Wanted JB4 with Bluetooth... whatever is needed with that also.

[SIMONGUEY]

I'm pretty new to this whole tuning and buying parts thing, so I'm a little lost on everything I would need with my JB4 tuner if I were out buying it myself, you know. I recently bought some InJen cold air intakes that I'm waiting to arrive, but I would like to buy the JB4. Just not sure everything id need with it.

 

[rpoffen]

I installed my jb4 a couple weeks ago. It is pretty simple, and you can start basic or get a little more crazy with it.
It comes with the connectors you need to tap into two sensors on the engine. That by itself will get you started. Brand new, it comes preset to map1 which is OK on stock plugs and 91 octane gas. If you want to use higher maps, then you need to switch out your plugs, most recommend Denso or HKS, I have HKS in mine.
It also comes with two wires for fuel control. If you have the 3.3l, then you use both of them and posi-tap them in to the O2 sensor wiring. This allows the jb4 to change the A/F ratio to get a little more power, definitely recommended. If you want to be able to remove the jb4 without any trace, then get the fuel adapter harnesses (two required for the 3.3l). This is a short adapter that plugs between the O2 sensor and the stock connector, this way you tap the adapters and then you can remove them and leave no trace, highly recommended.
The last thing it comes with is the OBD harness, while this doesn't modify the computer, it allows you to get all kinds of data from the computer, you just need to run it through the firewall to plug into the OBD connector by your left knee.
There are two ways to modify the jb4 operation, connect it to a PC, which is cumbersome, or get the bluetooth adapter which allows you to connect from your mobile phone (iPhone or Android) to changes maps, get logs, etc. This is also highly recommended. Note that the app costs $27.99 (at least for iPhone on the app store)
Most people attach the unit to the top of the fuse box cover (passenger side) using Velcro. I bought a spare fuse box cover online for a few bucks and attached it to that using nylon screws, so I can completely remove any trace of it if I want.
I notice your member info says you are in California. Note that none of the licensed distributors will ship the jb4 to California because of state law. PM me for thoughts on that.

 

[BigBallin]

I’ve got a jb4 with every thing you’d need to run e40 besides spark plugs

 

[SIMONGUEY]

I'm nervous to use e40 lol. I def need to get all the equipment for it first. most likely going to pay to get it done for me. about to kill my own engine

 

[BigBallin]

I'm nervous to use e40 lol. I def need to get all the equipment for it first. most likely going to pay to get it done for me. about to kill my own engine

It’s super easy and all plug and play. Mine is already wired up. Used for 6 months. Trading my car for a truck

 

[SIMONGUEY]

It’s super easy and all plug and play. Mine is already wired up. Used for 6 months. Trading my car for a truck

It’s super easy and all plug and play. Mine is already wired up. Used for 6 months. Trading my car for a truck

how much would you sell it for? got more car parts btw?

 

[BigBallin]

how much would you sell it for? got more car parts btw?

I’m asking 850 shipped. Retail on it is 1100. Only part I don’t think is spoken for is the bms zero maintenance oil catch can

 

[Justin Lieb]

I'm pretty new to this whole tuning and buying parts thing, so I'm a little lost on everything I would need with my JB4 tuner if I were out buying it myself, you know. I recently bought some InJen cold air intakes that I'm waiting to arrive, but I would like to buy the JB4. Just not sure everything id need with it.

I have a brand new JB4 for sale but it comes in the old plastic case and a used bluetooth adapter. It has everything you need to install it and everything works perfect. I'm asking $550 shipped. I can walk you thu everything, I've been tuning cars for years.

Side note. it is safer on your motor to run alcohol, so if it is available in your area, there is no reason not to.

 

[SIMONGUEY]

I have a brand new JB4 for sale but it comes in the old plastic case and a used bluetooth adapter. It has everything you need to install it and everything works perfect. I'm asking $550 shipped. I can walk you thu everything, I've been tuning cars for years.

Side note. it is safer on your motor to run alcohol, so if it is available in your area, there is no reason not to.

I appreciate that a lot! I actually just got one and installed my jb4 yesterday! Pretty dope stuff

 

[Justin Lieb]

I appreciate that a lot! I actually just got one and installed my jb4 yesterday! Pretty dope stuff

I only have three mods; BMS intakes, JB4 and a 7th injector and trap 118mph on my Dragy. My AWD GT weighs exactly 4500lbs with me in it, so Im making 500 to the wheels. E50 in the tank. The car is beast.

 

[SIMONGUEY]

I only have three mods; BMS intakes, JB4 and a 7th injector and trap 118mph on my Dragy. My AWD GT weighs exactly 4500lbs with me in it, so Im making 500 to the wheels. E50 in the tank. The car is beast.

DAYUMMM sir. help me get to that lol. im not exactly sure what you mean by 7th injector and trap. also I daily the car so I dont really know if I should change stuff on my car to make it run e50 or that type of gas in general. "I don't know shit besides that I've already installed lol"

 

[SIMONGUEY]

I only have three mods; BMS intakes, JB4 and a 7th injector and trap 118mph on my Dragy. My AWD GT weighs exactly 4500lbs with me in it, so Im making 500 to the wheels. E50 in the tank. The car is beast.

or any help would be useful actually. mainly with the maps. im running map one, but don't exactly know how it all works. like what does map 1 exactly do and what does map two do? should I get supporting mods before kicking it up a notch?

 

[Justin Lieb]

If I were to do it all over again, the very first thing I would do is close the gap on the spark plugs. I went with a "0.22" gap. I recommend using a 0.20"-0.24" gap and I have heard as low as a 0.18". I changed to a one-step colder plug but you will be okay with the stock ones, I believe. This is good practice with any turbo/SC engine.

