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I have seen oil surge in my R33GTS25t, I have 225/60x16s, DBA slotted rotors with EBC greenstuff. On hard stop from 60-70 kph with a full stop (ABS active) the oil light will flash for less than a second as the car stops!!!!

Better baffles or accusump are the only things that will really fix it, I drive round the problem at present but would like a cheap effective fix.

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Most good speed shops should stock them. There are numerous places in Sydney.

From an independent US motorsport supplier...

The best and original coolers for motorsport, fitted as original equipment by most leading manufacturers, McLaren, Penske, Lotus etc.

Just bought one:) told me dimensions are 300 x 250 so not as huge as they look in the photos, besides a bit of extra oil never hurt anyone.

they use 3/4" banjo fittings (supplied) and the coolers are made by Serck;)

the guy told me that they are the same one Nismo use for their N1 models

Steve, Let me know how it goes, I plan on getting an oil cooler soon.

If you fit a fast acting oil pressure gauge you'll see that the RB25's suffer from oil surge just like the RB26's.

I think Sydneykid can modify the exisiting sump for extra capacity etc.

Paul, shall do, big cooler means extra oil volume too, cant hurt.

Brendan, definately will be fitting thermostat and remote filter, just need to fine some:) I am looking for a remote filter with thermostat, rather than inline sererate thermostat, but it is proving rather illusive. got quoted $20 per foot for braided 1/2" line from OG speed shop - going to have a look tomorrow.

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