Simple tune ups for an 850 t5

[Dadsvolvo]

Hi all. I'm brand new here and need some advice for tune up hints on a 850 t5 saloon.
Where do I start?
Thank you.

[Dadsvolvo]

Performance first, economy later.
Thanks

[Dadsvolvo]

Thanks for all above. Greatly appreciated.

[Dadsvolvo]

Wow. Sounds great. Gotta love these cars. Talk about sleepers.