GSR and oil??? [B18C1 in 96-00 Civic]
To end things dude I would use 5W30 what's recommended. Castrol is good. It's ok time to time to hit Vtec. If you do I would only take it to 4400 no more than 6K.
B careful & enjoy the B18C1.
B careful & enjoy the B18C1.


