Dan - IMHO a quart of oil in 1000 miles is too much!! My '93 with 83K miles uses a quart in 3500 miles. I would suggest increasing the viscosity to Mobil 1 15 - 50. I don't think this will cure the problem but it may decrease the rate of oil consumption. Regards David Torrey Veazie, Me. '93 Audi 100CSQW 83K miles '87 Saab 900S 173K Miles '79 BMW 320I 98K Miles