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Old 04-01-2008, 02:17 PM
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I'm gonna bump up to 2b to see if I can get more HP.

It's gonna rain so I have to wait a couple of days.
Old 04-01-2008, 02:18 PM
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yeah, stupid rain coming in tomorrow. Razz: wanna do some data logging this weekend or early next week?

I lent my scanalyzer out but I might have it back by then. Let me know.
Old 04-01-2008, 04:33 PM
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would you rather have rain or snow?
Old 04-01-2008, 04:33 PM
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snow!
Old 04-01-2008, 04:38 PM
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your kidding me. well then again you live in georgia and havent had to deal with hundreds of inches of snow.
Old 04-01-2008, 04:40 PM
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I prefer rain when driving, snow when skiing.
Old 04-01-2008, 05:04 PM
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Originally Posted by Razz1
I'm gonna bump up to 2b to see if I can get more HP.

It's gonna rain so I have to wait a couple of days.
i was under the impression that the 2b type maps are fine tuning for the fuel trims, while the stage 1, 2, 3, are the means for more power.
Old 04-01-2008, 08:01 PM
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any idea on the power difference between stage 2 and stage 3?
Old 04-01-2008, 08:25 PM
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1_3a NA 1st Gear '04MT

Not sure what to make of 1st gear, it needs more fuel. (Felt a misfire also, dam OEM coils)
Attached Thumbnails Cobb AccessPORT Discussion-1_3a-1st.jpg  
Old 04-01-2008, 08:25 PM
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1_3a NA 2nd Gear '04MT

2nd gear felt great
Attached Thumbnails Cobb AccessPORT Discussion-1_3a-2nd.jpg  
Old 04-01-2008, 08:26 PM
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1_3a NA 3rd Gear '04MT

3rd was seeing the end of highway coming...
Attached Thumbnails Cobb AccessPORT Discussion-1_3a-3rd.jpg  
Old 04-01-2008, 08:27 PM
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1_3a NA 4th Gear '04MT

Had to get of the throttle...
Attached Thumbnails Cobb AccessPORT Discussion-1-3a-4th.jpg  
Old 04-01-2008, 08:28 PM
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1_3a NA 1st-4th Gear '04MT

Total Run with a weak 4th gear throttle
Attached Thumbnails Cobb AccessPORT Discussion-1_3a-1st-4th.jpg  
Old 04-01-2008, 08:28 PM
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how does it feel compared to being stock?
Old 04-01-2008, 08:31 PM
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I bought the AP!!! sweet deal. now i just have to get MM's email address
Old 04-01-2008, 08:32 PM
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Originally Posted by mysql
i was under the impression that the 2b type maps are fine tuning for the fuel trims, while the stage 1, 2, 3, are the means for more power.
You are correct. I meant bump up to stage 2

Good catch. Do not to confuse our family members.
Old 04-01-2008, 08:32 PM
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I think a dyno tune is needed once I get all my mods complete. Need some airline tickets Jeff? All in all, the car feels strong. Still have not decarbed it with Seafoam yet.

65K on the OD BTW



I have United Bonus Mileage to use...
Old 04-01-2008, 08:56 PM
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Originally Posted by Nemesis8
I think a dyno tune is needed once I get all my mods complete. Need some airline tickets Jeff? All in all, the car feels strong. Still have not decarbed it with Seafoam yet.

65K on the OD BTW



I have United Bonus Mileage to use...
If you take that offer up I will help split the cost and drive down to seattle to get the car tuned depending on when you come! :o
Old 04-01-2008, 09:01 PM
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you guys saw steve kan is coming to washington ,right? at the end of may and he is a cobb retailer as well now

https://www.rx8club.com/nw-rx-8-forum-33/steve-kan-tuning-day-123401/
Old 04-01-2008, 09:08 PM
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^ Yes, but would he mess with Jeff's maps and a lowly NA Renesis - LOL
Maybe once all this shakes out and gets a better long distance tune, then maybe we can organize an event in Portland or Seattle. I'm half way between both out here in the sticks... Since I'm running Jeff's maps, I will stick with him as my tuner. Steve has not contributed to our little piece of rotor heaven like Jeff has.

Last edited by Nemesis8; 04-01-2008 at 10:28 PM.
Old 04-01-2008, 09:17 PM
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For Old Times Sake...

A couple of years ago, maybe even three, my AFR looked like these old dynos. Notice the two leaned out curves, those were with the E-Mangle CZ installed.
Attached Thumbnails Cobb AccessPORT Discussion-sae_corrected_smoothing_5sm.jpg  
Old 04-01-2008, 10:59 PM
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Do you guys think it's worth going to a cobb dealer and getting a custom tune? Cobb has a few dealers in IL the work with the AP http://www.pandlmotorsports.com/tuningservices.htm
Man but $199 per hour.
Old 04-01-2008, 11:33 PM
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Today is my 6th anniversary working at a company that builds mass air flow meters and controllers (laminar flow, not hot wire measurement). You'd be amazed on how many tech-types, applications engineers, grad students, and purchasing groups from around the world that I have to explain why they need to be measuring mass flow vs. volumetric in their application, and the general difference between the two. I can certainly see why the MAF tube discussion within this Cobb AP thread has gotton a little bloated


Originally Posted by kristopher_d

We're talking about a SAMPLING of MASS.

crh is right, the biggest issue is misunderstanding of terms, by mulitple parties, due to both attempts at simplifying the problem and likely issues with vernacular being used when scientific definitions are required.

Last edited by Chamberlin; 04-01-2008 at 11:35 PM.
Old 04-02-2008, 02:49 AM
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^^ Holy f-ing thread jack!
I guess I started it!

I wish I could say I read it all, but, I didn't. Sorry.

Originally Posted by cheeto
here is something to shoot for then.
11.5 = Approximate rich best torque at WOT
12.2 = Safe best power at WOT
13.3 = Approximate lean best torque
Subtract one and a half AFR points from each of those targets for a boosted rotary.

Originally Posted by mysql
JSure enough, I filled up and I had 17.4 mpg!
I just did a 300 mile tank of gas coming back from Vegas. That's over 21 MPG.
That is a 50% improvement over my regular milage before the AP.

Originally Posted by cheeto
I bought the AP!!! sweet deal. now i just have to get MM's email address
ap@mazdamaniac . com - Drop the spaces.

Originally Posted by Nemesis8
Steve has not contributed to our little piece of rotor heaven like Jeff has.
Steve's a good guy.
That said, he is really new to OE PCM tuning and his interests with Cobb are mainly with the G35 and the 350Z.
Old 04-02-2008, 07:31 AM
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Originally Posted by MazdaManiac
^^ Holy f-ing thread jack!
I guess I started it!
Yep, sorry bout all that.

Originally Posted by MazdaManiac
I just did a 300 mile tank of gas coming back from Vegas. That's over 21 MPG.
That is a 50% improvement over my regular milage before the AP.
My mileage has gone up also. I filled up this morning and got 21.8 mpg this tank and got over 22 last tank. Both were on your maps and both were on my typical 70/30 Hwy/City driving. Before I was lucky to get 18 mpg. That's a quick 20% mileage increase on an N/A car.


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