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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.

hey guys very new to this forum, i have a question and thought i would asked someone with proper knowledge. but, i was wondering if it would be legal to put an rb30 into a hr31 import (rb20det). would it be easily allowed by the registry office. thankyou for your help... James Richards

as advised in title. either a complete forged setup or parts to help forge a bottom end or standard block for cheap. has to be in reasonable condition. Located in NSW willing to pickup Looking into building a rb26/30

Hi all, Looking to finally part ways with my with beloved R31 Skyline. Car is a blue GX, 5 speed manual, has done 302,000 kms and is mod and accident free. I am looking for $2500 but I am flexible. It is in good condition mechanically, with a weeping injector, weeping diff seal and exhaust manifold leak the only problems I know of, none of which affect the drivability or hamper the long term reliability of the vehicle The body is straight but the paint is faded in a few places on the roof and boot. Shocks were replaced all round a year ago and the tyres have good tread on them. This comes with silo rims, not the horrid plastic covers on steel wheels the normal GX comes with. Interior is as can be expected for a car this age, but what I would consider minimal wear on the steering wheel and gear knob. Currently has JVC head unit with ipod cable feeding into the glove box, 2 x 6" JVC door speakers and 2 Hertz 6x9's in the back. I was planning on removing these prior to sale but they can be kept if required. The set up is great, not over the top but is more than sufficient. The car is only registered until May this year, so can be driven and tested until that time. It will not be sold with a roadworthy or reg, but I can arrange for a roadworthy inspection if requested. Other inspections are welcome. This would make a good p-platers car or a good base for a drifter. Car is located in Wantirna and I can be reached by PM or 0400 220 988, just not before 12 as I work nights. Cheers, Tony

Hi guys; looking for a r31 manual wags in SYDNEY! Can be in any condition exterior wise.. needs to be in good mechanical condition. Registered or at least with a pink slip / blue .. If you know anyone who has one, let them know! Thanks! Willis.

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 .?

hi guys up for sale is a n/a RB30 with the 5 speed manual box pulled out of a vl commodore. before the motor was pulled out it was running and had done 165000ks. pulled from car because it was a wreck after being hit up the ass. these engines have a very good bottom end and are a perfect base to work with if your after some big hp. open to any offers or enquires message me! need gone asap due to more space needed

Make: R32 GTST Model:93 Milage:170,000km Transmission:RB25DET 5 speed Colour:black Location:Brisbane Complied?Yes RWC supplied?Supplied on sale Currently registered?End of Feb 15 Price:$14,800 Contact: PM or mobile 0404002142 Comments / Modifications: Bought the car stock in March 2005 with 140,000km. After almost 10 years of ownership it is time to let it go as I just dont drive it much these days. With a growing family now priorities have changed and it is time for someone else to enjoy the car. Has only done 30,000km in the last 10 years. Pros ENGINE Built RB30DET Weisco forged pistons, shot-peened stock rods ARP rod bolts and head studs Cometic MLS 1.3mm head gasket (recently upgraded) RB25DET head Stock RB25 camshafts Adjustable Exhaust cam gear RB25DET Gearbox 6Boost high mount exhaust manifold GT35R with 1.06 Ex Housing Turbosmart 50mm Progate External Wastegate (plumbed back into exhaust) Plumb back BOV Greddy Intake Plenum Q45 Throttle body Walbro fuel pump 555cc Nismo injectors NPC button clutch Haltech E11v2 450rwhp on 20psi. SUSPENSION & BRAKES SAU Group Buy Suspension kit: Bilstein Shocks Whiteline springs Whiteline Camber and caster kits Whiteline front and rear sway bars R32 GTR front brakes Standard rear brakes OTHER JVC touch screen head unit 12in subwoofer Battery relocated to boot (Optima Dry cell battery) 18 x 8 Koyo wheels Brand new tyres eBoost 2 EBC FMIC 3in Exhaust Momo Steering wheel Dual Thermo Fans Central locking Mongoose M80G Alarm (installed last year) Cons The body is not perfect. It has the several dents and scratches consistent for its age. The front bar, bonnet, roof and boot lid were recently resprayed.

