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JB4 has bluetooth and EWG, latest version of the hardware. Disclaimer: One of the connectors lock mechanism is cracked. It sits in place and does not move however you don't hear the "click" sound when you install it. Check out picture #2.

I have a a few GR Corollas available at invoice, Los Angeles area. DM me your information and I pass it along to the dealer. In case you are wondering, no I am not getting paid anything, just passing the savings along.

Is there MKV specific manual transmission fluid change tutorial anywhere? Also anyone recommend a good brand/weight for track use?

I have the basic knowledge but feel free to explain like ELI5. How does CDV work? What does it do? Does it kick in while pressing the clutch or releasing it or both. Why is it good, why is it not good. What can CDV screw up, what does CDV save you from? This of course if you truly know. Not...

Thinking about getting my first harness + head restraint setup ever. What is everyone using here? Sparco aluminum vs Steel buckle? 3 inch vs 2 inch? What brands/models? Pull up lap belt vs pull down? Click in vs roll over the bar? HANS is a must? Club III FHR just as good? Expensive HANS...

What is a reasonably complete system look like? I am trying price out a package where I'd have the ability to run majority of the OTS maps from BM3 as well as future capability to custom tune. 1) BM3 License 2) DME Unlock and BM3 installation in Finland through EPC or yourself. 3) Flex fuel...

Stock car on stock Federal 595 RS-RR with whatever stock alignment was understeering alot. Now has MCS2W with vorschlag, rear toe links and front sway bar end links. Alignment is -3.7 camber 0 toe front -2.5 camber 1/8inch in toe rear. Spring rates are 12k (672lb) front and 11k (616lb) rear...

Just got MCS 2W installed and when I turn the wheel at very slow speeds or stopped I can hear a low but distinct, continuous grind/rub like noise from the front coil overs. The gentleman who did the install said that is normal that the spring under load is trying to spin in its place and not...

What does "at the mount point" mean when it comes to sizing Brey Krause seat mount. Specifically these seat mounts: https://www.bkauto.com/category_s/400.htm refer to what measurement for this seat https://www.sparcousa.com/product/evo-qrt Also, is there an advanatge of the Brey Krause to the...

I need some clarification as people seem to be using some terminology like unlock, locked, partially unlocked, custom tune, custom rom interchangeably and I am a bit confused. Purpose of the thread is to understand all possibilities, risks/gains to evaluate how I should move forward. 1) What...

Bought a used JB4 from a member which had ewg pre installed. After the install the car goes to limp mode saying EWG line disconnected. When I put the original EWG harness limp mode and cel goes away. I have set JB4 to base settings and updated the firmware to latest. I have also done a...

I am trying to piece together some information on if remote reservoirs are worth the price on a coil over system, specifically MCS 2 ways. So far this is what I have, please add yours to the list. Pro: Can hold more fluid which makes it ride better and last longer in longer sessions Can...

It is tight when the rest of the system is installed but ..I dunno I feel like it should not be that loose on the turbo inlet.

Have you guys taken a race school? Which one? What did you get out of it?

Looking to buy a set of MCS dampers, springs, plates as well as wheels and a seat and thinking about waiting for Black Friday deals. I have heard Apex runs Black Friday deals, has anyone here heard MCS stuff going on sale at the vendors?

I think its time for me to get a race seat as between downshifting to 4th an MT taking my left foot and right hand away with my right foot on throttle and left hand one handing the car through a left to right and up down transition it is getting impossible to keep my self in place. It is at a...

23 MT, my AC will freeze my hands and face while my back is sweating. I played with the AC up/down temp settings, where AC blows, how hard fan works under auto etc.. and can’t seem to be able to get the air near/behind the seat cool. Oh and this is all happening with 75f ambient, 69f in car...

Alright so 1000 miles on the odometer, 2 track days on the car on break in oil. Stock except intake/exhaust, Tires are Federal RS-RR on stock sizes. First of all oil, nice and clear light to dark brown, no burnt smell, pretty clean to be honest. No pictures. Filter looks great for break in. I...

For track use with a stock engine 275/18 200TW tires on Willow springs, Chuckwalla and BW, running between second to fastest or fastest group. 1 way gives you rebound dampening adjustment, 2 way gives you rebound and compression. I never had adjustable suspension on a car I took to track so I...

Cost, color, availability aside for track day usage in the sizes 18/10.7 and 18/11 to run a 275 200TW tire Why would one pick one vs the other? I guess the .3 inch difference might make Apex be able to run a one size wider tire than Titan7?