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Message: <blockquote data-quote="a31gtst" data-source="post: 1727734" data-attributes="member: 3086">RB20det with RB25det turbine is a good setup for beginners to play wth.There are not much Cons, you have to modify the oil and water lines that go to the turbine but that is no biggie. Any mech can do that. Make sure the turbine comes with complete with the intake flange as the RB20 one is slightly smaller and wont fit properly.There is a few different RB25 turbines, they are all marked 45V on the housing. Same as the RB20 they are also bush type and not ball bearing but they can take slightly more beating that the stock rb20 one (Max boost 1bar but dont run at 1bar for too long...it'll eventually die). If you are going to put one in, make sure that your fuelling is sorted else you may end up detonating the engine.Easiest and cheapest things to do are change the fuel pump to either GTR (190 ltr/hr)or Z32 (210 ltr/hr), dont bother wth a RB25det pump as it is crap and is not sufficient. Both GTR and z32 pumps are plug and play...if you can afford it then there are many other options such as Bosch 044 or Walbro. You will also need install a AFC or SAFC to control the fuelling. You should also get an Air/Fuel ratio meter so that you can measure and tune the A/F. A Wide band one is the best but they are costly, you dont have to get a wide band but just know that it wont be as accurate... tuning wise you can still do it wth reasonable results. Essentially thats it, you should be good to go.. you can always add on more things as you move on. I tried this setup before RB20DET wth RB25DET(Stagea turbine) with R32 GTR cams and i was quite happy with the setup. There is a never ending list of things you can do to increase your RB's potential so go slowly step by step and have fun doing it. Cheers!</blockquote>

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