New to me 09 prostar

[Nilao]

First, get a inline 5 adapter off eBay. It will save you tons of downtime. Second do a get tuneup. As far as the a/c all I can think is have it evac/recharged. Loves charged 109 on mine. It was overcharged from the dealer when they replaced it. I'd leave the doc cleaning till you get insite so you can see the regen history. I would seriously consider having one of our reputable members remove that mandate. As for the rods and mains I'd leave them alone as you stated it had a new engine in it already.