Power Giant PWs were 6 lug I believe, but I don't know how they compare to a 66-71 on track width. I believe the 66-71 has a wider spring center line measurement, but the PG axle spring perches could have been relocated. Maybe I'm barking up the wrong tree;-). More photos would likely help with the ID. Scott
Forum: Dodge Sweptline Truck General Discussion

I had time to take a closer look at the pic and I'd say she's had some swapping done. The body tags say 100 but it has 3/4 ton 8 lug axles under it. 69-71 W100s would have come with an 8.75 rear axle and 5x5.5 pattern lugs all around. Also, in 69 the side tags would have had the newer style (69-71) Power Wagon script below the "Dodge 100" chrome. 70 & 71s had the Power
Forum: Dodge Sweptline Truck General Discussion

Looks very straight! It also looks like it has a sliding back window, which are hard to get ahold of these days. Looked like #20 is a winner to me! Scott
Forum: Dodge Sweptline Truck General Discussion