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  #385  
Old 02-01-2014, 10:35 PM
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Re: Anyone tuned a CRD yet?

How adjustable is an ecu tune? If I want to switch from raw power to tow to fuel sipping how do I do that? With the bluespark I understand it's just turning a dial... Right?
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  #386  
Old 02-01-2014, 10:41 PM
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Re: Anyone tuned a CRD yet?

I know you don't want to hear it, but you get no adjust-ability on the road at all once its tuned, you can have it re-tuned for your requirements though.


What you're talking about is done automatically in the torque requests vs. pedal input voltage and in the injection timing / egt controls.

The bosch EDC ECU has a very broad range of control for varying driving conditions. We automatically have towing torque control in our maps, if you specify your main cruising speeds and load/size of trailer we generally estimate the request areas and modify them to suit also in some vehicles there is a switch in mapping when trailer loom is detected from the body control module.

You've been sold on this end user fidelity which is totally not needed for broad application.
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  #387  
Old 02-03-2014, 11:44 PM
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Having a fixed single map tuning with widely varying load demand is dangerous. If its tuned for high output with no towing, that's the only way I'd drive it. If the ECU has a single map to produce 300hp and high torque, I would NEVER tow heavy with that vehicle without a real time pyrometer and cautiously limiting my throttle to avoid high EGTs. Using the cruise control while towing with a high output tune is dangerous also. Trying to maintain speed on a grade with low rpm high output will burn up the turboand damage pistons in a matter of seconds. Watching the EGTs and manually upshifting and/or slowing down is necessary.

The BlueSpark has jumper pins and a radial switch that can be set for various outputs including stock. The vehicle must be stopped, hood raised, and BlueSpark front bezel removed to make the adjustment. Its not as good as an ECU tune but certainly more versatile. I wish someone made a switch on the fly tuner like my Ford Powerstroke has.

Now, if the Bosch unit can de-fuel based on high EGTs, that's a different story. I would like to know if this or some other detuning method is used to prevent damage....or is that what was just said above?
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  #388  
Old 02-04-2014, 02:41 AM
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Has any one had a pyrometer fitted to one of these late model jeeps grand Cherokee with the VM motors fitted mechanic pulled whole exhaust off then couldn't get pipe off back of turbo said only way to get it off to put pyro sensor in was to pull whole motor out ? Can you get egt readings from factory ECU ? Got to be a easier way than pulling whole motor out its a 2013 model.
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Old 02-04-2014, 02:51 AM
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Re: Anyone tuned a CRD yet?

Quote:
Originally Posted by ExcursionDiesel View Post
Having a fixed single map tuning with widely varying load demand is dangerous. If its tuned for high output with no towing, that's the only way I'd drive it. If the ECU has a single map to produce 300hp and high torque, I would NEVER tow heavy with that vehicle without a real time pyrometer and cautiously limiting my throttle to avoid high EGTs. Using the cruise control while towing with a high output tune is dangerous also. