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Hey guys just wired in a 25 into my r31 the car runs and starts fine but am having trouble understanding how to wire up the vct/o2 my understanding is they are powered off the same wire, I’ve read elsewhere that one wire for the vct goes to ign 12v and the other to ecu pin113, hoping some can shed some light for me as there are only 2 conversion guides I can find but one is just a alteration of the other and isn’t any clearer to me, cheers

Hey all. I know there is a plethora of information about Hypergear turbos on these threads, with Tao providing a heap of Dyno results. I was looking at Hypergear's ATR45-SAT (Special application turbocharger) as it will directly bolt on to my existing setup, with some basic fabrication/relocation of some intake piping, and will suffice for my 300-350rwkw power figure I am after with my current setup for street use. Only thing is he doesnt provide any specs from what I can see on the size of the housings, or any sizings of inlets/outlets, which I thought would be basic information you would provide there for your customers to see when deciding to choose your product, like other turbo sellers do. Has anyone got some of their own feedback and dyno results on that specific turbo? Was also looking at Kinugawa turbos that were a direct bolt on, and had heard good things about them, I dont think theyre as popular as they used to be, but has anyone had one recently theyve purchased and used? Any other recommendations with reasoning as to why they went with it?

Hey guys. So my bottom end has a potential issue, engine comes out to drop the sump later this week to see exactly what, has a bit of a knock on cold start up that goes away. My heads were recently done due to a found exhaust valve leak, so upgraded springs and retainers, and upgraded drop in cams while it was out. Heads went back on and we found the bottom end was knocking at high RPM (not very loud as was heard through the knock box and ear muffs) when they were doing a dyno run with the new head on. Car hasnt been started up again since I have the option to purchase a freshly machined and honed RB25DET block, with a R34 GTR RB26 Crank, Nitto rods, nitto oil pump, new head studs, main studs, new main bearings for $3500, will need to get my own pistons though as he used the pistons for his RB25/30 build he ended up doing instead, and has had the built block sitting for a while and wants to clear it out. Block had only been assembled for test fitment of everything, then pulled apart so he could use the Nitto Pistons he had in his RB30 build OR Get my current RB25DET Neo bottom end fixed up, possible machining, new bearings, new rings, etc etc. Wasnt looking to do forged internals but could go down that track Was looking to make 300-350 rwkw for now, maybe 400rwkw, as I do have all supporting mods already outside the engine to go to that power (besides the turbo but will upgrade that while im at it) Will i see much of a difference using the RB26 internals? I know the crank has a longer stroke, what advantages will I see and is it worth just getting the almost-ready-to-drop-in bottom end and going with that, or freshening up my stock Neo bottom end? thanks in advance

