Rb30 vs rb26

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RB25 vs RB26

There are countless videos on the internet of both engines making well over 1, horsepower. But the question always seems to come up; which one is king of Japan? The RB series is a family of inline-6 engines, ranging from 2. All of which came in different engines dressings, some naturally aspirated, some single turbocharged, some twin turbocharged. Additional RB information on Wikipedia. The RB26 came with an 86mm bore, and a It came with parallel T28 ceramic turbochargers limited to 14 PSI of boost. All of this produced an impressive bhp and lb-ft. Although many Nissan enthusiasts claim that the RB26 made closer to bhp. Many stock dyno runs have proved this to be true. Much like RB series, the JZ series is a family of inline-6 engines. Ranging for 2. Which One is Better And Why? Additional JZ information on Wikipedia. Just like the RB26, the 2JZ has an 86mm bore but steps up the stroke from This is where the extra. Unlike the RB26, the 2JZ came with a sequential turbo setup, meaning it has a much broader power band. All of this produced an advertised horsepower and lb-ft of torque. They make pretty much the same amount of power, however, the 2JZ makes about 30 lb-ft of torque more. But, numbers only tell part of the story. RB The RB26 has a very linear power curve, it just slowly gains throughout the power band. It never really peaks or jumps around. This is mostly due to its sequential turbos, and extra stroke. The linear power gain of the RB26 is great for track use since the power will be predictable when on and off of the throttle. RB The RB26 stock internals can hold up to about horsepower. This is quite an amazing feat for a stock engine. So, both of these engines can hold incredible amounts of power, however, the 2JZ can hold up to quite a bit more on the completely stock engine internals. The engine blocks are nearly equal in terms of strength.

RB26 vs 2JZ: Which One is Better and Why?

Welcome to SAU Community, like most online communities you must register to view or post in our community, but don't worry this is a simple free process that requires minimal information for you to signup. Be apart of SAU Community by signing in or creating an account. Consider joining our newsletter for the latest content updates. Click here to register. By ibrox90August 22, in Forced Induction Performance. So, I've been looking at a possible engine rebuild not because I need to, mainly out of sport. So I'm in no real rush. I've been looking at a lot of forged kits as well as individual component prices and the like. Now of course when you talk about rebuilding a 26 a lot of stroker suggestions come up in the community of car nuts and for a long time that's what I wanted to do. And it should come up strokers are nucking futs. Which Is what I would like. No one ever talks about staying I'm wondering if there's anyone out there who's ran both and could provide feedback. Or someone who went from a worked 26 and then changed the crank. I feel like I should say that I'm not huge on chasing power numbers. For me its about response first. I searched everyone always fires that out and its not what I'm after. Nor am I after some dyno sheet print out. I understand that this is a hard question because obviously if you go from a stock 26 to a worked and tuned forged 28 running more boost its going to feel like an animal. Finally, and I mean this in the nicest possible way and do not intend to upset anyone. But if you drive your mums r31 and "read about a 28 in performance imports once" or "read a bit on forums" probably don't comment, because I doubt you'll be able to answer my follow up questions If you want to have a look at a good 2. As far as im aware GT-RS are better matched to the 2. I'm fully aware of the difference Changed original to avoid confusion. Not disagreeing. With the rev limit comment. But the most animal GTR I've been in reved to 11, rpm very very quickly and its something I enjoyed. If money is no issue, which it shouldn't be if you are working with a GTR, then the 2. Unless you fancy twin turbos you can pull more response and power from a modern single than those HKS turbos that are fairly old technology now. Personally wouldn't put either of those turbos on a 2. If you can provide more information about your intentions you might get some more help because you seem to already know the answer to your question.

RB26 vs 2JZ: Which One is Better and Why?

Login or Sign Up. RB26 V's RB30 - block strength? Posts Latest Posts. Page of 8. Filtered by:. Previous 1 2 3 4 5 6 8 template Next. What are the limits of the RB30T blocks? Spool time would of course be an issue, so the larger capacity of the RB30 would be a definate positive, but no point if it won't cop the pace. PS - looking for hp for a GTR. Tags: None. Either will do the job, mate. The VL boys and girls are making that sort of power no troubles and engines like that found in Mark Jacobson's stock-stroke RB26 are showing more than the horsepower you're chasing. There are a couple of types of RB26 block though. I wish Kochie would get blown out to sea and never found, in fact most of those dumb cunts standing in the rain telling people not to stand in the rain need to get fucked. Stupid tart on the news last night talking to the weather guy "wow you look totally drenched there whateverthefuckhisnamewas. Comment Post Cancel. Does it need to have rego? As you may have trouble finding a correct age RB30 block to use depending on the age of the skyline. Cool, RB30 may be the go then, I'll at least look into it - just needed to know if the RB30 mains etc would take it, years ago someone mentioned that hp was getting close to the limit on an RB30T block. New blocks are unstamped though, right? Unless they measure the height, noone would know the block had changed. VL's are in the 7's on the 3 litre block which is a lot more than hp. N1 RB26 block, especially if its going to be in a hard revved car.

