Kapr

August 16

EDIT: just to ask...is it plug n play or do i need some "adapter" or something behind the wheel?

EDIT2:

i found this...is it the same wheel? It looks like it. Of course it is a GT-R but it seems like and plug n play and using the stock plastic cover?

August 16

Oh nice 🙂 thanks!

August 16

Hi.

Can this steering wheel https://trust-kikaku.myshopify.com/products/875111001 fit on my car (R34 GT) It has OEM GT/T wheel (no auto - factory manual) Of course the center with the airbag would be from that stock wheel.

Thanks :-)

August 14

Ok thanks i try look into it.

And i dont wanna start a new thread so i ask here.

Can this steering wheel https://trust-kikaku.myshopify.com/products/875111001 fit on my car (R34 GT) It has OEM GT/T wheel (no auto - factory manual) Of course the center with the airbag would be from that stock wheel.

August 14

Hi. Thanks for the info. I have stock ECU so no "easy" 2DIN radio?

@Rezz: tak Apexi DIN3 would work with stock ECU/car?
As i said i dont even listen to music in this car so this would be nice.

August 7

Hi. In these days i finally get to the interior. Bought some new parts to change and now iam at the radio unit.
It is some old carrozzeria unit.

Is there any unit to fit to the R34 which can show me some info about the car like oil/coolent temperature etc? I just want cuz of this. If it cant i try to find OEM cuz i dont even listen to music :-)

July 24

I meant to stay at factory settings Any plus power from my engine would be huge.

BUT it is not happening cuz i talk to the guy and the shipping alone would be around 3500-4500 USD ...which is sadly a no no...

But at least i asked. So thank you for all the info.

Another thing i looked into is/was +T to the that engine but IMO it is harder to get right i would be scared to blow up the engine.

July 18

Ok so with new trans i need GTT/trans propshaft.
With that RB20DE NEO trans..i know it depends on condition but can i at least drive with it? I do not mean trash it... just to drive it around/to shop/garage.
I know some people have same trans on RB25DET and make on it 10k+ km ...but some of them blow it after couple of km
Iam talking part/compability wise.

Apart from that...is there anything else i maybe looking to get/need?

July 18

I ask them...of course how much would be the shipping too :-) I know i can ask them...i just ask here if by the description on their website is everything there for the swap. I know some major parts etc but iam not mechanic...so maybe someone who is far more experienced would see and say...oh yeah you will need this too and this will not work...this type of stuff :-) I just gathering as much info i can get.

@GTSBoy: i cannot? It is good to know...i saw on the other forums that they use shafts and gearbox from RB20DE (i think the RB25DE has the same "weak" trans?)
LSD i would get here...some folks have this from theirs GTTs...

Yeah i already typed few people around here if they have/can get GTT trans :-)

July 18

Hi. Thank you for the answer. No i will not do it myself. My mechanic is very capable IMO but problem are parts. I need to order everything from abroad specialy from JAP/AUD/NZ cuz we do not have anything here.
The "hard" part is for the parts...is this engine iam looking for has "everything" i need for the swap or are there any parts i would need?
I know factory air box is missing but i have HKS air filter and some of the old DE air box would fit in. I know that intercooler is missing too but that is aftermarket stuff and that should be easy to get even in here.

As for the money on gearbox...i do but i do not at the same time. I want to have some money on the side cuz i know something will go bad or need to replace.

Iam seeing this as project for many month/year+ so no need to rush.

As i was saying iam only looking into this cuz this particular engine. I know the 3G Spares have reliable parts.
Other engines i saw are mostly (like 99%) AWD engines with "no" history and ton of parts missing.

