Just need a bit of techical help!
I have got a 1986 "C" 340 1.4 GL with 13" steel wheels with 175/70R13/82T tyres, the wheels are a bit rusty so I would like to keep these for winter use and I have bought today 4 of the same wheels from a 1.4 1987 "D" DL so I can have the new set fully refurbed for summer use but didnt check if the tyres were the same!
The new set has two legal and two worn 155/80R13/79T tyres which doesnt bother me as I will fit new tyres when the wheels are restored but I would like to fit the bigger tyres, can I do that on the new wheels?
Hope that makes sense

Thanks in advance
Kris