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Topic: Gas tank

in Forum: C3 Fuel, Emission Control, and Exhaust Systems


Gas tank

Posted: 1/11/05 2:52pm Message 11 of 16
Former Member
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East Hanover, NJ - USA
Joined: 9/25/2004
Posts: 525
Vette(s): '68 Black Conv. Matching 327/300 4 Spd. P/S, P/B, P/W, Tele, A/C
J.R.,

Before I decided to change my tank, I considered a tank repair kit from Corvette Central. This kit does include a tank sealer which you may want to use. I'm sure you can find it at any performace parts center.

I just learned a valuable lesson today. After filling my tank, driving it a little, and parking the car in my garage, the odor of gas was very strong. Turns out that my gas cap was bad, it allowed air out and in, thus allowing the gas to splash into the rubber boot around the neck and down the overflow hose.

A simple way to test this is to remove the cap, wipe it good and do a suck & blow. |ick|

If you can pull air in, you may be getting some of that moist Florida air in there too. I just ordered a new gas cap & gasket today.

Just another 2 cents,

Anthony


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Gas tank

Posted: 1/11/05 5:22pm Message 12 of 16
Former Member
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Miramar, FL - USA
Joined: 3/16/2004
Posts: 672
Vette(s): 1972 coupe/350 cid/mild cam/4 spd/20 ft. paint (looks perfect from 20 ft.), but it sure runs nice.
Darn good point, Anthony, it's very humid where I live (near the swamps-lol). I'll certainly get a new cap when I order the tank.

Thanks, warbird, I'll ask about Christie's locally. I'll try anything to fight this problem.

JR


Gas tank

Posted: 1/12/05 3:30pm Message 13 of 16
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Pasadena, MD - USA
Joined: 6/16/2004
Posts: 311
Vette(s): 72 Coupe L48 4 sp Air Tilt Leather
Had the same problem. The garage would smell like gas after parking it in the garage from a run. Finally found that it too was a bad seal on the gas cap. Actually it was missing all together..LOL. The temperature changes must have made a vacuum/pressure situation, thus i think this is where all moisture was coming from laying in the bottom of the tank. Just as i always say, check the simple stuff first. |biggrin|


Bruce
72 Coupe L48 4sp
Custom Blue/Silver/Pearl

(Click for a larger pic)

Gas tank

Posted: 1/12/05 8:00pm Message 14 of 16
Former Member
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Miramar, FL - USA
Joined: 3/16/2004
Posts: 672
Vette(s): 1972 coupe/350 cid/mild cam/4 spd/20 ft. paint (looks perfect from 20 ft.), but it sure runs nice.
Absolutely right....thanks!

JR |saluteflag|


Gas tank

Posted: 1/13/05 4:46am Message 15 of 16
Former Member
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KERNERSVILLE, NC - USA
Joined: 1/13/2004
Posts: 1355
Vette(s): 1968 L-71 convertible
I had a major water problem on a 73. I finally discovered the gasket at the filler neck was bad and every time I washed the car water would get in the tank. I took the neck off, re sealed the neck to the tank and problem solved! You can do that with the tank in place.


Gas tank

Posted: 1/13/05 6:11am Message 16 of 16
Former Member
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Gillette, WY - USA
Joined: 3/28/2004
Posts: 67
Vette(s): 1960 (got wiped out in the Rapid City flood of 72), 1968 roadster(sold it so I could buy the 71), 1971 Coupe Chromed almost everything underneath. Had it since "76"
When I took my tank off I was looking for my build sheet also. No luck. But when I did my frame I found it in the front driverside inside of the frame.


If it's not painted, Chrome it!!!

in Forum: C3 Fuel, Emission Control, and Exhaust Systems


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