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need final answer from sage who knows- is 92 b230 a flat tappet engine 200

posted by  someone claiming to be oldduke on  Fri Sep 27 12:08 CST 2013 [RELATED]

hi sages- is my 92 245 with a b230 ohc engine a flat tappet engine requiring zddp oil. haynes, bentley and owners manual dont help. thought all ohc engines were non flat tappet . thought ohc has a roller bearing between the cam lobe and valve stem tip. also thought flat tappet was another term for round cartridge valve lifters which were only in ohv engines, located between the push rod and the cam lobe- some were hydraulic and some were solids. ohc engines dont have lifters and push rods. most oils today dont have zddp in them which would cushion and reduce wear in flat tappet jobs. rotella is the only one i have seen with zddp. thanks tons for your help.feel free to correct me where i am wrong. oldduke






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