Today, he has guarded his biggest lead during the morning stretch to Västervik, which was run twice.
- I drove calmly and safely without risking anything.
I have good tires left and can drive for extra points on the final power stage, says Solberg to wrc.com.
Closest chasing Ole Cristian Veiby made up time on Solberg with two strong efforts but is 38.9 seconds behind Oliver.
21-year-old Solberg, together with map reader Elliott Edmondson, has lined up top times over the weekend.
Previously, Solberg has a victory in WRC3.
If the Swede keeps away, it will undoubtedly be one of his biggest days so far in his rally career.
Ott Tänak looks set to win the WRC class.
8.6 seconds should be enough for the Estonian in the fight for the victory with the Irishman Craig Breen. Thierry Neuville has tightened his grip on third place after the stage victory at SS17.
He is 7.1 seconds ahead of reigning world champion and last year's winner Kalle Rovanperä.
The Swedish rally ends with a power stage at Red Barn Arena in Umeå starting at 12.00 on SVT1 and Play.