Nissan RB engine

Welcome to SAU Community, like most online communities you must register to view or post in our community, but don't worry this is a simple free process that requires minimal information for you to signup. Be apart of SAU Community by signing in or creating an account. Consider joining our newsletter for the latest content updates. Click here to register. By felixy69June 30, in Forced Induction Performance. Yep, rb30 bloocks arent as good as the twincammers, though there are plpenty of them making hp without dramas. I dont think nissan did the casting, probably done locally by holden. I do have to agree with you that they were a budget engine though for the market and pre the Rb26 era but bang for buck still awsome!!! Casting quality etc looked the same; all fairly smooth, no massive dags anywhere. The RB20DET block only had ribbing across the bottom half of the block where as my RB30 block had both ribbing across the bottom half and also up inbetween the bores. Considerable differences. I've attached a couple pics of the rb20 block and rb30 block. So in many ways apples with apples. I wonder what the engineering theory behind ribbing vertically inbetween the bores and a ribbing horizontally through the center of the block is. Not the best angle but u can see it looks the same. The machine shop that did my rb30 told me about 10 times that they are rubbish compared to the other rb's. I just ignored him, as i wasnt going to give up my project based on his experience of metallurgy. He said the quality of the material was inferiour. You need to be a member in order to leave a comment. Sign up for a new account in our community. It's easy! Already have an account? Sign in here. By Anthony Started 1 hour ago. By Ottdurr Started 2 hours ago. By PaulArthur Started 9 hours ago. By ka86 Started 19 hours ago. By mlracing Started 20 hours ago. By street performance Started 20 hours ago. By The Max Started November 9, By petiseb Started April 3, By Shoujiki Started February 5, Forced Induction Performance Search In. Welcome to SAU Community Welcome to SAU Community, like most online communities you must register to view or post in our community, but don't worry this is a simple free process that requires minimal information for you to signup. See fewer ads! Consider joining our newsletter for the latest content updates Click here to register Guest Message by DevFuse. Recommended Posts.


Brand loyalty in engine choices is becoming less of a concern as time goes on. Largely driven by a pursuit of boost, three of the most-swapped engine platforms we see in drag racing, drifting, and time attack are the LS, 2JZ, and RB26—they're the do-all powerhouses for their respective brands. These Japanese straight-sixes came out of Japan's real muscle-car era, the s to s, and share a lot of similarities with the LS in their respective roles as budget-friendly solutions for 1, hp. The heart and soul of the early Nissan Skylines, the RB series was pumped from Yokohama, Japan, between and These straight-sixes range from 2. The RB nomenclature is very easy to decipher: RB is, of course, the engine family; the second number refers to the displacement; and you'll find tech details like whether it's dual-cam Dfuel-injected Eor carbureted S and whether it has a single turbo T or twin turbos TT. Their cult status is well-earned in the Skylines, but what about as a swap motor candidate? For the most part, we will focus on the RB26 and RB30, as they're the most commonly used blocks. We never got Nissan's "Godzilla," as it became known, but they were notorious in Australia. Panorama in the s, and I think that's where the cult status came from. They actually banned them," Kostas recalls. They kept trying to restrict them, but teams kept raising the bar on the RB—and with AWD, you can throw big power at them and they're streetable. With more than 30 years in the field, he mentioned the first bottleneck in horsepower for the RB is its turbo and fuel system. Most of the factory units max out around psi, and the later ceramic-wheel-equipped turbos will live very short lives at elevated boost levels. You'll find around hp at the wheels before the stock fuel system is stretched thin, but according to Kostas, "Most people skip half of that and go straight to a bigger single-turbo and do a heap of work at once. The main issues are with the rotating assembly: first is that the factory oil pump lacks the volume needed at higher rpm or was outright defective, as in earlier RBsand second is that the cranks are not as stable as their counterparts from Toyota—though the aftermarket has healed these wounds for Achilles. With a billet crank and a larger, higher-volume oil pump and an additional oil restrictor to the head, maintaining pressure in the crankcasethey can live above 1, hp with few worries. Stock cranks can manage 1, hp with a carefully balanced rotating assembly, but durability is a concern. The major limitation of the block isn't the displacement of the cylinders, but the actual internal clearances for stroker rotating assemblies. For the average builder, though, stroker combinations are popular. The 3.

RB30 vs 2JZ Which is the Better Block and Why? - Mythbusted

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