welll i crawled under my 86 5kcdtq looked hard and found just one oil filter. i guess the <d> in the model designation is for deficient <in oil filter for turbo>. then again it has 250k km and runs great so i guess its superior design doesn't need it :-> mike 865kcdtq 82 lada 1600 with momo Cyclops Bicycles Ph. (604) 545-5644 Fax (604) 545-1167 michael_mulholland@mindlink.bc.ca