July 17

Hi.
After a 4 long/short years i wanna ask. Just ask cuz i know it would be a ALOT work but.

https://3gspares.co.nz/collections/engines/products/nissan-r34-skyline-rb25det-neo-turbo-5mt-complete-engine-motor-package-104-400km-gt-t

I found this engine...it looks like it has all the things you need to for the swap. It looks clean and in very good condition
How hard would it be to swap instead of RB20DE NEO(factory 5spd manual)

I know the gearbox is weak but it should just plug n play for a while no?
I have better fuel pump(mine went bad) and brakes are from GTT.

Iam just asking around to gather info. Only considering this cuz i know these guys and this engine IMO is completed package for swap.

Thanks :)

May 16

Hi.
Long time. I did not drive this car to much. But problem is still there.
There is no code in any program.

Any idea what that should be?
MAF is new original/clean one.
Spark plugs/coil pack is ok. New fuel pump. All filters/oils are changed.

August 5, 2023

Hi...sorry for late reply.
It looks it "repaired" itself...maybe it was need to bleed or just "get used to" the new fluid.

I have done X houndred km and problem is no more so fingers crossed 🙂
But thank you for help!

July 27, 2023

@The Bogan Yes...it was done tuesday. Before it happens like one time in a month maybe and goes away in a second.
We have done the fluid service and after that it starts doing it. Maybe the new "thicker/better" fluid is too much for the "dying" pump?

@Murray_Calavera Yeah we checked that like month ago...i have new coilovers and bushings...wheels are tight and it does drive "bad" or vibrates from driving...only when i steer the steering wheels starts to shake.
Maybe bubbles in the system? Could this causing this?

And if need to replace the pump...are these pumps same on the "all" R34? Or maybe some other car has the same? (i have RB20DE NEO Manual)
I looked at the parts numbers and genuine pump is like 1050 USD O_O

July 26, 2023

Hi. My car starts to vibrate the steering wheel when i turn the wheels (it happens more often when iam turning to the right)
But if i stop and try to "park" the car steering wheel shakes in both directions.
it ONLY happens when i try to steer. When iam going straight or slightly turning it is ok.

Could this be bad power steering pump or the whole rack?
I saw some topic about "death" wobble...it does not do that. Car is not shaking when it drives straight(or slightly turning) or if it sitting idle doing nothing.

Thanks 🙂

June 23, 2023

@joshuaho96 Do we need any "special" software? I know(99%) that the car has no OBDII port and that i have some extension cord to the interface to OBDII

@GoHashiriya
Can you send me the link? I do not see that(it is friday so maybe it was sold)
Yeah they were used but i dont know how many km they done but i presume that if some of the coils gone bad the car would run on 1/X cyl less same as the problem with the connector?
As for the parts...yeah coil are old splits...plugs and harness is brand new...MAF is OEM and upon inspection looks good...connector to that too. CAS i rly dont know(can it do that?)

For the info i have.
I took the car to the highway and the symptoms are that most noticeable "lack" of everything on 4th and 5th gear.
When i try accelerate just a little...the car and the engine change sound like it want it to do something but nothing happens...sometimes it start to accelerate but sometimes it does not...when the car changes the sound but it does not accelerate i would describe that sound as...some type of "chooking" or breathing? The sound is differenet and it changes to "normal" accelerating sound soon as the car starts to accelerate...maybe stuck/dirty throttle body?

BUT if i put "pedal to the metal" car behaves normaly and all those "problems" above are nowhere to be found.

IT IS really only when iam trying to maintain the speed or slightly accelerate.

June 16, 2023

It is factory manual(5 speed)

The lag is "most" noticeable on 4th gear but it can stil "lag" on 3rd or 2nd...but on the 2n/3rd it is really like "milisecond" loss of power but gas pedal reacts normally.

And it not do that all the time...the "loss of power" is only sometimes and the "i dont know what you want me to do" on 4th is happeing often like the just do not react to the gas pedal(it reacts i can feel/hear it but like nothing happens for a moment)

But as i said it i only a cruising problem and when i try to maintain the speed.
When i drive it "harder" the car behave as it should...

