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I searched and I couldn't find anything about N1 oil pump in RB25DET, except for this one but it is for rb26 http://www.skylinesaustralia.com/forums/in...topic=58817&hl=

My question is can I run N1 oil pump in rb25det without any problems and without any modifications?

If you are using one please share your mods and opinion on it?

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https://www.sau.com.au/forums/topic/101236-n1-oil-pump-in-rb25det/
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I searched and I couldn't find anything about N1 oil pump in RB25DET, except for this one but it is for rb26 http://www.skylinesaustralia.com/forums/in...topic=58817&hl=

My question is can I run N1 oil pump in rb25det without any problems and without any modifications?

If you are using one please share your mods and opinion on it?

RB20/25/30 cranks have narrow oil pump drives, same as early RB26's.

Later model RB26's have wide flange oil pump drives on the crank

N1 = N1 (production cars circuit racing class) homologated part for GTR

There is no such thing as N1 homologated parts for GTST (or GTT)

Personally I would never use a high pressure N1 oil pump on a crank with a narrow drive flange, I have seen too many cracked oil pump rotors with obvious signs of angled narrow flange loadings.

You can get a crank collar (Proengines make one) that converts a narrow flange oil pump drive crank into a wide one. The crank needs to be machined to fit the collar, so out of the car.

:P cheers :(

can anyone tell me the size of a short verus long oil pump drive on the front of the crank. i brought a new rb26 crank 18months ago and want to measure the drive before i refit it. i assume the all new cranks from nissan would have the wider drive but want to double check. pics or measurement would be nice.

cheers

NutR33

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