My 77 F150 4X4 short box with 460 C-6 weighed in at 5080 lbs. The title said it weighed 5100 lbs. In Michigan if your truck weighs over 5000 lbs. it is considered a comercial vehicle and the cost of plates for a year is almost double of that of a non-comercial vehicle. So, when I went to get tags for it and the Sec of state informed me of this I told them I didn't think it weighed that much, because I have another 77 short box that is the same (460 C-6 etc...) and the title said it weighed 4575 lbs. They told me to go get the truck weighed and bring them a certified receipt from the scale and they changed the title weight based on this. I took it home removed the rear bumper, tail gate, one of the dual batteries, and made sure the fuel tank was low. It weighed in at 4870 lbs. and ran out of gas sitting on the scales. ( I guess that was about as low as I could get it.) Took the certified scale receipt back to them and they issued me a new title for that weight. -Ed