Welcome C&R. Can you explain what type of setup you are using and how much weight you're currently using?
I'm far from an expert striper fisherman but here's what I use. For fishing the surf where I'm at, I use a 3 oz. pyrimad sinker on a fishfinder rig. Here's a picture of the setup most of us use when fishing cut bait.
The principle behind this rig is that when a fish takes the bait, they don't feel the resistance of the weight because it is able to slide up the line. There's been lots of discussion regarding this rig. The thread link above is just one of many. For additional info, just run a search on the forum for "fishfinder".
The amount of weight you use depends on the current or surf conditions. Most days on the beach I fish, the surf action is light so even a 2 oz. sinker will work.
As far as your line and leader question....the fishfinder rig lends itself to using some type of leader. You need to block the fishfinder rigged weight from sliding all the way down to the hook. So I use about 18 inches of 40-50 lb. fluoro tied to the hook and the other end tied to either a barrel or snap swivel. It's that swivel that impedes the fishfinder weight from sliding all the way to the hook while nothing impedes the movement of the slipping fishfinder rig in the other direction. One reason I use heavy fluoro as my leader is because you never know if a toothy bluefish will pickup your bait. Using that, in conjuction with a circle hook, minimizes break-offs do to bluefish since you don't set the hook with circles.
Not sure where you fish but 8-10 lb. line seems awfully light to me. That's the typical line weight I use on my freshwater gear when fishing for large mouths. Stripers get big. A 30 lb. striper can easily snap 10 lb. test or strip your reel clean. If you fish an area that has structure like rocks or pilings, you may have to put the breaks on a run. You'll have real problems doing that with 10 lb. test...even 20 lb. line, which is what I use, can have some issues with a big fish under those conditions. Also, if you need to increase your sinker weight, you'll probably have a few break-offs on the cast with such light line.
You didn't mention the type of rod you're using. Throwing a heavy 3 oz. weight wirth an ounce of cut bait requires a rod with quite a bit of backbone. If you're actually using a freshwater setup, most don't have the backbone to do that.