Need help choosing drop options

[Green70judge]

Hey all.. Just picked up a clean 86 silverado long bed. Looking to lower this thing.. I've read a ton of threads and still can't decide what my best option is. Looking to possibly go 3/5 on the stock 15x8 rally's for now then eventually going with 18's. I'm not really wanting to go any lower because as I've heard, I'd have to notch the frame..I still have to use the truck to haul from time to time.

What is the best option here? I had heard that the spindles could rub the rallies??

Front: I was thinking maybe 2.5 drop spindles but didn't know way to do for springs..

Rear: flip kit..?

Will those options get me a 3/5?
If so what vendor/products should I use.

Thanks
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