I am about to send in an oil sample from our 2008 Impreza non turbo. I am not sure if I should get the TBN? I ran this o/c for 5500 mi / 8 months. This is somewhat severe use because of short trips.
Originally Posted By: stygz
I am about to send in an oil sample from our 2008 Impreza non turbo. I am not sure if I should get the TBN? I ran this o/c for 5500 mi / 8 months. This is somewhat severe use because of short trips.
I would get a TBN done. Check NAPA, I think their UOA is a better deal than Blackstone.