If u are a newb to drifting bro go with a sr20 first. If u want overkill go ls1, but for the price sr is cheaper. But if u want a raped ape on steroids then go ls1.. torque for days=) I had a sr now im onto my next swap. They are fun and easy to work on. But longevity of holding up like a ls1is definitely not there. Long story short do what ever makes you happy. You can learn on either motor bro. Just depends on the expenses, and you
