Sr20det Or Rb20det???

[blasting_speed]

I'm going to buy a 1998 Nissan 240SX SE and i'm going to have a few thousand bucks left over after buying the car. So, i wanted to get some advice from some serious Silvia fans.


SR20DET OR RB20DET???

Don't give me that '' it depends on what you're looking for''.... CRAP! Just post SR or RB easy. Thanks dudes.

[projectRDM]

It depends on what you're looking for.

Seriously, if you need a group of people you've never met to hold your hand with such a decision, how are you ever going to get through life? It's your car, do the research that everyone else has done without asking for a handout and decide what you feel is best. There's a million reasons to go either way, we don't know you and don't care to know you, so we certainly don't know what you're looking for, what your budget is, what your goals are, or what you hope to gain from it.

[jrbump]

Rb20 is really the most useless of all the swaps, rivaled only by the CA swap.

Get the cleanest S14 SR clip you can find and enjoy life.

[Timeattack]

SR20 so much easier to find parts in my opinion

[MADE]

Its been discussed before. What are your plans for your car? Personally I wouldn't consider putting an RB20 in a 98 240sx. I've owned both SR20 & RB25 powered cars and they have their pros and cons.

[Lurpin]

it is possible to find parts for a rb20 but not as easy as sr20, i would go with sr20. Those are not the only two engines you could put in your car either. Do a little research and you will find what your looking for.

[jrbump]

^ there it is there.

[Quigs]

Think about it dude.

SR20 is a very, very popular swap. There are parts everywhere for it.

The RB20 is old, and there is little to no aftermarket support over in the states. What happens when the RB20s alternator dies? Good luck getting one over here.

And really, an RB20 in a S14?!?! That's just dumb and pointless within itself. If you are getting a 98 S14, and if the motor is strong, then KA-T that bitch. The RB20 is definitely the most pointless swap ever.

But, it's you're car, and although you don't want to hear it, it does depend on what you want. Do the research, and if you choose the RB20, good fucking luck man. I'm sure you'd resort back to looking at an SR within a month.

[Otis Performance]

Everyone will tell you to go sr20det

i dont know any sr20det putting out 223hp at 8psi with smic and 2.5 exhaust.

I also have any part you need for rb20det so you will never have to worry about looking for parts.

[s13coupedrfter]

If your going to go through the hassle of a rb swap go rb25. Otherwise stick to sr20det.

[FusionR240sx]

do some research on your local laws before you swap it.
wish i did.
now i gotta register it somewhere where there are no emissions.

[nissanmotorsports]

i'd say go for SR20, that's one of the best.

[Blackparade]

ok.... is this argument still going on in 2008....
Those of you who say that the RB20 is worthless, come to LA, ca and prove it. Ive got an RB20 in my s13 and LOVE IT!!!
AS for aftermarket support, just cant you cant find a bunch of knock off parts for it on ebay doesnt mean you cant find parts for it. IF you know anything about making power in general, than you would know what parts are to put down power. And those parts that you need are easily attainable. I dont recomend going RB to those who dont know enough about basic mechanics due to the fact that you probably wont know anyone who will be able to help you out when some random part takes a crap. Ive got 5 numbers in my cell phone that i can call up if i need anything, anything at all! So before you guys open your mouth again, prove it!

[FusionR240sx]

too bad a sr20 is in the price range of a rb25.

[jyon9689]

An RB20 isn't a bad engine, but parts can be an issue for someone who isn't well connected or inexperienced. Plus it's still two liters yet, talking two more pistons, two more rods, more valves, springs, injectors, etc. if you start replacing parts/building the motor.
If you're going to be new to the whole s-chassis scene, at least swap a motor that is somewhat made for the chassis your working with. I do love the sound of a 2.0 I6 though

[qwikspool]

sr20det, there are more parts for it. if you are going rb, might as well get a rb25 or a rb26.

[Addicted2Kouki]

Everyone will tell you to go sr20det

i dont know any sr20det putting out 223hp at 8psi with smic and 2.5 exhaust.

I also have any part you need for rb20det so you will never have to worry about looking for parts.

word.

they kick ass. RB haters, dont talk unless you have personal experience with it.

[Dustxking]

ka-t FTW!

That engine has to be running really strong and trustworthy.

