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Tomak

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About Tomak

  • Rank
    Rank: RB20DET

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  • Car(s)
    r33 GTR
  • Real Name
    Tomasz

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  1. Guys i remember now that the only part i have changed in my car before swapping to Rb25 motor was the rear differential. Before killing my RB26DET my rear diff also died and i have replaced it with different one. I am not sure about the source where i bought this rear diff, i got it from some local garage shop that does not have good feedback on forums. It was very cheap too, around 200 USD, this is why i took a risk and bought it. So my car suffers vibration right after the rb25 swap and this rear differential. Can such a vibrations be from this rear differential? When my old differential died i could hear loud howling sound like siren this is why i changed it. But i dont remember such a harsh vibrations, it was 2 years ago. Actually i have my old differential in my house so i can put it back to check if also vibrates. Maybe this way i can at last check the rear differential. The prices of rear diff on ebay are killing me, 1500 pound from UK ;/ If this is the issue what do you suggest? Get the third one used OEM or maybe change the diff internals for new one some brand like Quaife? https://shop.quaife.co.uk/nissan-skyline-gtr-r32-r33-r34-rear-quaife-atb-helical-lsd-differential
  2. Thanks for great ideas. I have cut my rear spoiler already because i found it is to heavy and too big and also cut front lower spoiler lip. It looks like shit now but at last i can go to the supermarket to pick up some patatos. I plan no further modifications between GTR - GTS so far. The front from GTR r34 would be nice by the way, maybe i think about this conversion one day. It will be GTR/GTS NEO/R34/ converted also forget to add its already left hand drive converted for EU roads with cockpit from Maxima 1995. LOL My mechanic was a pro drifter swaping rb25 to S14 and he said there are some advantages over rb26 but i dont remember now what he was talkign about LOL. He is deep inside these engines and run the store with parts to Rb's I also rebuilded my Rb26 once with forged pistons and rods. after spun bearing. It cost me around 8k USD and then i spun the bearing again after 3 years of driving. THis engines has problems with oiling and high revs. So in this case i changed setup to RB25. I spun bearing again in Rb25 after 1 month and got another Rb25 at 2k with labor. Driving like gold now for one year on stock internals. I dont mind spunning bearing again pretty soon LOL
  3. Yeah i was thinking about this for some time now. I think this is the only way to take apart everything and check every part and joint. I am pretty sure its coming from the front, cus i can hear this rubber noise when i brake and accelerate. I hope i will find something finally.
  4. Because Rb25 is 10 times cheaper in my country than RB26 and more accessible and i like to kill the engines, so that was the decision. Rb25 is not bad at all i dont see any differences except lower revs limit 7500.
  5. So you are saying i may need to buy next gearbox? Thats what i was wondering and left this for last part to change eventually, .... LOL, they dont use sirens in my country anymore, they try to race undercover with BMW's so i need to be cereful when i see any BMW on my tail now....;/
  6. Hello, I have an issue with my car R33 GTR after swapping Rb26dett (which i killed) to Rb25det neo. Some vibrations has occured. This swap took about 12 months so i did not run my car for 12 months and i have no idea what issue can be. i have light flywheel dedicated to rb26dett with the clutch NIsmo Super Coppermix Twin Plate that i am using now with rb25det neo I am strugling with big vibrations that starts over 160km/h and go away when car accelerate faster, I can feel smaller vibrations also from 120km/h. From the range 0 -120km/h fell no vibrations almosts at all. At 250km/h can hear weird howling metal noise and i am affraid to accelerate faster. When i stop my car on traffic lights and i start drivin again i can hear one metal knock sometimes and weird rubber grinding noise. Any ideas what it can be? I am strugling with this issue for some time now, changed some parts in my drivetrain already and put a new set of tires but nothing helped. So far i checked all things related to the wheels, gearbox and engine pillows and driveshafts but all changes i have done did not helped so far. Can be this related to light flywheel not being balanced properly with rb25det neo?
  7. 47970-23U00 - where i can buy these abs rings in Australia or Japan? I found only one seller in USA but he wont ship to Europe ;/
  8. Thats for sure, my last tuner said running rich is better, it protect the engine from destroying.....i think i have to visit second tuner anyway soon. I think i start from here. Thanks dude! Never thought about that one...never change mine yet, o_O "Or just close the window." - ...thats impossible for sure when this setup sounds so epic....:P. Just got myself a mask with ffp3 filter, i hope it helps for now. Maybe i try this Venom Catalyzer then one day, thanks guys!
  9. No leaks, its just daily driven car no side or front pipes lol. Little wind from behind with open widnows on traffic lights and the car is full of smell, makes me sick....
  10. Hello, I just build a new setup Rb25det + 6boost + GTX3071r gen2. Car is crazy fast and responsive on stock interenals. Gasoline smell is so nasty makes me puke, cant drive with open windows for long time. What catalyzer can i use for this setup that will last for 1-2 years at last? I dont want to blow up my engine or new turbo.... so if this is a bad idea just tell me and i will drive with the mask on my face LOL. Nengun have in the offer Apexi Catalyzer but i dont know if this one handles powers up to 500hp and will be good for my setup and wont damage anything.....what can you recommend? I just want to reduce the gasoline smell and not blow my engine. I dont care about passing the emissions....etc... Here is the link to the catalyzer i was planning to buy https://www.nengun.com/apexi/super-catalyzer
  11. ok thats a good news, my mechanic said it cant be changed. So i will find the shop that can change this in my city then
  12. The h No i did not yet but i have only bad experiences rebulding skyline parts in my country locally because we dont have this cars here. Car is vibrating at hight speeds, some losses on joints. Never changed shafts yet but i already changed everything else in drivetriain including gearbox over past 5 years. And it happens to me again even from Japan i got bad product rebuild. I was always happy from used OEM parts, all rebuilds are trash.Was planning to buy from England used shafts at the same price so will buy used.
  13. Yes i know this already, the ABS sensor rings are different. Too bad the seller from Japan posted the products online with correct sensor rings and sold me different ones. I really want this axles but i am affraid i will have to put a case on paypal then and send it back to him and get my money back. What else i can do? I heard these rings are not changable.... any ideas? I was thinking to take out mines and put on his axles..... I am waiting for his response regarding this issue what he can tell me about this.
  14. How about disconnecting ABS sensors? I read these are ABS sensor rings. I dont use ABS in my car for long time and the pump is out already, maybe i shoud take out the sensors from my wheels?
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