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L16 oil pump questions.....


jrock4224

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If you are replacing it anyway, get the high volume pump from any KA24E from any '89 or '90 240sx or any D21 Hardbody or WD-21 Pathfinder with a 4 cylinder engine from '86.5 through at least 2000. All 4 cyl Xterra.

 

No way to tell from the outside without taking it off but the internal rotors are 14% longer giving more volume. This translates to increased pressure at idle/low speed. Full pressure depends on the relief valve spring which can be changed or shimmed. With no other change but the high volume pump my 300,000Km L20B went from a 17 pound hot idle oil pressure to 29 pounds!.

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