90 but, it still runs with 89
90% hydrogen and 10% helium
Nitrogen 90%, Methane 10%, and Carbon Monoxide 40%
90
Volvo xc 90
That Is a lower compression, high rpm enine so you need to use premium, 90 octane minimum, preferably 91.
75W-90
This link has the pics you need. Volvo 2.3 Timing Marks Pics
You can only use the gas that is blended with ethanol. 90 % gas 10 % ethanol. You can not use the new 85% ethanol 15 % gas; this will eat the seals on your fuel system. I hope this helps you. Mark
Manual says to use SAE 75w-90 or SAE 80w-90 gear oil
75w90 gear oil
Just use a regular 80-90 weight