Full Synthetic lasts a lot longer than conventional though, I'd say if you do a lot of hwy driving change it at 5-6K, if you drive it hard/short trips/race then 3K.
Full Synthetic lasts a lot longer than conventional though, I'd say if you do a lot of hwy driving change it at 5-6K, if you drive it hard/short trips/race then 3K.
I use the same thing and i change mine out every race... So after every 20 or 30 miles!!!