Wats up guys! I'm a little new to this 20b engine. I've had experience with the 13b in my old 87 rx7 and have been a fan of the rotary world ever since.. Unfortunately I had to sell it and a year later ended up with a clean bad *** 89 240sx(S13 Chassis).. Suspension ready, wheels, prepped engine bay it just needs an engine. And the 20B is where I wanna go!!

Has anyone ever done this swap? if so how hard is it?

Thanx!

-Gerry

 

isn't all that hard if the time and money is there... airnt you on the sfldrifters forums?

 

yeah. haven't been on there in a while tho..

 

an NA 20b in an s13 would FLY!
i would imagine the swap probably wouldnt be THAT hard. S chassis seems to take every engine with ease.

This guy did a 13b in an s14, you may want to talk to him.
https://www.rx7club.com/defined-autoworks-176/rotary-power-nissan-s14-team-drift-car-2-a-767031/

 

That's good info! Thanx SilviaKid!!!

 

Too bad the S13 chassis / suspension is a piece of ****.


-Ted

 

You're always so encouraging and optomistic

 

why would you put a 20b into a 240sx? it's cheaper to do an ls-x swap, or rb swap. not to mention you'll have a better variety of parts.

unless you're just trying to be unique i wouldn't recommend it

 

it's called aftermarket modifications

and i've been here a few years and noticed that alot of rx-7 owners have a certain disdain for 240sx's? why can't jdm rwd brethren ever get along?

 

BECAUSE THERE CAN ONLY BE ONE?

 

haha ok highlander

but i seriously did lolz. why not own both cars? hehe

but seriously if you even begin to say 240sx around a rotor head (mostly fd drivers) they almost 100% of the time will start to talk ****. some will even go so far as to make **** up just to show how much they hate s-chassis. i had an fc and now i have an s13. haven't had half the issues with the s13 i did with the fc.

 

Because LS swaps are for rednecks... and It would closely compare and compete with a rb26 swap but with only 4 main moving parts and possibly a lighter more balanced platform.

better variety of 'off the shelf bolt on' parts. Custom turbo/fuel/ecu/drivetrain apps have an infinite "variety"

Anyone swapping engines in chassis shouldn't try off the shelf parts for their solution unless granny's speed shop and v8's are on the horizon.

I'd love to see it done. I would be surprised if anyone hasn't done this already... AE86 gets one so can a S13/14.

Its not gonna be 'easy'...?

 

no offense but that right there shows you are a little bias and base your arguments off of opinions and not fact.

i'm not starting an ls-x vs rotor debate but your 4 moving parts means nothing when its been proven that ls-x motors make higher hp with greater reliablity and have broader aftermarket plain and simple. not to mention it won't throw the weight of the car off. and where did i say just rb26. there are 4 different types of rb motors.

you have very bias argument and it's clear you didn't do any research. you make off the shelf parts seem like "ebay". broad aftermarket plays a huge part in the practicality of a swap or any engine build. do you custom make your own rotors? do you mandrel bend your own exhaust, did you make your own ecu motherboard and write the software? if i can find a motor that has off the shelf abilities that compare to custom ones and makes the same power cheaper nothing wrong with that

this is what i mean by the type of attitude towards anything that isn't a rotor. yes this is a rotor site but more importantly a car enthusiast site. all points of view should be considered not blind hatred for anything not rotary. i appreciate anything that's in a car and can be fast. hence why i asked the OP why he wanted to put a 20b into a 240sx.

 

rotaries and 240s ftw. Dont hate on 240s.

 

thank you. small displacement big power ftw!

 

You're welcome to do whatever you want.
It's your money.
You can choose to ignore what I say.
It's your car.


I have a certain disdain for 240SX OWNERS.
I think 240SX owners have a chip on their shoulders.
The 240SX is not in the same class as an RX-7.
The S14 / S15 has some merit, but I'm assuming you're talking about an S13.

Sorry, I work on those things also.
In fact, I'm working on an RB25 / RB26 swap.
I do know what the **** I'm talking about.

The Nissan S-chassis is not set-up for serious suspension performance.
The suspension geometry is crap.
The 240SX is not in the same league as the RX-7 in terms of suspension.
Go argue with the SCCA board with their classifications.
Nuff said.
I'm not putting down the 240SX.
I'm just stating facts.
It's not my fault that you can't stomach that.


-Ted

 

damn man. i never said my car was a race car. and does it seem like i have a chip on my shoulder? i asked you a simple question and not once questioned your automotive knowledge. like i said i've been here for years and have definitely seen you post before so don't let the low post count fool you. what's with the attitude? i'm not talking **** on rotors for having sub par performance in terms of high hp reliablity? just asked why you'd jump to conclusions about "240 owners". That would be like me hating on all rotor heads because most fd owners are ******. but i don't like to generalize.

 

lol, dont mind him, Ted is an ******* to everyone.

 

i know i've been here a few years. i'm the same way on superhonda.com

 

You seem to like to defend the 240SX in this thread.
Do I need to rehash your comments made above?
I would think you could reread what you had typed...


I never did look at your post count when I sent those replies.
To me, the post count don't mean jack ****.
To introduce such nonsense is beyond me.


It's funny cause you did make some comment about having less problems with your S13 versus the FC?
See above.
I've had the exact opposite experience.
Looking at the S13, it's a piece of ****.
There's rust problems, and stamped steel suspension components are a sign of Nissan getting cheap.
It's my opinion.
I'm not talking ****.
It's the facts.
You, getting all bent from my replies, are already insulted by my replies...thus, the comment about chip on your shoulder.


