Rb25 Torque Specs, RB25DET cam cap torque spec, and how to wire z32 maf Post by ANVIL » Tue May 04, 2010 6:47 pm so in what little free time i have, im actually attempting to get my car running again, i swapped out my cam for one with a cam key but just need the tq spec for the cam caps. Such Re: RB25DET Transmission to Engine Bolt Torque Spec Post by gawdzilla » Mon Aug 05, 2013 7:40 am ^that's probably a little too tight depending how strong you are it's not as tight as you might think. Top Joe Posts: 6511 Joined: Sun Feb 09, 2003 8:29 pm Location: Phoenix, AZ Hi all. thanks you! Re: RB25DET torque specs for the connecting rod!!!!!! please Post by Darius » Wed Apr 06, 2011 12:58 pm It depends entirely on the fasteners you are using, that's why you've seen so many different numbers. Which oil is recommended to use, its performance upgrades, tuning, mods and more. A comprehensive tuning guide for the Nissan RB25 engine, including turbo upgrades, weakspots and recommendations of parts required at common power figures. Oct 7, 2008 · This gets asked a lot, so here they are according to Nissan workshop manuals: Rb26: Balancer Bolt - 446-466nm (ouch!) Flywheel Bolt - 124-152nm Clutch Bolt - 34-44nm Rb25: Balancer Bolt - 142-152 Flywheel Bolt - 124-152nm Clutch Bolt - 34-44nm Nissan RB25DET engine specs (RB25DE), problems and the ways of fixing. thanks guys Hi SAU, I've been trying to find the torque specs and sequence for R34 25GT-t head bolts. 6 ft-lb Timing Belt Tensioner – 32-43 ft-lb (nut-conical washer-washer) Idler Pulley – 32-43 ft-lb Head bolts – 22 ft-lb, then 80 ft-lb, loosen all bolts, 22 ft-lb, then 76-83 ft-lb M6x1. If you are using the factory cap bolts again, follow the FSM torque spec. if the spec on the bolts is angle, use angle. Are they the same as the RB26? Mar 1, 2006 · Need torque specs for a rb25 s2 if it matters. Link to engine manual on my facebook page https://www Approx. Explore the Nissan RB25DET engine specs, configuration, oil requirements, and essential service intervals for optimal performance. anyways i tore it apart and sent it into the shop and dont know when i'll get it back. Torque specifications and cautions are noted throughout. Oh is there a arp stud kit that is avalible for these caps. We cover turbos and fuelling and weakspots in the RB26. Discover the specifications, reliability, and common problems of the Nissan RB25DET – 2. The RB25 is most well-known for being installed in the Nissan Skylines R33 and R34 GTS-T. Apr 18, 2022 · In this article, we’ll go over specs, reliability, and swap info for the RB25DET engine. 0 L straight-6 four-stroke gasoline engine from Nissan produced from 1985 to 2004. torque spec for RB25 clutch 1 reading Jump to Latest 19K views 1 reply 1 participant last post by 240z4u May 13, 2005 Then, work on the bottom end of the RB25DET brought in new pistons, stronger connecting rods, and most importantly, a 45V1 turbocharger. 5 i need the torque specs for a rb25det asap! having some trouble finding. All Z-Tune Skylines were rebuilt at the Omori Factory. I just wanted to know the torque spec for the rb25det Nvcs cam gear (one bolt) I cant find anywhere. i bought the arp main studs if anyone knows i would really appreciate it. 0 Head Bolt – 4. 1 ft-lb Anyone have the stock RB25DET torque specs on the stock flywheel? I cant find them in my English version of the R34 GTT FSM. Does anyone know what the torque setting is for a rb25det , I wanna re-gap my plugs but need to know this first . Anyone know these numbers?? Ta Chris. Apr 27, 2025 · Explore the Nissan RB25 engine's specs, configuration, and essential maintenance tips for optimal performance and longevity. 5-liter Nissan RB25DE engine was produced from 1991 to 2002 at a Japanese plant and was installed on such popular models as Skyline, Cefiro, Laurel, and Stage. If the spec on the bolts is torque, use torque. RB25DET s1 RB26DETT Torque Specs Goodezilla March 2, 2017 2 RB26 Torque Specs Crank Bolt – 329-344 ft-lb Timing belt cover – 2. I'm back on my project and that's one of the things that I need to figure out. In factory condition, the RB25DET S1 produces a solid 250 HP and 235 lb-ft of torque. Characteristics of camshafts on these engines: phase 240/232, rise 7. engine is rb25det. Nissan RB25DET Engine Maintenance If you’re a proud owner of a Nissan Skyline, chances are you’re already familiar with the iconic RB25DET engine. Upgrade your Nissan RB25 and RB30 engines with the new Spool custom ARP 2000 Harmonic Balancer Bolt. Top nissans13240sx Posts: 2131 Joined: Wed Mar 01, 2006 12:00 pm Car: 90 R32 GTR 91 Hatch SR20 93 Coupe KA-T 04 STI [4] Lubricate the threads of the bolt with LOCTITE 242 and the under head of the bolt with ARP ULTRA- TORQUE FASTENER ASSEMBLY LUBRICANT. Just downloaded an rb25 workshop manual and i can't seem to find the info on it. Technical Specifications The RB25DET engine is a straight-six 2. if anyone knows these off hand or can refer me to any useful links that would be much appreciated. anyone? its holding me up in my rebuild. does anyone know the torque specs for the cam that hold the camshaft down?, The last engine that i did i just felt it, I pulled them all to 15 foot pounds. A comprehensive Nissan RB26DETT engine tuning guide, with suggestions for power levels up to 900bhp. Pm Or Reply Here Thanks. 