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Oil Pump For Rb20

Green_s13

By Green_s13,
in General Automotive Discussion

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Green_s13 Proficient

Green_s13

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Hey All

just after some adivce on an oil pump for my rb20.

I think i'm in need of a new oil pump for my rb20, i was thinking of getting an n1 pump, the car is only going to make 180rwkw and will be used mainly for street but i do take it to the track about 4-5 times a year, so not huge amounts of abuse. my first question is will the n1 pump be fine for this and also will it bolt straight up to the rb20? i have been reading about crank collars will this be needed for my application?

thanks in advance

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Bliksem Veteran

Bliksem

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To fit a crank collar you will need to remove the entire crank, have it machined and then have the collar press fitted on.

It is possible to fit an N1 pump without a crank collar, all RB pumps are interchangable. However I would personally just go with another RB20 pump for only 4 track days per year. If you want to increase the pressure fit another washer under the relief spring. This will net you another 5-10psi.

It may also be worth investigating if RB25 pumps flow more if you're after an upgrade.

Green_s13 Proficient

Green_s13

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i have had a look for other rb20 pumps and i'm not after anything 2nd hand and the n1 pump was cheaper than the standard unit unless you know where i can get a new stock one from.

might have a look into the 25 oil pump

cheers

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