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RB26DET: Oiling system questions.


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RB26DET: Oiling system questions.


The car:

1992 USDM, LHD, S-13 Silvia/240SX


RWD converted via RB25DET transmission

Greddy T-78, single turbo conversion

JE pistons

Eagle rods


Current oiling system plan:

Modified RB26DETT oil pan (pics below)

Tomei oil sump

Tomei crank collar

N1 oil pump

Tomei oil restrictor

drain from the rear of the head to the oil pan

Greddy sandwich adapter

oil cooler



My questions:

Will the N1 pump be sufficient?

Should I swap the stock pump gears with a set of Reimax gears?

Should I sell the N1 and upgrade to a higher end oil pump?

If I should upgrade, what brand? Reimax? Greddy? HKS? Tomei? JUN?

Any suggestions on an oil cooler?

Where do I plumb the Accu-sump?

Where is the best place on the pan to plumb the drain from the head?



The car will mainly be a street car, not a daily driver...just a weekend warrior. It may see some drag time, but very little. I'd like to make 600-700rwhp.






Thanks again for any help and opinions, I appreciate any info or input.

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