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Disappointed in Bama tune

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Old 11-04-2013, 10:47 PM   #1
jayed53
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Default Disappointed in Bama tune

So long story short, I decided to go back to stock on my 2013 GT. I just cant seem to get the Bama 91 Race tune to function on my car. I think its running pretty lean when it gets above 4500 or so rpm. It sounds like a rattle or buzzing sound. The stock tune runs strong and feels great, so not sure what's up. I've taken 3-4 data logs and sent them in but I just cant seem to get one to run correctly. Can anyone decipher what I should be looking at in my datalogs? My knock sensor reading goes from -4.5 to 6, with a reading of 5 at WOT. I'm thinking I may try out a Steeda tune, since im using their intake just to see the difference, I just don't want to pay 150 when I already paid for a tune. I just want my car to run strong and not have to worry. Anyone have any feedback on the Steeda tunes for the 2013?
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Old 11-05-2013, 07:01 AM   #2
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Data-log your stock tune with your stock CAI. If you are getting knock and it pulls timing on your stock tune, then you are probably getting bad fuel. Or you may be getting a leak somewhere between the throttle body and where the CAI tube connects to the MAF housing. Just don't run the stock tune at WOT with the Steeda CAI in.
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Old 11-05-2013, 09:40 AM   #3
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Quote:
Originally Posted by jayed53 View Post
So long story short, I decided to go back to stock on my 2013 GT. I just cant seem to get the Bama 91 Race tune to function on my car. I think its running pretty lean when it gets above 4500 or so rpm. It sounds like a rattle or buzzing sound. The stock tune runs strong and feels great, so not sure what's up. I've taken 3-4 data logs and sent them in but I just cant seem to get one to run correctly. Can anyone decipher what I should be looking at in my datalogs? My knock sensor reading goes from -4.5 to 6, with a reading of 5 at WOT. I'm thinking I may try out a Steeda tune, since im using their intake just to see the difference, I just don't want to pay 150 when I already paid for a tune. I just want my car to run strong and not have to worry. Anyone have any feedback on the Steeda tunes for the 2013?
I'm sorry to hear about your Bama tune! We send out thousands of tunes and build them all from the ground up for your PCM code and your mods. They're not just "canned" tunes, they're built custom by our team, so every once in a while it's possible we mess one up! We'll definitely get it straightened out for you, though!

Shoot me a PM with your order number included and I'll get you in direct contact with our head tuning specialist. I'm confident he'll be able to figure out what's going with your tune and get you squared away, quickly!

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Old 11-05-2013, 05:06 PM   #4
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Ok Dan, ill send you my order info...thanks a ton for looking into this for me. I had a tune on my 06 GT from you guys and it was GREAT, just want to get this one dialed in to where its safe and powerful.
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Old 11-05-2013, 06:30 PM   #5
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Data-log your stock tune with your stock CAI. If you are getting knock and it pulls timing on your stock tune, then you are probably getting bad fuel. Or you may be getting a leak somewhere between the throttle body and where the CAI tube connects to the MAF housing. Just don't run the stock tune at WOT with the Steeda CAI in.
SO what should it look like in the datalogs if its pulling timing? This is for my own learning, just want to know what kinds of things to look for...
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Old 11-06-2013, 12:06 AM   #6
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SO what should it look like in the datalogs if its pulling timing? This is for my own learning, just want to know what kinds of things to look for...
I think the stock tune commands 24 degrees spark advance at WOT and peak RPM. Your Race tune is probably commanding 25.5 to 26.5 degrees spark advance. If you are getting Knock activity and are only seeing around 18 to 22 degrees spark advance on a WOT pull @ 6800 rpms, running Stock tune and stock CAI, this could mean your getting some crappy fuel. I've ran into this problem in the past, even running Exxon and Shell 93 octane.
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Old 11-06-2013, 09:27 AM   #7
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Originally Posted by jayed53 View Post
Ok Dan, ill send you my order info...thanks a ton for looking into this for me. I had a tune on my 06 GT from you guys and it was GREAT, just want to get this one dialed in to where its safe and powerful.
Absolutely. I've sent your information over to the Bama team and they'll be reaching out to you shortly!

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Old 11-06-2013, 05:12 PM   #8
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Originally Posted by Deranged2013 View Post
I think the stock tune commands 24 degrees spark advance at WOT and peak RPM. Your Race tune is probably commanding 25.5 to 26.5 degrees spark advance. If you are getting Knock activity and are only seeing around 18 to 22 degrees spark advance on a WOT pull @ 6800 rpms, running Stock tune and stock CAI, this could mean your getting some crappy fuel. I've ran into this problem in the past, even running Exxon and Shell 93 octane.
Thanks for the info man. Ya, looking at my logs, its showing 18 spark at WOT while seeing 5-6 knock. I am in touch with Don at Bama performance, he left me a message today. It very well could be that my last like 5 tanks of gas have been bad, or a problem with my car. But like I said, with the stock tune, the car pulls fine and feels great. I have no doubt that BAMA will do everything they can to help out, the purpose wasn't to bash them or anything, had great results in the past, just trying to get some help with the tune.
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Old 11-06-2013, 05:26 PM   #9
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when i had the stock intake, the performance tunes ran best for me, 91 performance while using 93 octane to be specific felt like the best for me.

