Quote:
Originally Posted by pjmoreland
That's a good point about the extra shipping. I will plan on including the gasket. There could also be variations between gasket brands that could affect the fitment of the dummy filler neck clamp.
The 71-72 filler neck has a smaller diameter than 67-70. The cab holes are the same size though, so a 67-70 gasket will fit in a 71-72 truck. This is another good reason for me to include the gasket with the kit.
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On my '72, we cut off the original filler neck and cap, welded a plate to the bottom and put it back with a new grommet. Unknown to me at the time, we used a 67-70 gasket which was too large (as you mentioned above) and it would slide in and out. During the refresh last summer I looked into this a bit more and picked up the correct grommet, which uses the neck ribbing and holds it in place perfectly.