Hey my Old friend
There are several filler necks on the Square Bodys.
Some differences are the swinging door.
Then the one that the cap is flush with the bedside.
There is also the filler neck for the 6.2 diesel.
Pictures would help.
Because I have some of the trucks in Inventory.
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The early bird gets the worm,
But the second mouse gets the cheese
84 Chevy K-20
63 Impala (my high school car)
http://67-72chevytrucks.com/vboard/s...Crew Cab Build