with a steeda intake, bama's 93 octane race tune with 93 octane is amazing

also, what tuner do you have, and how exactly do you log it?

also, what is the status of your sound tube?
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Old 11-06-2013, 06:11 PM   #10
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I have the 101 MM steeda intake with the sound tube connected, I have the 3015 sf3/x3, running Bama 91 Race.
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Old 11-06-2013, 06:21 PM   #11
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Also, what kind of gas do you guys use? I've been using 91 octane Shell, but want to try something else to rule out gas....
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Old 11-06-2013, 07:32 PM   #12
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I run 91, and my car does great no issues. If your still having issues I would look for a good tuner that knows how to custom tune Mustangs. That WILL always work better in the long run Bama is nice but very conservative so nothing goes wrong.
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Old 11-07-2013, 09:58 AM   #13
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I am currently using my 93 custom tune from Brenspeed. I get 93 octane fuel at either Quicktrip or Chevron and haven't experienced any issues.
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Old 11-07-2013, 11:06 PM   #14
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Quote:
Originally Posted by jayed53 View Post
Thanks for the info man. Ya, looking at my logs, its showing 18 spark at WOT while seeing 5-6 knock. I am in touch with Don at Bama performance, he left me a message today. It very well could be that my last like 5 tanks of gas have been bad, or a problem with my car. But like I said, with the stock tune, the car pulls fine and feels great. I have no doubt that BAMA will do everything they can to help out, the purpose wasn't to bash them or anything, had great results in the past, just trying to get some help with the tune.
Buy some Torco Accelerator and run that for about 100 miles and then data-log again. If your logs look good, then it's bad fuel.

http://torcoracefuel.net/pro-accelerator.html
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Old 11-08-2013, 04:53 PM   #15
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" Bama tune" ?? didn't know your president was into performance cars


sorry bad humour and can't help myself
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Old 11-10-2013, 05:14 PM   #16
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Also, what kind of gas do you guys use? I've been using 91 octane Shell, but want to try something else to rule out gas....
i use shell 93 octane

what is the status of your sound tube?
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Old 11-15-2013, 01:00 PM   #17
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I wish I didnt live in cali only run the 91 tune but no problems but make sure u fill that paper work out right I made one mistake and my car ran like **** but bama took care of me
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Old 11-20-2013, 01:05 AM   #18
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Shell, Exxon or preferably Chevron 93 octane. I doubt it's a fuel issue. A slight ticking of the lifters is something that can happen when running $#!tty fuel on hot days. I switched to a 93 Brenspeed tune from an 87 (I forget the point of me asking for an 87) and it almost eliminated the problem. It is NOT a knock. Likely valve clatter. Think I'm going to schedule a dyno tune with Brenspeed to get it tuned perfect.

From what you're explaining, it sounds like you have an issue with the car running lean. Which means too much air/not enough fuel. It will do fine until it gets to upper RPM's and then trip a light and feel underpowered. Your engine derated at that point to save itself.

Check:

MAF sensor plugged in/clean/functioning properly. Check around few threads about cleaning a MAF sensor.

Breather tube from cam cover to intake is whole. (If the 5.0 has one. It's got to have a way to maintain crankcase pressure, but I'm a 4.6 guy.)

Intake tube is whole and not leaking at throttle body, filter, or in between.

Last and most obvious, ensure that Bama/Brenspeed/Steeda/WHOMEVER has the complete and correct list of ALL aftermarket go fast parts installed AND that they have the proper codes from your ECM if you have gotten a factory update at somepoint. My 06 had been reflashed at some point with updated protocols and that rendered my first set of Brenspeed tunes defunct. A simple phone call checked this, but you need to make sure your tuner knows whatever they need to know.

Part of that is your job, but what you really need is an experience tuner to ask the right questions.
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Old 12-22-2013, 02:37 PM   #19
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OP, I see you are in Colorado. What is your elevation? Could be an issue with that. Just a possibility but that should cause you to run richer I would think so I'm not sure why your car is knocking. Could be timing like a previous poster said.
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Old 01-21-2014, 02:49 AM   #20
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Ever get this worked out? I ran a datalog tonight on partial pulls and one WOT pull and I'm also getting a lot of knock sensor retard readings running the 93 octane performance tune. Spark is dropping to 21-22 or so. Going to try to add fuel and/or reduce timing. Also my lambda shows 0.84, I know on my old 06 GT it was 0.89 or so but of course that is a different engine. On the 06 GT it ran 26.5 or so spark solid, on my 2011 GT it is jumping all over the place likely due to the knock sensor backing it down.
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Old 01-21-2014, 02:49 AM
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