I don't know if this is in the right forum, but here goes. I have a 1970 chevelle and the gas tank has a small slit at the bottom end of the neck where it meets the tank body. Now, it's gradually spilling gas. I was wondering if there is some kind of putty or something that I can mix where it sticks and hardens when applied to the slit to stop it from spilling? Will this work or does someone else have a better idea? thanks
Eddie

Ed...there are several different types of patching compounds available that are impervious(un-effected)by gasoline once they are dry.However,the area that they are applied to MUST be clean(no loose rust) and DRY...remaining dry until fully cured.(usually 24 hrs.)Any radiator shops in your area?If your tank is in good enough shape to repair,they should be able to solder it.Obviously,this option will require removing the tank but would give you the opportunity to look it over...if other areas are starting to look..."seedy",why not go with a replacement tank?

OOPS, I thought I wrote this on my foum, but, actually I just bought the tank from a chevy shop here close by where I live.

You just bought a tank that needs repair?? Talk to the dealer you got it from, unless he gave you a deep discount for it's condition.

The right way to fix it would be solder. If you don't want to do it yourself, a radiator shop may do it (some won't touch them if they've had fuel in them). I've used a Benzine torch on mine before, but use heat sparingly so the solder doesn't all flow out of the crack into the tank, then you'll have a bigger crack to fill.

A lot of patching compounds are nothing but a band-aid and may come back to haunt you later. Do it right the first time.

But since it's a new tank, from a dealer, I'd shift the burden back to them.