Oh, I really don't give a ****, cause I think FD owners are ******** too.

You need to step away from the computer and take a few deep breaths.
You're getting all bent cause of something you don't agree with.


-Ted

 

one i'm not bent out of shape just curious.

did i once get short with you or get aggressive?

i said i had an fc and went to a 240sx because i was having reliability issues with my fc.

if you re-read my post the only comment i had about hp/reliability was in comparison to an ls-x motor to a high hp rotary making hp comparible to eachother.


i have had none of the problems with rust or anything else and i have 238K on my chassis.

my only question was why do you hate on "240sx drivers" so much. have i been rude in the least towards you. did i get bent out of shape?

i am still quite calm, i just wanted to know why you like to generalize us "240 drivers"?

you made a remark about stock 240 suspension sucking, i agree hence my suggestion of aftermarket upgrades to compensate for such things.

frankly in the end, we are going to mod our cars far past stock, so stock suspension means nothing.

i wasn't insulted just wanted to know why you felt the way you do. i didn't generalize you so why would you make "assumptions" about me?

I ask yet again, why can't we appreciate eachother and not make "rude" statements about what eachother appreciates? if you think the s13 is crap then more power too you. The s13 chassis is prone to understeer and i can admit it's shortcomings. Every car has it's strong suits etc. so no i'm not bent about anything. I understand you know what you're talking about and that's cool but do you really need to talk down to others and make assumptions over the internet?


p.s. fd owners are ******** atleast we agree on that

 

Jesus christ. Are there any threads in this forum that have any f***ing value whatsoever? There used to actually be some decent technical info in here from time to time, now it's just total crap and random hyperbole about topics completely irrelevant to 20B's. Who gives a flying **** about the 240SX chassis, really, and how is it at all relevant to the OP's question?

OP: Any swap can pretty much be done in any car. Find a 20B, take some measurements, and go from there. Wouldn't hurt to know a fabricator who can help you with the mounting either, but measurements are a good place to start.

EDIT: I can tell you from memory that from the rear iron to the front pulley is approximately 25" in length and is it is around 23" tall from the oilpan to the top of the intake manifold.

 

The OP didn't ask if you knew why he shouldn't put a 20b in a 240sx? He didn't ask about v8's either, or sr20's or rb's... MAYBE HE WANTS A 20B!?

Hell yea I'm biased... you are to. Its like me asking should I get an plane or a boat, and you tell me to get a friggn flying saucer.

I don't think I said anything about ls-x motors being crappy or anything. What other rb motor can compare to a 20B? f'ing sr20 can't hold a candle...
Someone who's going to attempt to put an engine from one chassis into another should probably be able to have custom piping made or be able to design/build it themselves. I don't think personally that I would w be designing a custom ecu as there are lots of options that have been proven to put out reliable (based on tune and output) h.p. oh wait, but you can't get them for 20b's? or can you?

I'd like to think that there is a broad aftermarket support for rotary engines...

To the O.P. - Do it!! Not going to be cheap or easy.
For an Idea... http://fc3spro.com/TECH/SWAP/COSMO/20b.html

 

actually it was a forum and i wanted to know why he wanted to put a 20b into an s-chassis? is there anything wrong with that.

i gave him a suggestion as to other viable options that would probably go easier into such a chassis. i merely gave you a response to your "intelligent" response as to how ls-x's are for rednecks.....

I'm not biased at all it was a question. Show me how i'm biased towards anything. I owned an fc for crying out loud.

as to your remark about custom etc. a motor with broad aftermarket tends to have kits that make swaps easier which usually save you time and money. nothing wrong with custom, i have a custom ecu that ended up being cheaper than aftermarket stuff like enthalpy. the whole point is to understand the logic behind the op's ideas so we can better guilde him with our input. a couple members here tend to hate on anything that is the least bit not rotary.

You're the one making comparisons you can't back up. did i say anything about an sr20 holding a candle to a 20b? that's like comparing a b18c1 to a 2jz-gte. it's apples and oranges, i mentioned other options that might be easier to swap into that chassis, but if he wants to be original more power too him. didn't talk **** only cleared up opinionated statements you pull out of nowhere.

there are plenty of rb's that could hold a candle to a 20b. i'm not starting a debate just making a point of your own unfounded bias. rb25, rb25 neo, rb30 frankenstien swap, rb26. all have made crazy hp when built right. but this isn't the point of this thread. any motor will be beat another motor given the right amount of money rotary or piston.

I simply asked a question and if he really wants this swap then go for it. More power to him. i want 400+whp on pump gas out of my car, for a little under 2k it will be achieved reliably. there are other feasible better options to attain such a power goal but i like my setup. so no need to get defensive.

and the only other question i asked is what's with the animosity towards 240 owners and why can't we get along.

 

Yes, there is. The OP asked a pretty straightforward question and your response really had nothing to do with his question. Not only that, but your response was destined to create a shitstorm of useless banter about which engine is 'better' or how 'bad' the suspension geometry of the S13 is, all of which is subjective nonsense.

I am usually pretty quiet on these forums and only contribute where useful, but it seems like recently this section (which was arguably one of the more useful on the forum) has been filled with garbage.

I apologize in advance for further derailing this thread.