I have a 32 Gallon tank in my 1977 GMC Jimmy?

[Victor M]

I'm pretty sure its 32, anyways. Is it possible to get a bigger tank? I know the smaller gas tank with these models was a 28 gallon. I plan on road tripping the hell out of it.
also, i want to keep it all stock and i don't want to change anything other than a swap. unbolt, unstrap, remove, replace, bolt and strap.

 

[mikey]

You might look a later model. An 89 had a 40 gallon tank and it should fit without too much trouble.