"DIFFERENT" LOCKER (Brake Line Lock) - Technology used for drag racing applied to off-road
JonDZ Adventuring JonDZ Adventuring
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 Published On Jun 7, 2022

I didn't think an AWD was capable of driving up "difficult" 4WD terrain. I've been chatting with a Legendary Honda Tuner, known as E-MAN, for quite some time. He's had this idea to implement technology that he uses in drag racing and apply it to an off-road application. BTW, He's held records for quickest 8th and 9th gen Honda Civics, and one of the FK Civic Type R he built is capable of doing the quarter mile in 10 seconds and is working on bringing that time to 9 seconds. He's very respected in the import drag racing scene. He said they use something called a "line locker", and this helps momentarily lock wheels to assist with doing burn outs to warm up there tires before a run. A "line locker" also is used as LAUNCH CONTROL. So, E-MAN applied "line lock" technology to be used in an off-road application.

This isn't the first time this has been done. Custom buggy crawlers always had the ability to brake individual wheels. This tech has been around for decades, it's just that no one (to my knowledge) has tried to use solenoids to lock brake pressure. What I witnessed was unbelievable. I would have never imagined I would be able to drive up steep, rutted and loose terrain with a front wheel in the air! This would be game changing for open differential systems, especially ones that only pulsate a wheel with no traction.

In this video, the brake line lock is applied to a very worthy AWD vehicle, an iVTM4 equipped 2020 Ridgeline. It has a 20.4:1 crawl ratio (same gearing as a Toyota Tacoma in 4LO 2nd gear), a good torque converter that is not prone to stalling, and 280HP/262TQ with a 11.5:1 compression ratio. The only glaring weakness of this AWD platform is the open front differential. See how this "Brake Line Locker Mod" greatly increases capability!

There's a few things that I didn't go over in this video. I really wanted to end the video with some closing words, but I was trying to hit a YouTube 1 week deadline. I simply ran out of time. I wanted to say that I personally don't know how effective this mod would work on other platforms. A lot of my Subaru friends want to know how this mod would perform on their vehicles, and I just don't know. I also have friends with CRVs that want this system, and again, I also don't know how effective it would be, but the good thing is that the ABS modules in the midsized Hondas are similar (maybe even the same) as the CRV/HRV.

I'm really big on making sure I don't "OVER SENSATIONALIZE" the capabilities of an AWD platform. I wanted to end the video with showing you how easily a Toyota 4runner TRD PRO would climb the steep rutted hill in 4LO. With all the flex from a solid rear axle and body on frame construction, the wheels don't even go up in the air. The formidable deep ruts you saw in this video are still within the articulation limits of a 4runner, so it would never break traction. So why not buy a 4runner? Because I find the onroad driving dynamics unsatisfactory. That's my personal preference.

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