Hey guys, I'm back with another tutorial that I made (thanks to isolation). This is on a how to swap the RB25 bottom end to a RB30 bottom end with a 25 head in a R34 (R33s and R32 should be kinda similar i think) that I did last year. I had to split the tutorial into 3 parts (each part is like 15mins). It starts with preping the RB30 block, to taking out the RB25, and then putting in the RB30/25 and starting it. The reason why I did an RB30 swap was not because of an upgrade but because my RB25 was showing up bad results on the comp tests and there were cheap RB30s going around (I actually made money out of selling parts from the RB30 that I didn't need lol). The goal for this car is only to be a daily responsive streeter on pump fuel (won't ever take it to the track). It's my first time ever doing something like this (I had no help, did this on my own), so take it as a guide line. If I were to do this again, I would definitely use a proper engine crane and take the whole engine out including the gearbox next time, but yeah... this was a real poor mans job and it got the job done and I've been driving this RB30/25DET Neo everyday to and from work as my daily and I've never had a problem with it (have been clocking 5000+ Kms on it as of 10/4/2020). Here's the videos: Part 1: Part 2: Part 3: I'm really happy with the outcome. Considering I knew nothing about RBs or any engine before I bought this R34. I learnt everything from researching (a shit load) on these forums, so thanks SAU, here's me giving back. The car ended up making 323.8 HP on the dyno with my OP6 highflow turbo which is a bit too small for this engine. So I will go with a bigger one in the near future. List of mods on my car previously that I brought over to the RB30 swap: HyperGear G2 RB25DET OP6 highflow turbo with ballbearing 3" turbo back exhaust 100mm thick FMIC Splitfire coil packs Xspurt 525cc injectors HDI EBC Nistune ECU Z32 AFM Walbro 255lph fuel pump (hard wire mod) 98RON Exedy HD clutch External oil cooler Koyorad all aluminum radiator Just something to add here on the side if anyone was interested (kinda like a build page, but I might as well put it here). This was my whole budget explained: So the total amount that I spent on this build/recon/swap was $3415. I bought a complete RB30 engine (without the box) for $150. Apparently this engine was used in a TAFE course for mechanic students to practise timing stuff on, so the pisons had heaps of screw driver marks on. A recon was in the picture anyways because I want this engine to last for ages. So I only wanted to keep the block, crank and rods. I sold everything els (head, alternator, ecu ect) for $240. That's already a profit of $90 lol! The reconditioning of the RB30 block and RB25 head was the most expensive out of the whole budget costing $1420. The recon from Harris Engines in Perth: $400 - Bore and torque plate hone $190 - Face block $180 - Machine and fit crank collar $90 - Acid bath $90 - Face/deck RB25 head $50 - Acid bath head $90 - Face flywheel $150 - Fitment of pistons to rods $180 - Balance rotating assembly All other things: $270 - 1mm oversized Hypatec RB30ET set of pistons + Hastings Rings $253.45 - RB25 ARP Head stud kit (202-4301) from wolf racing $261.25 - RB25DET Neo genuine nissan gasket kit $106.49 - RB30 ACL race main STD bearing set $88 - RB30 ACL race conrod STD bearing set $30 - RB30 small end rod bushes/bearing set $99 - RB crank collar from Lewis Engines $38.75 - RB oil restrictors (one 1.5mm and one blank one) $38 - RB30 brass welsh plugs $13.71 - RB spigot bush $38.98 - RB genuine nissan timing belt fastner kit $41.5 - genuine nissan thermostat $78.14 - Genuine nissan R34 pull type thrust bearing $110.5 - Genuine nissan RB25 exhaust manifold fastner kit $43.2 - Dayco 94407 (T866) timing belt $72.11 - Mamba RB30/25 turbo water braided line kit $81.59 - Braided -4AN hose + fittings for the external VTC feed from Enzed $330 - Dyno tuned car by C-Red in Perth All of the labour except for the recon and tuning was done by me.

Hello wondering if someone could tell me if a 38mm external wastegate would be adequate for a 25det running a psr 3076 .82 only looking for around the 300kw mark (or there abouts). My top mount has a 2bolt flange for the wastegate and as far as I can see anything over 38mm is v-band, if possible I’d like to not have to modify the manifold, thanks in advance sorry if this has been asked but I could not find any threads about it.

Hey guys I have a r31 that I’m converting to a rb25 I have put a ffp on and the cable I got with the motor is miles to long, just wondering if there is a shorter cable out there I can buy, cheers 🙂

hi there i got a HR34 and it stop start i dont know why when i try to start the car it crunk but did not start and when i stop crucking it i get a sound from the trriger ( 3 or 4 tiking sound ) with a engine flashing i change everything and look at the timming for the engine every thing ok i got a haltech plug in ecu this a video for what happening

Hi people I’ve got an rb25det neo. Oil pump has been reconditioned. I’m getting consistent oil pressure, however, it’s quite low. At 80•c at idle it’s about 0.8bar and highest it ever gets at 7k rpm is at 3.2bar. 15w50 fully synthetic. I have an aftermarket sensor that is running to the maxxecu. My question is, is my sensor in the correct place? It doubles up at a temp sensor. If I wanted to check it with a mechanical guage, where would I plug it in?

