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Engine Tech Technical discussion related to all relevant engines such as KA, SR, RB, CA, 2JZ , L24/26/28, VG, VQ, and LSx series. |
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#1 |
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![]() I have an rb25 and plan on putting in 2 1.5mm restrictors into the block but is it possible to go with a smaller restrictor in the future once I go to a different oil pump?
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#2 |
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Generally you peen the hole a bit so the restrictor can't come out. You're probably better off installing them once. Why would you change them when going to a different pump? Does the new pump generate more pressure? If so, you can simulate it by shimming the relief spring.
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#3 | |
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Quote:
http://www.skylife4ever.com/2014/08/...-pump.html?m=1 There is a chart out there that recommends specific restrictors with specific pumps based on your setup.
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#4 | |
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Quote:
I have an N1 pump with spool import gears and 1 oil restrictor blocked. the other is left stock. It's been awhile but I believe I was seeing 7-9bar oil pressure on a cold start and it gets over 7bar on WOT if I remember correctly, it's been a few years.
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#5 |
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That sounds like good pressure for an RB to me.
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