Cobb 3.3x Maps - Subaru WRX Forum
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#1 Old 07-04-2014, 01:26 PM
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Cobb 3.3x Maps

Hey Everyone.

I was doing my scheduled maintenance and i noticed that Cobb has new maps for us : )

3.3x released some time late June

Installed 3.31 ( 91 Octane + SF intake )

Ran around the neighborhood to let the DAM get up and let the ECU settle in with the new map and then took it out.

Its smoother than the 3.1x maps off the line at low RPM. It feels easier to drive smooth (especially with passengers) than the 3.1x map.

Target boost is higher than the 3.1x maps. Stage 1 target boost is 17 PSI instead of 16 on the same Stage 1 map. Fueling looks smoother and a bit leaner on the bottom so it should help with bog at low RPM

//MY EXPERIENCE//
Actual boost on the NWG map seems to be very low. ( 14.5 on my 1st pull ) Even with lower boost is felt better than the 3.1x map. I also grabbed the LWG and HWG as an emergency map just in case something wasn't right so I ran the HWG as a real time map and hit 16PSI on my second pull.

The HWG map felt very solid and the power band felt more natural than the 3.1x Map. It may be just my but dyno feeling the extra power that should be there at 16 PSI but i am very happy with the new maps.

TLDR Cobb released a new map. It seems low on PSI but the HWG map is great on my 13

Jason
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#2 Old 07-15-2014, 09:58 PM
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I also tried the new 3.31 91 OCT + SF intake NWG map on my 13 hatch this evening, and after a couple pulls only hit a peak boost of 13.5. It felt good, I don't think I would have noticed much of a difference in pull if my access port wasn't telling me I was boosting lower. I'll have to try the HWG map tomorrow and see how it works out. Are you planning on running the HWG map on your ride instead of the NWG?
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#3 Old 07-16-2014, 11:25 AM
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Quote:
Originally Posted by McBaine View Post
I also tried the new 3.31 91 OCT + SF intake NWG map on my 13 hatch this evening, and after a couple pulls only hit a peak boost of 13.5. It felt good, I don't think I would have noticed much of a difference in pull if my access port wasn't telling me I was boosting lower. I'll have to try the HWG map tomorrow and see how it works out. Are you planning on running the HWG map on your ride instead of the NWG?
My butt dyno was pretty happy with it as well until I checked the logs and was under by a bit more than a pound. I have been running the HWG map and getting acceptable results, 15.5psi on my logs. The only part of the map I dont feel good about, is it feels like the turbo starts to spool until later in the RPM range. When I hop on the throttle from cruise control at 3k the 3.11 maps had me already in a bit of boost just over 1 psi, with the new 3.31 map its still in vacuum and it takes a bit to start delivering the power. after this week I think I wills swap back to my old 3.11 map at least as a real time map so i can enjoy the spool speed..

I reached out to Cobb over the weekend and they have been getting reports of the NWG 3.3x maps under boosting in general. Apparently they have a technician up in Oregon working on the maps and they should be releasing a corrected revision under 3.4x in the next few weeks. That said there is nothing destructive about the 3.3x maps they just dont deliver the power you can have from some of their other OTS maps

Jason
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#4 Old 07-17-2014, 03:28 PM
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Good to know, I'll be waiting on the 3.4
I knew they released updates, but just wasn't in need of taking my AP out of the glovebox just yet.

Thanks for the info on under boosting and the new maps.

Randy-
2002 blaze WRX- sold:(
2004 Wrx-sold
2011 Wrx limited
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#5 Old 07-18-2014, 03:55 PM
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same problem here---12 wrx stage 1 93+sf. 331 maxed out at 14.92, went back to 311. now back at 17psi, give or take. 331 was a bust for my vehicle.
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#6 Old 08-15-2014, 08:51 AM
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Quick update---I decided to try 3.31 hwg. Seems to have fixed the underboost issue. Moderate driving this morning permitted 16.35 lbs I'm sure wot will get me closer to map target.

Seems like the removal of the slwg map effectively just pushed everyone up one map step. Silly.
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#7 Old 08-15-2014, 11:51 AM
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@pjkatz04 , I am in the same boat, I was under by almost a whole pound on the HWG 3.31 - I went back to my 3.11 map (hit boost target on normal streets and entered boost earlier accelerating on the highway)and haven't looked back. That said I have cobbs page on my radar every morning looking for a 3.4 map

Jason
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#8 Old 08-15-2014, 12:15 PM
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if I recall correctly, they say +/- 1.0 on a target of 17.5... so 16.5 would be good
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#9 Old 08-15-2014, 12:15 PM
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....and 18.5 would be better. =)
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#10 Old 08-15-2014, 12:44 PM
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I think the +/- 1.0 PSI is with their SWG map. I was 3-4 PSI under on the regular wastegate and 1.5 under on the HWG map.

The part that really bothered me was that I had to be closer to 3,750 rpm in 4th to really start building boost where as I start building at almost 3,000 with the 3.11 map. That means a downshift at 60 miles per hour puts me in boost when i downshift rather then during the lane change when I need to pass.

Heres to hoping it gets resolved quickly : )

Jason
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#11 Old 08-15-2014, 09:27 PM
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Just put the 93 AEM + DP Stage two on two days ago. Hit 18.9 no problem.

That felt good
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Randy-
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2004 Wrx-sold
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