ok first of all i've looked and could not find a thread on this so im making a new one. i have a 1988 gt that has different color body panels, faded paint and is just in general need of a paint job. it needs to be cheap which is why i am turning to rustoleum. i ve seen pictures and threads where it is prepared well and turns out very well. my question comes in when deciding whether or not to paint it with a sprayer or roll it on. i have read in detailed directions on doing both but would prefer to roll it on. can i use paint hardener when i roll it on? i would prefer to roll it on because from what i've seen it produces superior results. and paint hardener would just make it even more durable. thanks.