Aug 14, 2021 · The Nissan RB25 is the initial model designed as a non-turbo twin-cam machine and part of the most recognizable RB series of engines that powered specifically the Nissan Skyline GTST R33. The RB25 engine is the newer rendition and much-improved package over its predecessor RB20DET.

Nov 13, 2022 · You can think of the RB25 vs the RB26 as similar to the 1JZ vs 2JZ debate. The RB25/1JZ are a little smaller and not as well known as the RB26/2JZ, but they are still incredible engines. The RB25 was used much more extensively by Nissan, as they only put the RB26 inside the Skyline GT-R and briefly in the Stagea 260RS.

Jan 5, 2009 · the advantages of the NEO over the base rb25 are the solid lifters, top feed injectors, a better head and i believe a different (better) intake manifold along with much stronger internals.

The RB engine is an oversquare 2.0–3.0 L straight-6 four-stroke gasoline engine from Nissan, originally produced from 1985 to 2004. The RB followed the 1983 VG-series V6 engines to offer a full, modern range in both straight or V layouts. [3]

Apr 24, 2018 · The RB 25 and the RB 26 engines are different in many ways. While the RB 25 is a 2.5 L, 2498 cc engine, with a bore of 86.00 mm and a stroke of 71.7 mm, the RB 26 is a 2.6 L, 2568 cc engine, with a bore of 86.0 mm and a stroke of 73.7 mm.

Jun 12, 2006 · RB25DET is 9:1 Compression, better low end torqueRB26DETT is 8.5:1 Compression, bring on the boost baby!! All RB motors are basically Factory Blueprinted. I love seeing the look on people's faces when I tell them that.

Aug 14, 2021 · However, torque-wise, RB25 is far superior to the RB20, and its ceramic-wheeled turbo makes it weaker than the RB25. RB25s have good potential; they can reach 500 HP on stock internals and has a powerful transmission.

Jun 8, 2019 · There are 3 rb25 motors. Series 1, series 2, and neo. The neo variant was in the r34 and has higher compression and I think a higher red line. I would go series 2 because it is better than series 1 and a lot more affordable than the neo. The neo is badass tho and more capable out of the box. At the end of the day they are both rb25's tho.

Nov 4, 2020 · RB25 and RB26 are two engine models produced by Nissan for use in their Skyline GT-R cars. RB25 is a 2.5-litre, six-cylinder engine with a single turbocharger, producing around 300 horsepower; RB26 is a 2.6-litre, six-cylinder engine with twin turbochargers, producing around 330 horsepower.

Apr 18, 2022 · In this article, we’ll go over specs, reliability, and swap info for the RB25DET engine. 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.