Whats up everyone. about to purchase 20in ruff r2 wheels and didnt know how much i can lower before it rubbing. found Eibach springs that will lower front 1.9 inches and back 1.3. Suggestions and thanks!!!

I assume you are avoiding a fender roll, is that correct?

not necessarily, just dont want my car to rub I guess or ruin any of the tires. I have 20's on there and didnt really know how much to lower it or what kind of lower springs, would also like to avoid a bad ride on the car.

Thanks for feedback

Well, I don't have one and don't know the limits to fitment. There are wheel and tire fitment threads somewhere. I am hoping someone with experience will see this thread and chime in. I do know of a great wheel and tire calculator. It's neat because you can take measurements to the fender, wheel well and suspension and enter those along with your custom wheel setup to compare to stock and see if you have clearance issues. Here's a link to that:
https://www.wheel-size.com/calc/