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Tuesday, July 17, 2007

Nissan Skyline GT-R RB26 oil pump drive

There is an early and a late oil pump drive. The RB26 has some oil, and oil pump related issues. Starting at the late R32's , they went to the wider oil pump drive. No easy way to tell if you have an early or late pump drive without getting the motor fairly taken apart.



Early drive , the oil pump only engages the piece where it shows wear on the flat section



Late drive , again its only engaging the shiny piece, where it shows wear. Couple of good over revs and the oil pump gear in the oil pump splits at the weak point - or the flats at the edges.

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