Yes, the Interstate shocks are slightly more weight friendly. Depending on your weights, you should be fine with the CD shocks.
You accidentally posted in the 1800 forum. You’ll likely get more suggestions if you post over in the 1500 Tech board.
Thanks for the reply and I just noticed that I accidently posted in the 1800 tech board when I logged in to check this morning and didn't find my post in the 1500 tech board X(
thanks again for the reply and I'll be sure to repost in the correct tech board this time XD