Going to ask here because I know we are using the jb4 to control water meth kits. Looking for some pics and ideas and where to hide this pump. Had all in trunk on my tdi golf. Not wanting that again. Space is limited on the r so show me where you guys and gals are placing them.
7
BMS JB4 R specific thread
- Thread starter George Smooth
- Start date
MadMen
Ready to race!
- Location
- Mooresville, NC
Here's tale of two tapes..
Trying to dial in a summer map. Only mods are JB4 and APR IC, with modified stock airbox.
First run is on map 3. Good timing, but low boost not hitting target. 81*
https://datazap.me/u/madtoy/add4?log=0&data=1-3-4-11
Second run is map 6 additive. Much higher boost, but low timing. Higher iat's due to a bit more soak. 85*
https://datazap.me/u/madtoy/add3?log=0&data=1-3-4-11
Trying to dial in a summer map. Only mods are JB4 and APR IC, with modified stock airbox.
First run is on map 3. Good timing, but low boost not hitting target. 81*
https://datazap.me/u/madtoy/add4?log=0&data=1-3-4-11
Second run is map 6 additive. Much higher boost, but low timing. Higher iat's due to a bit more soak. 85*
https://datazap.me/u/madtoy/add3?log=0&data=1-3-4-11
Diggs...added a little more to it.... E25 blend. Ambient temps 65F. Sea level.
thoughts?
Is that boost spike between shifts a concern? Seems to be at that 5200 rpm area in next shift.
2017 R: VWR intake, RS7 plugs, RS3 coil packs. FOL 40
https://datazap.me/u/tsivas27/log-1528590064?log=0&data=1-2-4-11-14-18&mark=110
1500 0
2000 2
2500 3
3000 3
3500 3.5
4000 5.0
4500 6.5
5000 7.0
5500 7.5
6000 6.5
6500 6.0
7000 6.0
Last edited:
Diggs24
Autocross Champion
- Location
- de plains! de plains!
- Car(s)
- 2015 GTI
Looks good. You can try the boost reduction if that spike is too much for you. Start with 80.
Appreciate the help ... So start with 80 and then drop in increments? What size? 1/5?
What are your thoughts on that boost spike? Is it something I can leave? Would you?
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Diggs24
Autocross Champion
- Location
- de plains! de plains!
- Car(s)
- 2015 GTI
I think it's ok but it's up to you. Some people don't like 27psi for longevity reasons.
100 is max boost reduction. So if 80 doesn't cut it go 90 then 100.
Just installed my JB1 and it works fine on the street but at the track this weekend 4-6th gear 4500-5200 rpm i was having some fuel cuts and the car was stuttering. Threw a CEL for low fuel pressure p0087 i believe. I turned the boost safety to 4.0 and that helped a bit. Any ideas or tips to fix that issue?
MadMen
Ready to race!
- Location
- Mooresville, NC
Boost safety is supposed to be absolute. Change it to 25 or 26 and see if that helps.
Diggs24
Autocross Champion
- Location
- de plains! de plains!
- Car(s)
- 2015 GTI
What is fuel open loop set to? Also, boost safety is in absolute. Put it to 25. That isn't your issue though. If you go over safety it will revert to map4.
Default I think? Is that 100?
Any guide on what the different numbers mean?
Just picked up an R (and my first vw) 2 weeks ago. I thought the car was fast stock on it's own but holy crap does this thing open up the top end. Currently running Map 2, I have an APR intake on order and once I get that on I'll start logging/playing with Map 6.
Also, first post here XD
Also, first post here XD
Diggs24
Autocross Champion
- Location
- de plains! de plains!
- Car(s)
- 2015 GTI
Default is 60 and it's too high. Move to 50.
Boost safety is the limit psi you want to run and if it goes over it goes to safety map 4. Put it at 25.
Hi,
Been trying a new fuel on the market here in Ireland. Previous fuel available was shocking. Let me know what you think.
https://datazap.me/u/pcurran/log-1531917308?log=0&data=1-4-11-25-26-27
Been trying a new fuel on the market here in Ireland. Previous fuel available was shocking. Let me know what you think.
https://datazap.me/u/pcurran/log-1531917308?log=0&data=1-4-11-25-26-27