[Blackparade]

THe sound is sick!!!! I love going off the limiter in this car!!!! oh..And i dont have to worry about valve float =)
Im amazed with what it can do stock, Moreso than stock sr cars i have driven/drifted. I love sr's also, but am tired of people knocking my engine before knowing anything about it. All they see is same base HP, more weight, and lame ass people dogging it. So they just regergitate what they heard. For more info on RB's hit up 240sxforums or nico

[blu808]

Ok.

Rb20det = Is truely a terrible engine. If you know what I knew along with many more on this board. I would rather turbo a ka then deal with a rb20det

Sr is ok though.

[EAT Motorsports]

SR is my fav... RB25 or bigger... or KA-t stay away, from the CA and the RB20 ......

[slw240sx]

Rb20 is really the most useless of all the swaps, rivaled only by the CA swap.

Get the cleanest S14 SR clip you can find and enjoy life.

ah come on, i have less into my CA setup then most Sr20's and this thing screams with the proper turbo setup and cams.

[ECR33S14]

You can find any part necessary for an RB stateside you just need to know where to look. There are a couple of shops that have or can get ANYTHING needed for an RB motor. But as for ease of swap id say stick with the SR over the RB20. IMO if you want an RB go with a 25 or 26.

[WagDatto]

I always see this topic come up from one forum to the next. Go with what's available to you, but also think about your resources to get new parts. SR20's are way more common, so power parts and replacements are going to be easier to come by, and they're nice, reliable, powerful engines that slip right into your engine bay. RB20's are going to be harder and more expensive to source parts for, unless you know a guy. RB's are sick, though, I love that sound, and they're strong motors, too.

Go with what you can, both have excellent bang for the buck.

[patsilvia]

No offend of your swap, I like both, but one thing to remind is
is your suspension/brake strong enough to handle with sr or rb?
good luck

[ak_slick]

I own an rb20det and I have run it from 12 to 16lbs of boost. I have ridden in quite a few sr20det cars and worked on many others. I would say between an sr20 and an rb20 I would go with the sr20 for ease of everything period. The only reason to not go with an sr is if you want to stand out and want to do something different.

Everything will be harder if you get an rb20 and more expensive as you keep getting the need for more power. If you are going to swap an rb into your car I would say that you must go with the rb25det or it really isn't worth the extra effort.

There is my drawn out explanation. Don't get me wrong I love my rb20. It has more torque than an sr (at low boost levels) and seems to spool turbos faster than my buddies sr . But I don't think that justifies the extra effort and money it has taken to make it what it is today.

And if you need parts for any jdm engine west covina nissan is the place to talk to... ask for Justin at the parts counter he knows what he is talking about. He got me rb20 valves in just over a week.

[thedecapitator]

sr20 find parts easier and less expensive

[ChicagoS14]

do some research on your local laws before you swap it.
wish i did.
now i gotta register it somewhere where there are no emissions.

THats why in CHitown you get a 95 :drool:

[MADE]

care to share???????????????????


At this point I perfer the RB because it had alot more torque than my SR has and driving was more_________. When I moved to Okinawa from mainland Japan pretty much everyone was running an SR and making alot more power with less money so I decided to try the SR as its cheaper money wise to mod and maint hands down. So after I PCS'd back to the states I decided to see for myself.(currently SR) I'm happy with both engines but I plan to go back with the RB25 or 26. I've never drifted I was more of a drag or wangan guy. The RB suits me better but the $ factor for a newly married guy wasn't going to cut it. Now that I'm settled I plan to build an RB and once its done swap it out or throw it into a Z chassis.

I won't say either platform is garbage cause I've seen some serious builds out of the CA,SR,RB and VG's but its more about what the owners plans to do with it.

90% of the board will be bias IMO just find someone with an RB and SR powered car that are somewhat the same power wise and ask for a ride along and make the call.

[blasting_speed]

I've been driving a 3000GT for a while now. Lately i've been having some crazy trouble with it. So, i had some dude that wanted to strip for drag and gave me $14k for it. After a lot of research i've noticed that everything from my GT is kind of a downgrade (powerwise that is).

The reason why i posted those two engines was because i've been in two different S14s with them. I drove them and totally dug both of them. Being in my Mitsu' for so long it kind of dumbed me down in the Nissan region of my brain.

I just wanted to get a real opinion from some Silvia tuners. Being as brutally honest as you guys are, i think i'll go with the SR20DET swap. Thanks dudes.

[Phlip]

Since it looks like it took 36 posts for the thread starter to get an answer he could have answered without placing himself in position to take on all this shit, I will close this now.
He even got a sales pitch to boot.


... and delete some posts