I went with 18's all the way around, because I think for 18/20 combo to look right it needs to sit pretty low to the ground, and the way my exhaust is ran it rubs on my trailing arms this low. Solution was 18's all around. Check out this post
http://67-72chevytrucks.com/vboard/s...t=104435....he is running 295/50/20's and then go to
www.1010tires.com and use their calculator. Yes they,are chrome.
Thanks,
Shane