Jesus is Lord and believe in your heart that God raised him from the dead, you will be saved. Romans 10:9

08-03-2008, 10:48 PM	#38
JDahl Registered User Join Date: Jul 2008 Location: Salina, Ks Posts: 24	Re: Who's still running w/ stock gas tank? I remember I had to replace the rubber lines that go from the tank to the metal lines when I bought my 72.

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