Hey 48 Chevy, Both of my 48's have the tank under the bed. The serial number should have the Letter F in the code. FP for the half ton and FR for the 3/4 ton. Ralph
rtlopez@shipleysystems.com 48 Chevy 3600 w/235 48 Chevy 3100 w/235: You cant see the smoke on a dirt road.
