Dear TDF group,

A customer asked me if 1 quart of 20-50 Havoline and 3 quarts of 10-30 Havoline would equal 15-40. (His '89 Camry is burning a little) "I haven't a clue, I'll ask someone who might know," I answered. So....... what do ya getwhen ya start 'ble... Login to read more.