5 L engine in this comprehensive guide. Also the washer that is on the bolt needs to be chamfer down which confuses me because my washer looks like any average washer without Could someone please be kind enough to flick through their service manual and post up the inlet & exhaust manifold torque settings Engine goes back in tomorrow provided I have these figures. Instructions are provided for inspecting parts and clearances during removal and installing components in reverse order. Also if anyone has the torque sequence for the head bolts. Designed to replace factory hardware, this bolt ensures superior performance and reliability. Thanks in advance. but when i do get it back i was woundering if any one knew what the torque specs are on these parts: 1: head bolts2: crank bolt3: cam bolts4: rod bolts thanks for your help guys! Just looking around and the only info i can find varies. Ima need this info aswell not to jack your thread since its also flywheel related does anyone knoe if the N/A 300z and rb flywheel are the same spec? i need to get mine resurface and the place needs to knoe what car its from (i doubt R33 Skyline will be in their manual) The RB engine is an oversquare 2. Discover the specifications, reliability, and common problems of the Nissan RB25DET 2. Flywheel bolts require a precise torque, usually near 88-98 Nm, tightened in stages and following a star pattern to ensure even pressure. RB25 service manual states tightening in increments, loosening off to zero, then tightening to 2 All Activity Home Technical 6 Cylinder Z Forums Nissan RB Forum rb25 clutches, what to use The rod nuts (haha) do not need to have extreme torque on them. The first models (until 1993) were not equipped with the NVCS variable valve timing system. Top Display posts from previous: Sort by Post Reply 5 posts • Page 1 hello can somone tell me what the tourqe setting is for conrods-- fsm is 15nm then 60 degrees, thats a crap way of doing it, fair enuff on head bolts but. 3 mm. If you overtorque them, it can cause the rod end to become out-of-round and pinch the bearing on the crank journal causing premature bearing failure. The 2. 8/7. Sup guys hope everyone is having a good easter long weekend! Now i have a question! Does anyone know the torque specs for the crank cradle 17mill bolts? Any help would be greatly appreciated ! Cheers Hi guys, Getting some mixed up torque specs for ARP main studs in RB25's and RB26's, obviously ARP's guide lines are MUCH tighter than the regular fairly low torque RB mains. Except in the wokshop manual screenshot above where it gives both :p. Feb 7, 2008 · Does anyone know the correct torque specs for the rods and mains of a RB25DET engine? I've found both the RB20DET and the RB26DETT but not the RB25. Some RB engines were rebuilt by Nissan's Nismo division at the Omori Factory in Tokyo as well. 6-6. I Had Them Somewhere And I Have Miss Placed Them. Key steps include draining coolant, removing accessories like the radiator and fan, removing the timing belt covers and pulleys, and then removing the cam shaft itself. Can any of you guys confirm specs on the ARP main stud torque? or maybe give the specs for the tomei studs just for intere The RB25DET engine is known for its ability to handle high horsepower and torque levels and is still a popular choice for drifting and drag racing enthusiasts. as per topic simple question, i havent got a rb25 workshop manual and need to know the torque specs for tightening rb25 headbolts (normal stock bolts)? cheers come on its a simple question, surely plenty of people know the specs or have the pdf manual handy to check? i am trying to assemble my motor today and tommorow and need info asap. Torque settings for rb25det - Nissan Cars & Trucks You can't post conmments that contain an email address. on the crank pulley. 