rb25 info needed - Zilvia.net Forums | Nissan 240SX (Silvia) and Z (Fairlady) Car Forum

Kitahara · 06-15-2002, 10:55 AM

Actually, the RB20 and the RB25 are the same install, and it should not cost that much.  The blocks are the same.  You would need custom engine brackets, and an electric fan.  I am pretty sure that's it.  That's not all that bad.  Then you have to worry about hood clearance issues because of the intake manifold design.  That can be corrected by either getting rid of some of the hood skeleton, or moving/modifying the intake manifold to a short runner design.  The wiring harness can be a bitch , obviously, but I don't believe that it would be a whole lot different than an SR harness.  I've seen RB25's at a price of about 3500 quite often.  You might be able to source an RB from AU and get it much cheaper.

06-15-2002, 10:55 AM	#1
Kitahara Leaky Injector Join Date: Apr 2002 Posts: 119 Trader Rating: (0) Feedback Score: 0 reviews	Actually, the RB20 and the RB25 are the same install, and it should not cost that much.  The blocks are the same.  You would need custom engine brackets, and an electric fan.  I am pretty sure that's it.  That's not all that bad.  Then you have to worry about hood clearance issues because of the intake manifold design.  That can be corrected by either getting rid of some of the hood skeleton, or moving/modifying the intake manifold to a short runner design.  The wiring harness can be a bitch , obviously, but I don't believe that it would be a whole lot different than an SR harness.  I've seen RB25's at a price of about 3500 quite often.  You might be able to source an RB from AU and get it much cheaper. __________________ 96 240SX - under construction