It looks good, based on your pictures it seams like you could even move the tanks closer to the axle, keeping in mind We are not sure where the drains, vent stacks connect to the top/side of tanks. The rule that I like too follow is the closer the tanks can be to the Axle the better, so that the weight is balanced from front to back.
Thanks for the input. I could slide them even more forward so they would be up against the crossmember just behind the axle, but I was afraid it would make it difficult to access he rear spring hangers. I'll have to do some more testing.
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