Syngamy

2004 Miata, stock as can be.
35K on the clock, oil changes and tires only, other than the coolant flushed a year ago and a new top today.
Anything else I should do? Manual Trans gear oil? It feels a little more difficult to get into 1st.
Timing belt?
Anything to give it more power?
Not looking to spend money, but looking for feedback. TIA

der_vierte

Tranny oil is always a good idea. Maybe for the few $$$ extra add some diff fluid, they only take like 1liter.
Broken timing belt will get you stranded, but won't grenade your engine, because these have no piston to valve contact (non interference). You can put a new one on and you're ready to go again. Put a new waterpump on the list, when changing the belt.
All in all this is a one day job for a few hundred dollars, I'd do that

joe morreale

I'd do the trans and diff. Other than that, you might look into suspension. As far as power. That's a rabbit hole you might want to do a lot of research.