u/Eliasdidit

I inspected my 2004 S60 2.5T yesterday and besides the missing underbody protection under the engine I also found my Turbo in a pretty oily state.

I also looked into the turbo piping coming from the turbo, its only oil dazed but the piping going to the throttle body has an oil puddle in there.
I‘m going to change my PCV nontheless, but is my turbo also gone?
I couldn‘t hear any suspicious sounds coming from it…

Thinking about replacing it, and if so, is there a good alternative from the 16T turbo? Maybe the KK24? I want maximum reliability, more power is a second priority for me (I fear I might crack my block with a lot more boost)

So I already drive a S40 from 2001 with the 1.8(122hp) since 3 years and wanted to upgrade for a few weeks until I found this S60 2.5T from 2004. It has 193.000km on it and needs some maintenance (Sparkplugs, coils, Timing belt+water pump+tensioners, V-belt(„Keilriemen“ in german), tie rod ends and a basic oil+filter change.

I want to change sparkplugs+coils because the engine doesn‘t accelerste smoothly under load, at least thats what the pre-owner said (i couldn‘t test it much, but i felt it just slightly after ~2.000rpm). Any thoughts about this? I know that Volvos are sensitive with their spark plugs (The old ones were NGK Iridium-last pic-, coils are BOSCH).

Do you habe any recommondations of what also to look for/change/upgrade, since I am already working on it for the few weeks? (Except Wheels+suspension).
Thought about BSR Turbo piping, cleaning the PCV, maybe a sporty silencer?