Chip did you end up going with Viking rear shocks. Something went haywire on my Duster sitting from October to last weekend and it was heading left on every pass running a 6.07 and a 6.06 on my first time trail and first round. 2nd round it was so bad I got out of it. I know I need rear shocks as they are probably 20 years old and on the car when I bought it so I will check everything over tomorrow and take some shock measurements so I can update. Going to check rear tire circumference tomorrow, wheelbase measurements, and my ladderbar setting as I have two races this weekend. There is also a guy on Facebook that comes highly recommended for shocks too