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Rb26 Oil Pump "gears"

Antimatter

By Antimatter,
in Engines & Forced Induction

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Antimatter Experienced

Antimatter

Posted
Posted (edited)

Given that current exchange rates have pushed the price of tomei oil pumps un near the 2k mark - I was wondering if there is any other options to upgrading the oil pump on my RB26. I have heard some talk of a CNC'd Pump Gear assembley that is larger and manufactured from better material than the stock and N1 oil pumps(??). The other thing is I assume there is more than just the gear assembley to upgrage... e.g can a stock or N1 housing be machined to accept the larger gear and so on....

RB26OILPUMP1.jpg

Thoughts?

Edited by Antimatter
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bigmikespec Veteran

bigmikespec

Posted
Posted
Given that current exchange rates have pushed the price of tomei oil pumps un near the 2k mark - I was wondering if there is any other options to upgrading the oil pump on my RB26. I have heard some talk of a CNC'd Pump Gear assembley that is larger and manufactured from better material than the stock and N1 oil pumps(??). The other thing is I assume there is more than just the gear assembley to upgrage... e.g can a stock or N1 housing be machined to accept the larger gear and so on....

RB26OILPUMP1.jpg

Thoughts?

I think it is a great idea if it is possible for the pump housing to suit the strengthened (possibly larger) gears. Buy a new N1 pump (or possibly standard) and replace the gears with some CNC machined ones out of some very tough alloy would be a viable option. Also, because the pump does not have an increased flow rate (like the Jun and Tomei ones) you may not have to worry so much about increasing the capacity of your sump (less $$$).

Not sure how everything fits into the pump but you would want to have an idea on the tolerances for the gears other wise you will end up that famous creek without a paddle.

bigmikespec Veteran

bigmikespec

Posted
Posted
Oil pump gears to suit RB pumps are not too far away....being manufactured as i type this

You are a good one for keeping secrets Paul, and releasing bits of information, haha.

- What material?

- Where did you get the design from?

- How do you know what tolerance to machine to?

I am sure there are more... that should keep everyone going.

GTRsean Grand Master

GTRsean

Posted
Posted

Uh huh........

Actually they quoted me $550, just had a look at the email I had a while back.

From an email I recieved from power tune:

Yes, they are modelled on the N1 gear set so are exactly the same size.

The difference between our gear set is the material they are made from which is a pre-hardened alloy composite and as such does not require heat treatment.

As a performance part, we regret that we cannot offer warranty. We developed these gear sets out of necessity as many of our customers had broken so many of the N1 gear sets.

We made our first set in 2006. It was put into a 400kw GTR and is going strong.

JD74 Explorer

JD74

Posted
Posted (edited)
if theres genuine demand i could push production of mine?

billetoz08cr1.th.jpgbilletoz07mr9.th.jpg

A complete new Pump incuding housing ?

Or just a new set of 77mm N1 Pump Gears ?

The best thing about this idea is the option of Gear upgrades for those that bought N1 pumps and don't want to get rid of them, but are scared to use them without the upgraded gears.

I am not sure if a redesigned pump would sit with enough confidence with most people.

Allan

Edited by JD74
Beer Baron Grand Master

Beer Baron

Posted
Posted

if you want to upgrade your pump gears but the reimax ones. they are the best. they make the gears for group A race cars etc. formerly reinik.

http://www.reimax.co.jp/pages/products/lower-area.html

up till a few weeks ago they were about $550 too, bit more now with the bad exchange rate though. but they are good stuff. I know a few people who have used them in pumps both here and in japan with good results.

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