dual tank question
#1
dual tank question
Hello all! No problems (for now)! One question. Why did Ford put two gas-tanks on their trucks, instead of just one big one? Wouldn't two tanks just increase the possibility of more things to go wrong? Just wondering. Thanks!
#2
Senior Member
Ford used two tanks instead of one to give room for the spare tire under the bed of the truck. For most trucks the primary tank is the midship one, a 4x4 standard cab short bed being the exception. Yes with two tanks these is slightly more to go wrong, on the flip side if something does go wrong you usually have the other tank to get you home or to a shop. Very rarely does both tank pumps go out at the same time.
#4
Funny story and true. I had a neighbor, the guy had an older chevy pick up. He says " It has a switch on the dash for the other tank but I can't find out where to fill it" I said " look on the other side of the truck" Sure enough it was there all along.
#5
Senior Member
I'm on my third Ford also, all of mine both tanks worked. One of them the rear gauge did not work though. I ran the rear tank until it started to lean out then switched to the front.
#7
Senior Member
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#9
Senior Member
Mine both work, and I'm lucky because the one under the cab just sprung a leak. once it empties out I'll just stick to the back until spring when I can replace the bad one
#10
i installed a second tank in a nissan back in the 80's. i got the tank out of the junk yard, and i don't remember the details of how i plumbed it, but it was flawlesss.
on the other hand, a friend of mine had a second tank addded, at the dealership, to a suburban. on a trip across the country, the truck would not push fuel from the new tank at anything above an idle.
come to find out, the plastic - not rubber - fuel line for the new tank would collapse when the fuel got going through it fast enough to meet the needs of the engine at speed. oops!
on the other hand, a friend of mine had a second tank addded, at the dealership, to a suburban. on a trip across the country, the truck would not push fuel from the new tank at anything above an idle.
come to find out, the plastic - not rubber - fuel line for the new tank would collapse when the fuel got going through it fast enough to meet the needs of the engine at speed. oops!