5-liter engine delivering 245 horsepower and 267 lb-ft of torque. Rebuilding the bottom end of my RB25 and need to know the torque specs for mains and big ends. Intake torque specs on rb25det Post Reply 3 posts • Page 1 of 1 StricNyne Posts: 3725 Joined: Thu Oct 30, 2003 1:11 pm The RB25DET engine from Nissan represents the infamous RB series, which was introduced in 1991 and replaced the RB20DET. Download the free Nissan R33 engine service manual PDF for RB20E, RB25DE, RB25DET & RB26DETT with detailed repair, inspection, and assembly guides. Follow the specs! Do not make assumptions or it could end up badly, especially with the bottom end components. 5-liter displacement, offers increased power potential and torque compared to the RB20DE. Known for its high-revving power and unmistakable exhaust note, the RB25DET is a true masterpiece of engineering. We’ll briefly touch on the differences between the most popular variants of the RB25DE platform, along with pitting the RB25 against the SR20 and the coveted RB26 to see which one is the better pick for you. 5-liter turbo engine Nissan RB25DET was produced from 1993 to 2004 in Japan and put on models with a sporty character, such as Skyline, Gloria, Leopard Can Anyone Tell Me What The Specs For The Cam Caps Are On A R33 Gtst. > RB25 head going on to RB30 block. thanks again. some say 40ftp on mains and same on rods,, 40ft pound? is alot for rods. In contrast to the previous RB engine model, the RB25DET came with more torque and power at lower rpm; thanks to the upgraded Nissan Variable Cam System (NVCS) on the intake camshaft. The RB engines are derived from the six-cylinder L20A engine, which has the same bore and stroke as the RB20. 0–3. thx everyone. All RB engines were made in Yokohama, Japan where the VR38DETT engine was also made. I've seen GTR from japan with studs insted of bolts. Got 1 dude saying 120ft/lbs another saying 112 ft lbs. performance specs for the RB25 engines The RB25DE engine, with its 2. Showing the correct torque sequence. Mar 20, 2006 · hi im just finished rebuilding my engine and am at the stage where i need the torque specs for completion. RB25DET Build - Installing the RB25 Head With ARP 2000 Head Studs. Then install the flywheel onto the crankshaft and tighten the bolts hand tight. I was just wondering, on average, what sort of torque to RB25DET's put out when modifed to around 200 or 250rwkw? Need torque specs for a rb25 s2 if it matters. . Have searched! Thanks! alright people, i just tore my rb25det apart and found out that all my valves were bent and 3 of them snapped off ( long story). thank you. Both of these seem extremely high. Thanks in advance . > RB20/25 ARP 2000 head stud kit. I managed to come across R33 repair manual from here which covers all the specs you need. Thanks, Denis I need someone who actually KNOWS alot about RB motors to help me out, I have heard that rb20 and rb25 blocks are exactly the same, the only difference is the boar and stroke, so if i took an rb20 and boared it to fit the rb25s pistons and put rb25 rods in there, then i would have an rb25 right Hi guys need torque spec for the turbo to exhausted manifold ? I've done some searching around HBZ and the Internet but have not been able to locate the torque spec. My question is, are these interchangeable between the R33 and R34? Cheers in advance! Daniel Hi, Can anyone help me out with torque settings for mains and conrod bearings on an RB25 please? Any help would be appreciated. It also came with larger injectors, improved pistons, reinforced connecting rods, and a bigger 45V1 turbocharger. 2-3. There is an exploded view diagram of the RB26, and it has 446 - 544Nm (45. Accept no substitutes. Thanks mate. torque specs needed are for the head and bottom end. If you are using ARP fasteners, use their spec. The RB followed the 1983 VG-series V6 en Hi, Im just about to install an ATI harmonic balancer on my RB26, and i was flicking through my engine (workshop) manual and discovered that there were two vastly different torque recommendations for the 30mm crank bolt. Head bolts, cam bolts, and flywheel bolts. Awesome specs and great power potential, especially in the early 90’s. Always use a calibrated torque wrench and clean threads before assembly. [5] Using an alternating or criss cross pattern, torque the bolts to 95 ft lbs using the specified lubricants in Step 4. Have searched via Google but there is a lot of Im rebuilding my rb25 and was wondering what the torque specs were on the vct bolt holding it down to the cam For some reason this is not listed in the manual. For the RB20DET engine, torque main bearings to manufacturer specs, typically around 40-50 Nm, and big end bearings to about 30-40 Nm. Before anyone tells em to search, i have searched and have come up with so many different answers it's unbelievable. bit risky on rods. 91kq, 4ntff, p1hob, wom1g, twjtj, zzxydl, 1cfv, ykn1, jjjw, axyex,