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  #109  
Old 01-31-2014, 11:47 AM
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Re: For those who are thinking about Bluespark...

Ford was voiding claims when they saw the star pattern on pistons too. They said the turners would cause these patterns because of the fuel delivery. So you have to pay to play.
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  #110  
Old 02-07-2014, 05:44 PM
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Re: For those who are thinking about Bluespark...

Yup. They got wise to it long ago on diesel pickups. Now they know what to look for. No NSA, CIA, or FBI investigations required
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  #111  
Old 03-01-2014, 01:02 PM
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KuJust did a few 0-60 runs yesterday. With no passengers and a 1/4 tank, I consistently got 6.7s. I was in Sport mode and held the brake to spool the turbo. The initial launch is awesome.

Now, that being said, I drive for economy not performance 99% of the time. It sure is nice to know that v8 performance is hidden and available when needed. My economy is the same as stock otherwise.

Disclaimer: I'm using a Scanguage 2 meter which looks at distance over time, which is OK with no wheel spin. It could be off. It read 7.8 with the tuner set to stock so its a relative improvement.
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  #112  
Old 03-02-2014, 12:03 AM
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Re: For those who are thinking about Bluespark...

Are you guys seeing a noticeable improvement on turbo lag? I've seen some mentions that it does and some it doesn't.

Also, not sure if this is related to turbo lag or just trans programming, when accelerating after slowing down, but not stopping, it seems like the accelerator and actual forward momentum are out of sync. Example, rolling up to a yield, but not a complete stop, then getting back on the accelerator. It seems like there is a second or so lag before anything happens. Anyone else experiencing this? Curious if the BlueSpark helps in this scenario too.
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  #113  
Old 03-02-2014, 12:35 AM
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The Bluespark has different selectable fueling "curves". I forget the sequence but basically A is stock, B is economy, C is torque, D is ?, and E is highest performance.

Some of the settings made lag worse. The ones optimized for low end torque improved the lag. I ended up on E and lag is slightly better than stock but medium to heavy throttle is pretty aggressive compared to stock.

Anytime the engine returns to low power, reapplying power requires the turbo to spool up again. A more aggressive push on the accelerator will add fuel, make exhaust heat, and spin the turbo quicker. All turbos behave this way in varying degrees. I don't even notice it anymore since I don't drive any normally aspirated cars regularly.
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  #114  
Old 06-30-2014, 09:51 PM
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Re: For those who are thinking about Bluespark...

Hey Excursion. Been about 4 months since your last post on this thread. I am curious if you are still happy with it? What final setting did you end up keeping it on? And have you taken yours in for the computer reflash tsb or any other service? (If so did you just remove it and put it back on after?) Thanks.
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  #115  
Old 06-30-2014, 10:32 PM
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Re: For those who are thinking about Bluespark...

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Originally Posted by Goonbash View Post
Hey Excursion. Been about 4 months since your last post on this thread. I am curious if you are still happy with it? What final setting did you end up keeping it on? And have you taken yours in for the computer reflash tsb or any other service? (If so did you just remove it and put it back on after?) Thanks.
I am happy with the performance gains and overall drivability. I just un-installed it due to a unrelated DEF issue which requires a dealer visit.

My Jeep is calibrated different or has out of spec sensors so I have not been able to run on E9. I get a P0172 - Too Rich (Bank 1) code that sets the CEL. E5 is error free. E7 used to be error free. I think my MAF sensor is degrading or something. Others are running E9 error free.

One other issue is with transmission shudder. This is a torque converter or valvebody issue...not caused by a tuner but is more noticeable with the greatly enhanced torque. Its called fishbites on this forum.

Non of my issues are related. Once I have the TSBs and DEF issue resolved, I'll reinstall.
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  #116  
Old 07-01-2014, 02:11 PM
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Re: For those who are thinking about Bluespark...

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Originally Posted by ExcursionDiesel View Post
I am happy with the performance gains and overall drivability. I just un-installed it due to a unrelated DEF issue which requires a dealer visit.

My Jeep is calibrated different or has out of spec sensors so I have not been able to run on E9. I get a P0172 - Too Rich (Bank 1) code that sets the CEL. E5 is error free. E7 used to be error free. I think my MAF sensor is degrading or something. Others are running E9 error free.

One other issue is with transmission shudder. This is a torque converter or valvebody issue...not caused by a tuner but is more noticeable with the greatly enhanced torque. Its called fishbites on this forum.

Non of my issues are related. Once I have the TSBs and DEF issue resolved, I'll reinstall.
Were they able to still honor warranty etc even after uninstalled tuner?
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  #117  
Old 07-01-2014, 02:32 PM
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Re: For those who are thinking about Bluespark...

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Originally Posted by hi2nr View Post
Were they able to still honor warranty etc even after uninstalled tuner?
So far so good. My dealership in Kentucky is friendly. The problem I'm having is unrelated. We'll see.
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