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

hey guys, I've been looking for a rb30 engine block for sale in Australia for the longest while. i live in Trinidad and Tobago, West Indies, and i'm interested in someone who is willing to ship one of these blocks for me for a decent price. I see blocks for sale for less then $300au. if i can get one for that price and someone is willing to ship it to me by sea freight? Just thought id as on this forum because i really really want a rb30 block. All my friends have rb20det, rb25det and even some rb26dett setups. I always am the different one and id like to get my hands on a RB30 block to do a RB30DER-T ( supercharger + turbo ) build. but so far my biggest problem is the RB30 block part. Any assistance or advice please?

Looking for a cheap R33 in Victoria. Willing to travel to get it. Motor does not need to be running. Must have turbo manual box. All parts must be there. Looking to spend around $2000 but can spend more, depending on the quality of the car. SMS me any time on 0404 409 722

RB30 forged H beam rods Looking for some spool rods or something, preferably not used. Before I just buy new.

Racepace built Nissan Stagea RS4 manual 300kw For Sale $17,500 I’m taking expressions of interest as i'm deciding if I should part out my car or sell as is. The Car: Modified 2000 Nissan Stagea RS4 WGNC34 manual (converted), personal vehicle owner of Racepace Motorsport. I have owned this vehicle since 2009, it has 220,000km on the chassis 51,000km on the engine. The chassis is straight, but is showing age with car park scratches, paint chips and worn interior parts, as well as other small annoyances like clunks behind door trims on big bumps, but generally in great condition for its age and presents well. I have since purchased another daily and need to decide what to do with this car. The Stagea drives well, handles quiet reasonably, has plenty of torque and has been super reliable for me. I have used on three occasions as a tow vehicle for the track GTR and it performs well. The engine bay looks standard enough to pass roadworthy and satisfy road side inspections. The car is making a reliable 290kw on 98 (stock piping is holding this back a little) and I have had it on E85 as a little test making 340kw at the wheels. Piping could be changed to increase the peak power output if desired, but this car was built for the torque and mid power and I wanted the bay to look stockish and see how far we could push the OEM manifold and piping etc. Plus I didn't want any extra attention if pulled over. Car is located in Ferntree Gully / Bayswater, VIC I have found it difficult to come up with an evaluation / sale price, as I appreciate the market value is low and will never reflect the price of the modifications. So my thoughts were to come up with a list of all the parts and come up with prices I think are reasonable on the second hand market as per below. I feel I would be happy to let the car go as is for $17,500, but if I can't get this, then it will be worthwhile to part it out. Here is a list of the modifications and my evaluation: Racepace built RB30/25 with neo head, built in 2009, this is built to our stage 1 package with forged pistons, RB30 OEM crank and rods, N1 oil pump, new thermostat, full head recondition, Racepace custom bearings, full balance, precision assembly etc, with sump adaptor, diff ratios are C34 auto 4.08:1 $7500 Racepace 3.5" exhaust with 3.5" CAT and two Racepace 3.5" mufflers and 3.5" dump / front pipe $2200 Garret GT35 ball bearing with smaller FG XR6 compressor wheel, 0.82A/R internally gated turbine housing and 14PSI actuator $850 Shockworks custom coilovers (we have tried multiple valving codes and spring rates to get the ride optimal) $1200 Wheels and Tyres - 18" Enkei RPF1 with ATR sport tyres $1500 Brembo F40 330mm two piece front brake kit $1700 Blitz Intercooler kit (stagea version) $250 NIStune RS4 ECU $200 Rescaled stock pink 3pin AFM to Z32 Scale $200 R35 GTR fuel injectors $150 Split fire NEO coils $400 3+ tonne tow bar with hayman-reece hitch $450 Nismo rear GT LSD - 2 way (modified by Racepace to be acceptable on the street - softened off) $850 Registrable and complied Manual Rolling shell $2500 with: GTR 5 speed, Racepace transfer case modification Walbro 255 fuel pump + relay setup Nismo clear side indicators Mongoose M80 alarm Sony MP3 / ipod head unit, alpine amp Hardrace rubber rear camber arms (plus more) Total estimated parts valuation: $19,950+

RB26 complete head I'm after a RB26 or RB25 head that has been modified and ready to bolt onto a serious setup. I have a rb30 bottom end waiting but if you have a complete 26/30 you want to sell I might just take the lot but will need to be something good. Have money ready to go and please don't send me junk as I'm genuinely looking and have money ready.

