[yeah_yeah_na]

Originally Posted by The Rocknrod

There is a write up here about a 69 tank being wider that a 66 frame. May work for the 61's? - http://67-72chevytrucks.com/vboard/s...d.php?t=448386
Also - http://67-72chevytrucks.com/vboard/s...d.php?t=370496
There is a whole conversion thread here - http://67-72chevytrucks.com/vboard/s...d.php?t=558629

Thanks for that, I'd found the conversion thread using the search function but not the others. Any idea what the difference is between the frame rails on the 60-62 vs 63-66.