It was first introduced for Mitsubishi Lancer 10 and EVO X in 2007. The manufacturer was forced to abandon the proven 4G6 engine due to the new, more stringent emission requirements. The 4B11 now is an all-aluminum engine with the newest …

Mar 29, 2010 · Designed for use with Cosworth forged stroker rods and pistons resulting in a perfect bore to stroke ratio that will allow the engine to still rev over 9000 rpm with a broad power band. Sleeves included (Y/N)? BC 4340 billet steel crankshaft (84mm stroke). Choice of 4340 steel billet connecting rods w/ARP fasteners.

Dec 10, 2021 · Straight from the factory, the 4B11T came with a TD05H-152G6-12T turbocharger that can deliver a pressure of 1.54 bar which is equivalent to 22 psi. This is enough to produce 350 whp to 400 whp depending on the dyno. To support the turbocharger, the engine is fitted with: an aluminum intake manifold.

Jul 23, 2020 · With some bolt-on parts and tuning, a stock turbo 4B11T can make anywhere from 350 to 400 horsepower, which is similar to that of a bolt-on and tuned 4G63, but the 4B11T makes way more low-end torque than the 4G63T. The massive gain in low-end torque is thanks to the much more efficient stock turbo.

Oct 22, 2008 · Prepare yourself as the Tomei engineers spit knowledge and breakdown the newest Mitsubishi 4B11 engine while comparing it to the previous 4G63 powerplant in their official Evo x Technical Report. Following the public release of the Mitsubishi Evo x, Tomei Powered quickly acquired and disassembled the newest 4B11 powerplant to begin their research.

Dec 27, 2017 · To make a 4B11 engine block capable of supporting more than 500whp, a sleeving solution is needed. A number of options are available for the 4B11. There are dry, flanged dry, wet and “amphibian” solutions available. A dry sleeve gets its name because the outside of the sleeve never makes contact with coolant.

Jan 28, 2014 · On stock turbo, bolt ons and a conservative tune on 93 octane and you should be comfortably in a safe range. You could tune for more, but the stock turbo will make you make too much torque down low, and boom. ... I think you've been flying under the radar for some time.

Jul 12, 2020 · Both the 4G63 and the 4B11 bottom ends are safe to push around 400-500whp. I’m sure many people have pushed further on a stock bottom end, but 400 to 500whp is a pretty …

May 29, 2018 · This 4B11 engine went in a Mitsubishi Lancer Evolution X, and after all of the work AR Fabrication did, the car made 867 whp and 572 lb.-ft. of torque. On to the next one!

Jun 1, 2022 · tuned by Ruben Rosario