Best mods for a rb25de Hey guys, i just bought a r34 gt and i need more power, i want to make around the 170-180kw mark. i don't know what to do first. i can't turbo the car but still want to make some decent power. what should i do. let me know the car has already got a shitty cat back exhaust on it. any other suggestions would be greatly appreciated.

R31 VL Turbo RB30 turbo bits Let me know what you have thanks!

WTB RB30 long/short block Hello everyone, I'm currently in the market for an RB30 short or long block. modified or stock. Series 2 or an A8 preferred but not a must. Paypal ready. My only problem is I live overseas and would need to have it shipped to a freight forwarder (at my expense of course) Let me know what you guys got. Regards, Joe R

RARE 1993 ECR32 GTS25 Coupe $19,500 including 12 months rego I've owned this car for 7 years and the majority of that time it has been parked in my garage, slowly being built up to what it is today. I never thought there would come a day that I'd sell it although circumstances change, and she's up for sale. The new engine and most of the parts listed here have 2500km's on them, The engine has been run in and that's about it. This is a classic case of my loss is your gain. I've put everything into this car now all you need to do is turn the key. Still running a very basic tune making 240kw @9psi and 290kw @16psi. It is setup with circuit/ drift in mind and is definitely a track car. There is nothing nice nor comfortable about it although it is road registered. The roll cage is engineered and it is registered as a 2 seater. If you are looking for something that looks pretty you're in the wrong place. This car would look more comfortable in a demolition derby than in a showroom. Don't let the photos fool you it is scratched and dinged up. The front bumber is cable tied on and there is some good dents in the rear quarter, it's not pretty. Absolutely no body filler though it's all original, what you see is what you get. No rust and has spent all 7 years of my ownership indoors parked in a garage out of the weather. Don't call me and tell me you can buy a GTR for this money. Go and buy a GTR there's plenty for sale. You will not find another gts25 coupe with a setup like this in Australia. It's definitely not your average HR32 gtst. Over $20k in receipts. Feel free to give me a call with any questions. No test drives without deposit. 1993 ECR32 Skyline Coupe Engine - Original RB25DE Head Ported and Polished - RB30E Series 2 Block Bored, Honed & Decked - Nitto/JE .40 thou Oversized Forged Pistons - Forged H Beam+ Conrods - Nitto Crank Colla - King Bearings - Supertech Valve Springs & Titanium Retainers - ARP Head Studs - ARP Metal Head Gasket - ATI 750hp Super Damper - Nitto Oil Pump - High Capacity 6.5L Gated Sump - RB26 Cams - SPOOL Adjustable Cam Gears - HKS Cast Iron Exhaust Manifold (port matched) - HKS 50mm External Wastegate + 45mm Screamer - Garret GT35r Turbo with .5 Comp Housing - 3.5” Front Pipe - Aluminium Intake Manifold (port matched) - 850cc Injectors - Splitfire Coilpacks - RB26DETT Apexi Power FC Accessories - 19 Row Just Jap Oil Cooler - Power Steering Cooler - Custom Catch Can Baffled - Double Core 52mm Radiator - Twin 10” Thermo Fans - Aluminium 600x300 Intercooler - Tial QR 50mm Blow off Valve with Return - Custom Aluminium Intercooler Piping 2.5” - GReddy Profec B Spec 2 Boost Controller - Bosch 044 Fuel Pump - Z32 AFM - Lewis Engines Rear Head Drain to Sump *No A/C pump, lines or condenser* *No hicas bar, lines, pumps* Justjap Hicas Lock Bar, GTR Power Steering Pump Drive-train - RB25DET Gear Box - Short Shift Kit - NPC Carbotic Button Clutch - NPC Lightened Billet Flywheel - Nismo 2 Way LSD Wheels & Suspension - Rota D2EX 18x9.5 +15, 18x10 et15 - HSD HR Coilovers with 6-8kg springs - D-project top front camber arms - 5 Stud conversion - GTST Cross Members - GTST Steering rack - GTST caliper/rotor conversion front and rear - 325mm Rotors with GKTech dogbones - Front and rear Cusco strut braces - Rear KKR adjustable camber arms - Hardrace Castor Arms - Hardrace Adjustable Lower Control Arms - GTR Sway Bars Body Work & Paint - GTR carbon fibre bonnet - GTR Copy fibreglass front bar - GTR grill - GTR pods - GTR side skirts - GTR rear wing - GTR headlights - Guards pumped, flared and bashed into shape Interior - Velo Fixed bucket seats - Bride S13 super low rails - Andra 4 point half cage Engineered - 3 autometer gauges in centre air vent - Boost Guage drivers side air vent - Nardi Steering Wheel - Drift quick release + boss kit - RPM 4 point harness - Drift carbon gear knob - Apexi Power FC Hand Controller - GReddy Profec

