www.vansauto.com has them pretty cheap...


van's auto fuel tanks

Not sure how to cut and paste the web site, but it is $145.00 + $30 shipping, on e-bay.

NEW 1970 - 1974 Plymouth Barracuda Cuda gas fuel tank Item number: 220316366544

price: US $145.00 Buy It Now >



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End time: Nov-28-08 13:24:03 PST (5 days 15 hours)
Shipping: US $30.00
UPS Ground
Service to United States
Ships to: United States, Canada
Item location: pasadena, MD, United States

Maybe this is it.

web page

FYI his ebay ad says "Made in North America by American Designers. (not TAiwan made!!)" That's just fluff to make you feel good.

Every tank I looked at is made by Spectra Premium. They are a Canadian company who apparently bought all the old dies for stamping gas tanks.

http://www.spectrapremium.com/spectra.html

I have not seen any that were "TAiwan made". I can buy the same gas tank at my local Oreilly Auto Parts store, Rock Auto, gastanks.com, etc. They are all Spectras.