nice looking truck tim_bo16 the 4:10 will make a big dif. but i dont know how much. i have the 4: 10 with the 700r4 and its a good gear for the road. im not crazy about the 700r4 but i like the over-drive. thats a lot of wt. for the 283. 16 wouldnt be bad. let us know how you did.