Hi guys i posted up a thread about trying to find an importer/exporter to get one fo these over to the uk but its actually easier for me to just sort out all the shipping myself, so im now just looking for somebody with a series 2 rb30e engine or block needs to be in good condition, well only the crank needs to be good as forged pistons and rods will be going in. All id need from the person is them to strap it down to a pallet for me and drain the oil and water out if its a complete engine thanks Mike

Hello, I am looking for RB30 short block, my block got damaged and need a new set. I would like to buy from 1 -4 blocks. please let me know what you have. I would also like to have series 2 but doesn't have to be. thanks in advance

Hey again. So I currently have a standard RB30 fan and it is crazy loud. I've heard that the design of the RB25 fan is superior and runs a lot quieter. I am just wondering if the RB25 fan and fan clutch will bolt right up and fit without modification at all?

Hey guys just joined, been using the page for awhile very helpful thanks. As title states unsure if power figures are low or normal/expected. I've had my head rebuilt (will post Pic of cam specs) camtech cam, 1mm oversized stainless steel valves, Port & polished, new lifters, cracked tested, match ported manifold etc. Stock bottom end Bolted everything together took it in for a nistune and dyno tune, had a few minor issues. He finished the tune ended up with 108kW and around 240nm. Just thought it would produce more kW with the head work. Mods: rebuilt head, match ported manifold, 6-3-1 extractors 2.25inch straight though, believe hifow cat, nistune, k&n podfilter Thank you

looking for an rb30 to add a rb26 head too for a swap. issue is that im located in hawaii and would pay for the shipping if anyone would be willing or if anyone has a used rb30det thats already swapped or built and getting rid of it please feel free to contact me.

so basically im looking to build a 30de engine i want to go high comp na for whatever reasons that dont really matter at this point haha 1 point left cant drive turbo blah blah blah all the usual shit THE BLOCK what i want to build consists of a 30e block, crank and rods, 25de pistons shave the block 1mm to get the pistons up a bit because they sit 1mm further down the 30e pistons. THE HEAD this will be a det neo head with re lapped valves stock springs. either 250ish degree regrinds or 260 degree poncam drop ins with an adjustable exhaust cam gear and stock intake stuff to keep variable timing. im going to just skim the head this should bring the compression to somewhere around 12:1. im going to grub screw the oil gallerie in the block and run a head oil drain kit. im going to drill and tap an oil gallery in the side of the block to run a hard line up to the vct stuff pics below. and ill be porting the head myself a decent amount but i wont be going crazy. i need advice on what i should do for the intake manifold. do i a lave the stock neo intake manifold on to get the engine in and work out any bugs. B use a neo freddy plenum. or C relocate the vct solenoid and go to rb26 itbs using an adapter plate and some ram tubes on the itbs of some sort. the other thing i need to know is exactly where to put the stud for the new tensioner for the timing belt and if it differs from the standard r33 25det head conversion.. my final goal is as close to 160kw as possible on e85 and im going to be revving it as high as it wants to make power. i was thinking cap the revs at 7500 cause i reckon it will drop off before then anyway. anyone got any tips or advice on things i should change or shit i just completely overlooked. anything really cause this is all theory in my head based off other builds

Hello, I would like to buy rb30 s2 bottom end. I'm writing from Finland. I inquired about the engine of the following companies: Carpart, Ford and Holden Parts, Ozwreck, Holdent. Relevant certainly also affected by that I am from Finland, but I have tentatively arranged for sea transport. Does anybody have any spare stock for that engine? I can also suggest places to inquire about. I apologize for my bad English.