Wrong lug pattern?

[pismorat]

I bought some aluminum 16x8" wheels at the swap meet for my '79 K10 with 1-ton drivetrain. I knew it had an 8x6.5" bolt pattern and did a rough measurement on these wheels, but now come to find out they don't fit! I think these are like 8x6.75" maybe, is there a way to make them fit or should I just try to re-sell them?

 

[Hogback Fabrication]

There are really only two 8 lug bolt patterns on light duty trucks, 8x6.5" and some metric BS that Ford used on later model trucks.

If they're 8 lug and don't fit, they're probably from a later model Ford. No way to modify them to fit.

 

[obijuan]

theres the adapter/spacer type deal. it goes from 8x6.5" to 8x170mm. alternatively you can have the wheel redrilled to 8x6.5, costly though.

 

[AJMBLAZER]

That'd make them right around 8x170mm which is the Ford pattern used on 99+ Super Duties.

Sell them and get the right stuff. Don't bother with redrilling or adapters. Too much work and extra maintenance to make the wrong thing work.