[GB SISSON]

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Thank you all. It looks like this will work either way I decide to plumb it. When I returned home with my parts for the pcv system I parked the foyota and walked up to the truck parked outside in the grass, I noticed a strong smell of gasoline from 10' away. I sealed the tank last year with por 15, paying strict attention to all the steps but last weekend I noticed some leakage from under the seat. I pulled the tank, filled it to the top with water and found no hint of a leak, 100% dry. I decided the leak was in the bottom fitting and running down the line and dripping into and flooding the cab bottom pan. Well, I pulled it again yesterday and plan to pressure test it today. My seat base is in poor condition and has been sagging down to rest on the tank. Last week I put about 1" of dense foam from a camp sleeping mat on top of the tank where the seat rests to further support the sagging seat. That was a poor idea as the tank had now become structural. It is supported only at it's outside ends and with my gravel road in poor condition and rear leaf packs of 14 heavy springs I'm afraid I flexed the seam that runs around the tank. I will know after I put about 5 lbs of air and hit the tank with soapy water. I have 2 other tanks if needed. I will proceed with the pcv project once this more pressing issue is resolved. Arrrrrgh!