Eric,

I followed Coilover’s guidance an installed the S10, Blazer tank in my 51, 3100.

Here’s a picture from the top. I added the front bar on top of the tank and used 66 Chevelle gas tank straps, if I remember correctly. The straps go thru slots in the front bar and attached at the original crossmember.

I did not have my cap painted as I figured clumsy me would drop it sometime and I’d mess up the paint. The gas cap assembly was glued into place on the fender with panel adhesive by my body man.

I used a roll over vent in the RH rear stake pocket for venting. It sits higher then the gas cap assembly and the tank will take gas as fast as the gas pump will pump.

Thanks Coilover for sharing. It was relatively easy to do and works great!
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Dan

35 CC Case
38 Chevy Pickup
51 3100 AD
58 3100 Apache Fleetside