The JB4 for the Kias/Hyundais has 9 maps.
Map 0 is stock boost (~12psi)
Map 1 adds boost, leans AFR (runs in 10s from factory), and I think adjust timing (not sure the computer may do its own adjustments.
Map 2 adds more boost than 1
Map 3 adds more boost than 2
Map 4 adds more boost than 3
Map 5 adds more boost than 4
Map 6 is custom map and adds any amount you set in the "Settings" page
Map 7 is like Map 5 but is made for WMI and adds safety guards in case the Meth flow stops
Map 8 is the valet map and cuts the boost in half (~6psi)

My car runs an 11.99s 1/.4 @ 118mph with only Intakes, JB4, and a 7th injector.

I plan on lighter wheels (0.2s off E/T in the 1/4 22lbs vs 36lbs for stock wheels), a BMS intercooler, and an axle back. Hoping for 11.6s-11.8s in the 1/4 with a measly 2.0 60" (I don't launch hard).

The 7th injector just taps into the low pressure side of the fuel system and I run it on a Hobbs switch so it runs @ 100% duty cycle. I have a BMS Injector controller and a split-second A1C2 injector controller and I may switch over to that so the 7th injector ramps up instead of just going full flow right when it hits the boost threshold. The car runs perfect though the way it is, and it cost about $500 to add the injector the way I have it setup.

I also run E40-E50, so if ethanol is available you should definitely run that, but without the 7th injector, you shouldn't run more than E30.

 

[Justin Lieb]

DAYUMMM sir. help me get to that lol. im not exactly sure what you mean by 7th injector and trap. also I daily the car so I dont really know if I should change stuff on my car to make it run e50 or that type of gas in general. "I don't know shit besides that I've already installed lol"

Sorry just saw this post.
Your car has six cylinders and six fuel injectors. The stock fuel injectors can only keep up with Map 2 on E85 roughly. To go beyond Map 2, you will most likely need to add a "7th injector" to run E85 @ 30% or more. You can install a Water/Methanol injection kit but they are more expensive and they come with a bunch of things you need to worry about, more things to break, constantly keeping the tank full and don't provide as much power but they are your only option if you don't have E85 available.

Your trap speed is the speed your car will hit @ the 1320' (aka 1/4 mile ) mark (x) your vehicle weight shows your HP to the wheels. My car weighs 4500lbs with a full tank and me in the driver's seat. I trap 118mph, so my car has almost exactly 500 HP to the wheels.

 

[SIMONGUEY]

if i have a jb4 with fuel wires and a obd would I be able to run e85? or would I need supporting mods to run that different type of gas? because I have e85 near me for sure. I'm sure I can get a second injected tho! shit for that type of horse power yes please. cuz I only have injen intakes at the moment and the jb4. I'm waiting on my spark plugs to arrive so I've only been testing out map 1

 

[Justin Lieb]

if i have a jb4 with fuel wires and a obd would I be able to run e85? or would I need supporting mods to run that different type of gas? because I have e85 near me for sure. I'm sure I can get a second injected tho! shit for that type of horse power yes please. cuz I only have injen intakes at the moment and the jb4. I'm waiting on my spark plugs to arrive so I've only been testing out map 1

You can put E30 in now with the JB4 hooked up, possibly E40 but you won't see much benefit. I wouldn't even test Map 2 until you get the plugs gapped, because once you burn a coil, closing the gap won't bring that coil back to life.

Alcohol is safer for the motor because it cools and has less energy. It takes about 30% more of it which the JB4 adjusts for but the stock fuel system can't go much more than Map 3 or 4 without being upgraded. The extra injector runs off the low pressure side and goes in your charge-pipe so it cools and allows more headroom. I run Map 5 or 7 with the extra injector and E50. I like to push about 18-20psi. Terry from Burger says 18psi is the sweet spot.

 

[SIMONGUEY]

yeah im not really testing it out to much lol. just waiting for these plugs to arrive! and I get you! I'm going to wait for my plugs and hopefully I should be able to run map 2! not sure what type of difference I'm going to exactly see tho. but definitely will look into changing the fuel system to eventually go into map 3

 

[SIMONGUEY]

im not sure how the gauges work tbh. but I'm seeing my boost psi goes max to like 15 psi i believe. but it builds up to it

 

[Justin Lieb]

The best thing to do is click "start logging" and record a couple full throttle runs. The fuel system can support Map 3 but not much beyond that. The difference between map 1 and 2 is noticeable and from 2 to 3 is noticeable. You would need to add an extra injector or WMI to run 4 and above IMO. You can do E85 or WMI. There was a point where I ran both. E20 and 70/30 Meth/Water mix but running E50 with the 7th injector gave me the most power and eliminated a lot of extra wiring and having to purge the air out of the WMI tubing all the time.

 

[SIMONGUEY]

The best thing to do is click "start logging" and record a couple full throttle runs. The fuel system can support Map 3 but not much beyond that. The difference between map 1 and 2 is noticeable and from 2 to 3 is noticeable. You would need to add an extra injector or WMI to run 4 and above IMO. You can do E85 or WMI. There was a point where I ran both. E20 and 70/30 Meth/Water mix but running E50 with the 7th injector gave me the most power and eliminated a lot of extra wiring and having to purge the air out of the WMI tubing all the time.

i will definetly look into that! the wmi and the 7th injector!

with what I have so far. and with new spark plugs installed would it be fine for me to run map 2?

and bro I bet that car did haul ass after giving it meth.

also! sorry my grammar is ass right now. I'm awake on 1 hour of sleep lol. but should I start logging and then take off with launch control or just pedal to the metal while I'm already driving.