I have a 40 gal in my 77 Suburban and boy that's nice. Do you have the measurements for the factory wagon tank? It would be easy enough to remove the rear spare tire well and put a wider tank in there. The G Body wagon tank is pretty tall, I wonder how it compares to the 13 1/8" height of the 40 gal tank. Man if you got 30 mpg with a diesel and a 40 galllon tank you could just about run the power tour on one tank of gas, lol!
A decent custom stainless tank could run upwards of $1200. The ones Speedtech sells have internal baffling, a Corvette pump system for FI cars, and dual pick up tubes so you don't starve for cars in the corners.
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-Ben, Creative Director
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