Originally posted by 65RHDEER
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New spectra tanks are stamped funny in the center making it difficult to weld on a filler neck.
Factory VW tanks are somewhat flat in the center, they only have 1 rib in the way, so welding a neck on isn't to difficult...
I'm doing this on the cheap. I don't have much to spend on it right now, but I have enough to get it going.
I chose the degreaser, Evapo-Rust route. Both are biodegradable, user friendly, and cheap. About $25 for everything.
I read about cleaning gas tanks with Evapo-Rust, and it looks like is does a great job as long as the tank is "clean".
I just filled the tank with a 1/2 gallon of degreaser, and 2 gallons of hot water. Will post the results later.
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