How many gallons is the factory fuel tank on a 71 FJ40??
Fuel tank capacity
- Thread starter Tim71FJ40
- Start date
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Should be 18.5 gallons
I'm gonna say it's more like 16 in a stock tank that mounts under the seat.
It appears jake is correct. FAQ & the search function can be your friend.
https://forum.ih8mud.com/40-55-series-tech/175253-40-series-fluid-capacities.html
https://forum.ih8mud.com/40-55-series-tech/175253-40-series-fluid-capacities.html
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I have two tanks in my 68. The stock tank I have filled many times from empty and it takes 18.5 to fill from empty. 73 with floor modification the tank got smaller. Back when I only had one FJ40 (68) I installed front buckets out of a 74. I figured it would be cool to put the gas tank cover like they did from 74 to 78. That cover was to small to cover the earlier tank. Why Toyota decreased the tank in 73
In 79 finally the 40 series got a good size tank (22 gal) but at the cost limiting seat options and engine/transmission swaps.