June 15, 2023

Hi,

So the new coilpack loom solve the problem.
But the "cruising" problem is still there...the "lag" happens only a little bit but (it maybe connected) this happens mainly on 4th gear...there is a lag in power. When i try to accelerate only to maintane speed or little bit speed up...nothing happens only after a few moments like the car would "forget" what i want him to do. But if i put "peddal to the metal" it behaves normaly and quickly.

When we replace the coilpack loom we changed sparked plugs(old were still good and nothing bad bud still) checked the coil packs and injectors...all were good.

So what can it be? Can it be that MAF? And if...is there any other place i can try to get it other than the "official" sites with nissan parts(they want like 500USD juts for the part) 😄

Thx 🙂

May 31, 2023

Yeah the man has some serious knowledge 🙂
I let you know how the things went after the reapir/loom arrives...
I know that very few people has this engine...but at least it will be there as a info...not much of it anyways so at least something.

May 29, 2023

EDIT:
Hi...so the "new" MAF is busted...100% not working or is just a cheap knock off...my old one running fine but soon as we put the new one car start to behave like that above(black smoke rough idle and 1-2 cyl down)...
So at least my is "good" for now.

Another issue related to the problem is that we found one of the coil connector was little bit out and it seems kinda broken.
He says that this should be that problem cuz car is running normal until it heats up and then it start running bad. He says it can for like 90% could be this bad connector. It heats up and then just "slide" out. He try to "repair" just for the testing if it is really the connector. I already buy a new harness 🙂
So we will see.

May 20, 2023

Hi. I have the RB20DE NEO too. Did the car feel "slow" and slugish to drive? What about "sound" do you feel/know that car goes only on 5(4) cyl?
I have something similiar and it was bad valve on one of the cyl.
It looks like you changed "half" of the engine but did you done the compression?

May 12, 2023

I dont know too...i looked at the "original" price from JP Parts at is around 500 USD...but many times these are price are way to high.
Hope i wont need to buy that 500 USD one 🙂

I tried to look on different parts but the part number is the same...this MAF is used in tones of other vehicles.
The number on the silver plate is different but i do not know what is that for...

May 11, 2023

@JayJay777 Hi. I try to check that 🙂

@GTSBoy It is this MAF https://www.ebay.com/itm/283856838638 it looks genuine to me but i do not know 😕
Yeah he is good i just want to "help" and try to get some info for mysefl too 🙂
He put that engine back to the working state at it was working fine. (minus those problems) But maybe now he will figure out the problem and even on cruise car will be "normal".

But thx for the info...i will let you know what is/was wrong 🙂

May 9, 2023

Hi,
UPDATE(not o good one this time )

Today i drove normally and suddenly i notice the engine was running kinda rough...like it was down one or two cyl. On idle it was all normal...no smoke no nothing...but when i start going car feels extremly sluggish and it was very slow even on this car. Car was kinda lagging going into the speed...as i say it looked like it was down one or two cyl.
I do not want to risk anything and went straight to the shop.
Car was completely fine on idle and even reving up the engine reveal nothing wrong...asi i mentioned above i bought new MAF(the part is exactly the same asi mine)...
So we try to replace the old one with new...but it was kinda shocking.
When we put the new...car starts but run very bad...low on idle...definetely not running on all 6 and smoking(black) from exhaust(maybe rich?)
Why the car does that? Of course the car stayed(again) at the shop and he will take a look what is wrong.

May 7, 2023

Happy new update(since last tuesday)
It was ONLY the broken hose from the heater core. Heater core was leaking so we took it out like month ago and just "connect" the hose until the new come out.
Being the 25 year old Japanese rubber...the hose do not like the new position and being "too" close to the exhaust(even with heat shield) and just broke.
So no HG no nothing.
My mechanic even told me(i did not know that) that Skylines have overheat protection when the engine starting to overheat they just cut the fuel...and that is what happened. Next day when the car was cold it started like new.

So at least something was not completely wrong 🙂

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