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here are front and back pics of the n1 unit and apprantly it is higherflowing and is recomended to be used with a high volume sump. just out of interest rb25 and 26 pumps are all interchangerble n1 the lot and same for water pump as well :)

post-16137-1132923838.jpg

post-16137-1132923864.jpg

hey guys really need to know the differences between an N1 oil pump and stock GTR oil pump for 33 told when bought car it was N1 but mechanic doesn't think so, pictures would be great so we can compare, otherwise dimensions would be appreciated

Try reading this thread.... http://www.skylinesaustralia.com/forums/in...topic=75069&hl=

"n1 pump is nothing but a factory rb26 pump with a stiffer relief spring to raise pressure."save your money, get a stocker and if you like a stiffer spring for the relief valve."

i do believe you are completly WRONG.

the n1 pump i completly diferant. have you seen them put side by side?

diferant gear shape.(directional shape teeth not the symetricle type of the normal one)

an extra screw holding the cove on it.

1 tooth less than the normal one.

yes a diferant relief spring.

billit type materal not cast sinterd

physicly they are slightly smaller but the revised design is more eficant.

the SAME price from nissan(list price anyway) be aware of places charging more for them.(not nissan spare parts)

in stock at hornsby nissan. i think i paid 420.

post-19586-1132984757.jpg

24ur.bmp

Edited by T04GTR

if you have a look at the pics. the normal one only has 2 screw dimples in the front of it altho is abit un clear in that picture.(where the crank sproket goes)

also on the back the normal one doesnt have the extra screw that is inward abit from the rest.(normal one has a circle of screws?)

Edited by T04GTR

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