Hi Guys, The time has come to move on from this project and onto the next one. This is a heavily modified example of a 1993 Nissan 180SX with over 100k spent on the build. Detailed mods list is below as are photo's of how it currently sits. Car was featured in Fast Fours when it had the previous motor setup in it. BODY (over 30k spent on fab work alone which was all carried out by Roadrunner fabrications) 1993 Nissan 180SX Custom wheel tubs (suit the lines of the bay alot better then trailer guards) Rear guards cut higher to fit bigger wheels and metal flare to protect wide body Custom gearbox tunnel to give plenty of clearance to the RB25 gearbox allowing for easy removal of box Custom raised floor section for exhaust from firewall back allowing the dump pipe to tuck up above the chassis rail Custom removable front end rad support Completely seam welded front to rear CAMS spec weld in full cage cage goes through fire wall to strut towers aswell All holes in firewall welded up and smoothed over Genuine BN Blister full kit including front and rear guards (over 3.5k for the kit alone) Fiberglass vented bonnet Type x tail lights and cente panel Custom fixed headlight setup Custom cover over spare tyre well sealing fuel system off from the cabin Custom bash bar in place of front reo All sound deadening removed front to rear New windscreen (replaced after cage was done) Tinted windows Freshly resprayed gloss black outside and green inside ENGINE S15 SR20DET Tomei Easycams 256/264 10.5mm Tomei Rocker Arm Stoppers Custom rocker cover with twin -10 breathers Engine tested with even 160psi comp accross all 4 cylinders and 2% or less leakage per cylinder before going in TD06-20g 8cm rear with allow elbow welded on BRAE Steam pipe manifold Precision 46mm wastegate with screamer pipe Custom 3.5" exhaust tucked up as high as possible into twin 3.5" stainless tips. Has a removable muffler at the rear and is currently running as a straight through exhaust. Speedflow fittings and teflon lines used throughout DRIVETRAIN RB25DET box with New PAR 1-3 straight cut gears, billet input and output shaft, new genuine Nissan syncros, bearings, forks (rebuilt less then 100km ago) Custom bell housing to bolt the rb25 gearbox to the motor Exedy single plate clutch (less then 100km on it) Custom 2 piece tail shaft to suit RB25 box Custom shifter to suit gearbox position Custom gearbox mount R32 gtr rear end including diff, driveshafts and hubs R32 gtr diff rebuilt less then 100km ago with additional nismo clutch plates making it a full 2 way mechanical diff R32 gtr driveshafts rebuilt less than 100km ago FUEL SYSTEM Bosch ID1000 1000cc injectors (less than 100km old) 2x Bosch 044 pumps 600hp Denso feed pump Custom 4L surge tank Pumps and surge tank custom built into spare tyre well and custom cover completely seals them off from the cabin BPP Billet fuel rail kit which allows you to swap to top feed injectors whilst retaining factory plenum (to keep mid range torque) Turbosmart FPR-2000 Fuel pressure regulator Twin -6 alloy feed lines with a -8 return (no factory lines used and have been removed) Speedflow fittings and teflon lines used throughout ENGINE MANAGMENT/IGNITION Vipec V44 ECU M&W Pro 16 CDI 6x Bosch coils (only 4 are used 2 are spares) Custom top gun leads SUSPENSION/BRAKES Driftworks CS2 coil overs Driftworks adjustable traction, camber and toe arms in the rear Driftworks adjustable castor rods in the front Driftworks adjustable lower control arms front and rear Driftworks front and rear knuckles (50mm roll centre correction, improved geometry and more lock) Driftworks solid cradle bushes and diff bushes Cusco adjustable tension rod brace Modified s15 rear cradle (30mm increased track over s13 cradle and improved rear gemometry) Tien tie rods and tie rod ends Driftworks offset steering rack spacers Reconditioned S14 steering rack New rack bushes R32 GTR front calipers with Ferodo ds2500 pads and slotted rotors Freshly rebuilt S15 rear calipers with Ferodo ds2500 pads and new rotors Custom Hydraulic hand brake Custom modified pedal box with adjustable front & rear bias (no booster) WHEELS/TYRES Weds Kranze LXZ 18x9.5 -16 Mid disk front, 18x11 -15 Lo disk rear Have 8 of these in total, 6 rears (all 18x11 -15 Lo disk) and 2 fronts. 2 of the rears are brand new, 2 have been used for 1 track day and the other 2 are as old as the fronts. Brand new Achilles ATR 265/35/18 rear Falken FK452 225/35/18 front (less than 50km old) INTERIOR/ELECTRONICS S15 dash S15 cluster Custom carbon fibre switch panel which contains all switches for the car including lights, indicators, window switches etc Carbon fibre door seals Saber 60mm water temp, oil temp, fuel pressure and oil pressure gauges with warnings and recall Turbosmart eBoost 2 AEM Wideband o2 gauge with sensor mounted in dump pipe Sparco Evo 2 fixed back drivers seat solid mounted to the floor Takata 4 point harness Vertex 330mm steering wheel (would like to keep this) with quick release boss kit Car has been completely rewired front to rear with no factory wiring reused. All wiring has been tucked and very little of it is visible. Battery mounted in battery box behind where passenger seat would be ENGINE ACCESSORIES/COOLING Custom 5L oil catch can with external drain Custom coolant overflow Custom power steering reservoir Saber 42mm radiator modified to allow 2 16" thermos to mount to the front of it Saber intercooler with modified end tanks flipped upside down and custom mounted just in front of radiator allowing for short intercooler piping Custom intercooler piping designed to be as short as possible Saber 17 row cooler PWR 12 row power steer cooler All the lines throughout the car are braided teflon and silicon vacum lines with speedflow fittings (over 5.5k spent on fittings and lines alone) PHOTOS And an old one with the previous seats in it to show the cage better Car is currently tuned for reliability making 270rwkw on 20 psi and is tuned on E85. The car is complied with no accident history and was registered until rego ran out. It can be registered again if you wish to with a blue slip. No corners have been cut on this build and everything is overkill for the power it is making which has been designed that way so it is as reliable as possible. I am after 36k which includes all 8 rims and a 2 year old 15 foot beaver tail trailer which the car gets onto at this height. Can sell without rims or trailer if need be. Will only swap for an R34 gtr with necessary cash adjustment. Best to contact me on 0403858714 and serious buyers only please. Located in Rouse Hill, NSW, 2155. Plates only for display purposes and are not included. Thanks, Brett

