1993 Isuzu Trooper with 277,000 miles. Is using about a qt or 2 every 3000 miles. Currently using 5W-30 Penn Yellow bottle. It's got a few leaks as well. Live in SW VA near NC border. Normally 10-90 degrees.
Should I go up to a 10W-40 or a 5W-40 or what?
Should I go up to a 10W-40 or a 5W-40 or what?