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7758521

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Posts posted by 7758521

  1. your advice on R32 oil system problems is a bit off mate. it has nothing to do with start up. there are a number of well documented shortcomings in ALL RB26 oil systems. if you had looked at this forum before buying your car you would have known about them. it has nothing to do with the engine pumping oil on start-up and it is in no way solved by an N1 oil pump.

    The only part of this problem that is unique to R32s is that the oil pump drive flats on the crank are narrower than later model cranks. this can become a problem if it causes wear and possible failure of the oil pump gear.

    the RB26 does have a problem with having too much oil trapped in the head but not at start up. this occurs at sustained high RPM and it's not so much how much/fast it pumps but the fact that the factory oil return galleries are insufficient to return oil to the sump quickly enough. to combat this you should fit an oil feed restrictor in the head, and machine out the oil return galleries, and if you are considering track use even fit an external -10 or -12 oil return from the back of the head to the sump.

    all model RB26s also have a problem with oil surge under hard cornering/high rpm. when you have a lot of oil trapped in the head, and not much in the sump, and you are pulling some decent corneing G then oil can be low enough that the pick-up is no longer sucking up oil, but air instead. it's then very easy to damage the engine in a second.

    to be honest you must be mad buying a $11,000 32 GTR. It costs so much to turn an average (or more for a poor) GTR into a nice GTR that it really is worth paying extra for a nice restored R32 GTR to start with. to take a GTR and restore it nicely (new interior bits, replace all underbody bushes, replace suspension and brakes, do the diff, transfer case, rebuild engine, new turbos, ecu, wheels, tyres, maybe some bodywork, paint etc) will cost $50K +. but you can pick up a really mint 32 GTR with all that done these days for $35K or less.

    GTR's are very expensive to run, modify and maintain. I would hazard a guess here and say that your GTR will be up for sale very soon....

    is there any different compare r32 and r33 gtr? no - vspec? thanks

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