Volvo AQ125a timing

[-JR-]

Vavle cover and manuals say 4 degree and 10 degree USA
Any one find it better at 10 or 4 degree
Edmonton Alberta

 

[chaparall villain 2]

Re: Volvo AQ125a timing

on the aq131a volvo recommends 6btdc at idle you dont want to advance it too far as to cause detonation

 

[Don S]

Re: Volvo AQ125a timing

According to the owners manuals, 4? is for 87 Octane gas, 10? is for 91 octane (Premium).