anyone have any RB20/25 extractors sitting around?

For sale: reliable turn key drift/street car. R32 reg till April. 25det freshened up all new gaskets including 3 layer metal cometic head gasket. Freshly recod 25 box work all carried out at forced motorworx. Custom 1 piece tail shaft (professianly made) brand new excedy 5 puk heavy heavy heavy duty clutch with fresh machined fly wheel. Front mount hybrid cooler. weldy, good condition hsd coilovers all round. Gtr front brakes. Jdi street knuckles with 33 lcas. Fenix 52mm rad. Jdi extended rear arms to correct camber/toe. Full interior, Cams bolt in half cage. 17x9 +5 work stitch i think up front with new n6000s, work rezak rears 18x10 +24 with 25mm metal flared guards. Gtr copy fibre glass bar (cracked) type m skirts car is satin black (2pac not rattle canned) standard turbo, standard boost. Brand new oem coil packs. Brand new alt and power steering belts. Have a bunch of spares like arms and panels that can go with it. Selling because im geniually just over it and want a 4wd. Have spent a fair bit getting all driveline freshened up for reliability. Bad points: dump pipe is welded to turbo i have a stainless split dump to go with the car and i can organise another turbo.the bracket for the top pipe of the cooler piping snapped so its zip tied up. Can organise roady if need be. 8k or 7k no wheels. 0430505810. Can send photos via text

hey guys, this is my first post here. im trying to finding a rb25 neo idle speed control solenoid spring or even the whole solenoid around brisbane/gold coast. willing to travel a little bit

Hi guys, My drift car got stolen from my house on the 21/12/13 in Butler. In between the hours of 3pm and 5pm. Its on my trailer and if you hear anything or spot it anywhere please please contact me. My number is 0435 046 564 It was last spotted on Camberwell Rd in BALGA Please share this post. Thanks guys, Please see photos

Hi guys, I'm after a 34GT-T Neo intake camshaft, also the VCT gear and bolt if possible. And also the solenoid. Brisbane area prefered. Contact via pm. Cheers, Sean

Chasing a complete rb25det neo with loom and ecu. Must be in perfect condition, low k's and not messed with. Brisbane area preferred. I will not buy an engine interstate without viewing it and fully testing it myself. 0433559722. .

