4B11 vs 4G63? | 1170HP & 53 PSI++ Of BOOST Worlds Fastest EVO X! [TECH TALK]

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4G63 vs 4B11, best turbo back pressure ratio and is the biggest turbo you can fit the best? Let's find out!

Running 1170HP, 680 ft-lbs of torque and in excess of 53 PSI of boost, the English Racing Mitsubishi EVO X is pushing the boundaries and leading the pack to be the fastest Mitsubishi Evolution X in the world. Driver Myles Kerr discusses some of the challenges that come with pioneering a newer platform and where he sees the 4B11 being superior to the proven but now dated 4G63 power plant. Despite what a lot of people think, it does take more than just a healthy bank account to get this done 🤓

This Extreme Turbo System built EVO X runs Golden Eagle sleeves, stock stroke GRP Connecting Rods, a modified factory crank, GSC Power Division valvetrain and S3 cams, a Precision 7685 turbo and the MoTeC M150 with John Reed Racing modification brings it all together. The team had some huge drivetrain issues before getting the weight down and the car now runs a Graf h-pattern 5-speed dog box, Shep transfer case, Driveshaft Shop shaft and rear axles with a Mitsubishi 300GT rear diff. The power is currently a fixed 50:50 split and in the clutch department, an Exedy triple carbon clutch and Magnus Motorsports slipper system keep the launches consistent.

Andre and Myles also discuss why the biggest turbo isn’t the best, where there is still more weight removal to be done, the 4B11’s advantage of the 4G63 at low to medium power levels and the sweet spot for turbo back pressure when it comes to drag racing.

At the TX2K 2019 event, Myles and the EVO set a new record with an 8.167-second pass at 180.79 MPH so the team is on track and creeping closer and closer to that 7-second pass.

#highperformanceacademy #learntotune #englishracing #evox #tx2k #ets

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Who else learnt to count to 10 in Roman numerals thanks to Mitsubishi? Asking for a mate - Taz 👨🏻

hpa

I've had 3 Evos: a 2008 X MR in the US, a 1997 IV here in a Japan, and now another 2007 X GSR w/TC-SST, also in Japan. I love the X as a street car. Yeah it's heavier than the 8/9 but it also has a better AWD system which makes it faster in the twisties. Using an Evo X for drag racing, is, IMO, like trying to stuff a square peg in a round hole and complaining it doesn't fit. The 4B11T is an awesome engine and under-utilized by Mitsubishi and the other companies in their conglomerate.

Noble

I always learn something new from each upload. Two of my favorite companies in the same video!

ranyothman

Nowhere else on the internet do I learn as much about modern racecar technology. Keep up the great work.

El_Chompo

Myles preaching the truth 4g guys hate all you want I love the 4g but the 4b11 is great and hold/produce fully stock internal 500hp reliably vs a stock 4g63. Graf 5 spd dogbox ftw 💪

LatinoAD

This was great! Covered everything I wanted to know. That "slipper" was interesting.

phoenixrising

Interesting to see the 4b11 progress and how the 4g63 is still moving forward

CAHOONIE

you are the best car host around at the moment, i really love this technical talk

beauhawkins

I feel like a better Evo X owner just for watching this video. Thanks for all the great insights! \m/

JibaroCZA

Didn't waste 1 second getting here

popomomo

I always love videos like this! thanks for sharing with everyone!

tsdelosa

love the EVO content, keep them comin! 4B11 the future!

hypnotik

Liked.. *hit that button while the pre adds were playing, I just knew some Mitsubishi talk was gonna be the goods

andym

Awesome as always, he seems like a really nice dude!

boostedbuiltgarage

The reason he stopped bending rods is because when he cut down the rod journal (most likely honda diameter) it effectively lengthens the rod a bit improving rod ratio putting less stress on it.

CP