Why move it? more storage space? speaker box?
on the logic side: If you get hit hard enough in an accident to pop that tank, yer prolly dead already.
there are several pics on this page, it'll tak awhiel to laod on a dialup:
http://www.members.shaw.ca/fatfenders/thetoad.htm he used a:
30 gallon tank is from a 2000 Chev 2 ton Van it's a great fit.
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but he had a 9 inche rear axle, etc..
-W