Spring is here in canada. Take a look at 2012!

As stated, looking for an RB25 gear shifter. Happy to pay postage etc etc Thanks

Title says it all, anyone got one in good condition? Message me 0431143031 Pref located in Brisbane/Gold Coast/Sunny Coast/etc

Please no swaps $10,000 needs a new home For sale is my91 series 2 Nissan Cefiro with 5 speed manual with rego till 09-04-2013 , road worthy certificate and Modplates for all modification one of the cleanest cefiro's around inside and out very well looked after It has an rb25det conversion Walbro fuel pump full turbo back 3inch exhaust, remote oil filter and oil cooler alloy radiator front and rear 5 stud conversion r34 gt-t brakes r32 rear brakes DBA T3 club spec rotors QFM a1rm Brake pads Tien Flex Coilovers Whiteline swaybars front and rear series 1 dark interior nardi classic steering wheel S15 drivers seat eclipse cd player Full passenger capacity rollcage- modplated autech front lip B&N side skirts autech copy rear bar dark weather shields Roof spoiler up spec vented front grill Blitz techospeed 3 piece wheels 18x 9 +22 custom flared wheel arches resprayed in ford ego gunmetal grey about an year ago HAS COLD AIR-CON, NEEDS A NEW HOME RWC HAS RUN OUT DUE TO NOT BEING SOLD IN THE TIME I GOT BUT FOR SERIOUS BUYERS WILL ARRAGE ANOTHER ONE Please no swaps i work between 8.30am and 6.30pm so text me as i cant really take calls then. or you can call between 6.30pm and 9.00pm or anytime on the weekend Aaron 0404043119 LOCATED IN QLD 4565 NOOSA

Nissan Stagea RS-Four Dayz Meticulously cared for by Mechanic owner, All repairs/modifications using Genuine or better parts, Work VS-SD 18x9.5 +22 with near new tyres all round. Wheels new when fitted, Splitfire coilpacks, 20k old - All connectors replaced, Double DIN DVD player, speakers replaced, BC BR Pillow ball coilovers, Brake conversion consisting of; Skyline 4 piston front, 2 piston rear calipers, Rebuilt and stainless steel sleeved, Slotted rotors front and rear, 300ZX Master cylinder, Rebuilt and stainless steel sleeved, Braided brake hoses, replicating factory hoses, WinMax W3 front and rear brake pads, High flow cat convertor, Car is not perfect, and does require some work. I'm chasing $7k as it sits, and can provide all information regarding what work is required, including prices. If interested parties require rego/RWC, price can be agreed on and work carried out before sale. Vehicle will go on a 4WD dyno for a power run and check over, and receive a full detail before sale. I have owned the car for 60k, and in my time I have replaced the following; Timing belt, tensioners and pulleys, seals, water pump and drive belts, Turbocharger gaskets, fasteners and seals (Genuine), Cam cover breather hoses (Genuine), Power steering hoses (Genuine), Battery (still under warranty), All fluids replaced on a regular basis (except Auto/ATTESA fluids), All filters/plugs etc. replaced as required (Genuine), Will have New CV boots when sold. I am the second Australian owner, Current insurance value at $10,900. If vehicle is sold unrego'd, I can assist to get it somewhere local, or we can organize transport after vehicle is paid for in full. Please contact me via email - [email protected], I will give out my phone number to interested parties. Jason

