Quote:
Originally Posted by Slidin' Sam
Any motor your gonna get from Japan has probably been beaten pretty hard. Also, Japanese motors are not as low mileage as you would expect. I have had 4 Silvia's now and all of them were at/around 100,000km min. when I got them.
As far as reliabilty, either one can be very reliable.
RB25 definately has a better transmission, but is less common and more expensive in the states (from what I have heard, but I live in Japan).
RB's sound cool, IMO.
SR's are more fun, IMO. They have a quick spool and good powerband.
Either motor can handle abuse fairly well, as long as you maintain it.
.9-1bar is ok for daily boost on both motors.
It all comes down to personal preference IMO.
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Honestly right now I would say your bets are higher on a a low mileage RB over here.
The days of low mileage SR's are indeed coming to an end. Though you have to realize something. 100,000k is still on 62 thousand miles. That is still low mileage . Plus fact is you have been buying running cars that have not been crashed so of course the mileage will be higher. LOL
As far as it being beat on you can inspect a clip and tell immediately if the engine was beat on or not just by how stock the clip is. For one thing. The other thing you can do is a cylinder leak down test and compression test, you can also inspect the turbo.
The RB is less likely to be beat on as well because it has enough power stock and its coming out of a GTST which like I said before is not exactly the performance model version of the car.
RB's can spool damn fast with the right turbo. I know my GT2530 on my RB spooled instantly and my friends with SR's were shock by the way the car pulled like mad.
Either way indeed both engines are fun.
Just because you are in Japan it does not mean you know anything about the engines imported over here. Unless you work for an exporter over there you really have no idea what we get here as you are over there.
To the OP if you are living in Texas then forgot about stage builds and think about cooling, of course depending on where you are in Texas the humidity could play in your favor as 100 degree temps with high humidity are much more forgiving on a Turbo engine than 100 degree temps with no humidity i.e. wet heat vs dry heat.
Though with a RB in your car cooling cooling cooling cannot be stressed more.