Hi, As topic states, I'm in need of a used front mount intercooler kit to suit rb20 / rb25. can be a cheap china hybrid style one. I don't care, as long as it doesn't leak or is too badly damaged. I'll also accept just the pipe kit as I have a core sitting around. It's going on my r32 gtst drifter, so the cheaper the better! Pick up sydney or will pay for post

ok everybody I have searched for this with no luck, ( please excuse my poor spelling and grammar ) My r32 is a bit of a Frankenstein motor. History of the car Rb30 built bottom end Rb25 de head cams and flowed T67 In a r32 4 door shell, running autronic sm4 Makes about 525 hp So my problem began when I noticed a slight miss on cold mornings. Cleaned the icv with help of the guide , all sweet for about a day . It started to hunting after it got warm wouldn't hold idle . So made sure it was all back together correct replaced hoses to icv Ran all sweet , lasted for about a day . Started to miss again Changed the plugs they were terrible. Ran sweet for about an hour started missing again. Replaced colpacks with spitfires Car still missing a idle , heaps of black smoke while idling , hunting a lot Removed the new plugs , noticed they were wet with fuel Plugs are gapped to .9 brand new ngk. Just about out of ideas as to what it could be ? Any suggestions .?

Looking to buy rb30/25 setup stock or worked, or a worked head to suit rb25neo. Car is due for it's major, so i thought why not just do it properly xD any advice will be great as i am quite useless with what will work engine-wise. Cheers

For sale is my 1991 Nissan A31 Cefiro. Series 2 RB25DET conversion, Serviced every 5000km's with Penrite 10Tenths Fully synthetic 15w50 Racing Oil, 3 inch full turbo back exhaust, Hi-flow cat, Manual RB20 gearbox, 5 stud conversion front and rear, R34 GT-T front brakes and R32 rear brakes, DBA slotted rotors front and rear, Tein coilovers, Whiteline swaybars front and rear, alloy radiator, Walbro fuel pump, Yellow Jacket coilpacks (fitted may 2014), Remote oil filter and oil cooler, battery has been replaced to a 600cca also. Interior: Dark interior, Manual dash cluster, manual centre console plastics, S15 drivers seat, full passenger capacity rollcage (modplated), Nardi Classic steering wheel, dash mat, cold air con, Cefiro floor mats, Boot interior complete. Exterior: Autech Front Lip, Series 3 Chrome Grill, B&N side skirts, Autech copy rear bar, Dark slimline weathershields, Blitz Type 03 2 piece 18x9 +22 rims all round, Federal 595 ss tyres all round done approx 5000k's, Custom flared wheel arches, DMAX Roof spoiler, Dark series 3 tailights (currently has dark and red as drivers side dark has a crack), has been resprayed in Ford Ego Gunmetal Grey, CEF111 personalised number plates (can be sold with/without plates) All major modifications are mod plated and were done by previous owner as this cefiro was originally a non-turbo, auto, 4 stud. Motor has done about 150000 k's. This is one of the cleanest Cefiro's I have seen inside and out, very well looked after and maintained. Since owning this vehice I have done the usual services (oil, oil filter, spark plugs, air filter, fuel filter) fitted the rear DBA slotted rotors as well as the rear Bendix brake pads and fitted the rims with Federal 595ss (done approx 5000k). I have also purchased high flow cat, all new inlet to rocker cover, rocker cover to rocker cover and rocker cover to exhaust hoses from nissan as the old ones were rock hard. April this year I have replaced all inlet gaskets as well as getting the fuel rail cleaned, injectors fitted with new pintle caps as well as new orings to the inlet where the injectors sit, new top radiator hose with fresh coolant as well as new thermostat and rocker cover gaskets. May this year have just fitted new Yellow Jacket coil packs ($410) as my old stock ones were buggered. Selling my car due to our family going back to one so mine is on the firing line. Car has always been reliable (my family car) so I hope the next owner will love it as much as I do. Can sell with roadworthy or you can get your own whichever works/easier. Cash talks, not interested in swaps of any kind. I travel to caboolture once a fortnight for anyone who doesn't want to travel to Gympie to view the car. $11500 ono. Rego due 12/10/2014. Thanks, Kailea 0407939624 [email protected]

Hi, Looking for a exhaust manifold preferably a 6 Boost as some are 25/26 compatible, but am open to other makes Must be: High mount Steam Pipe T3 flange Other Preferences: Single or Dual gate i don't mind. Prefer Twin Scroll Josh 0420971976 Sydney (would like pickup as i could inspect but am happy to pay postage)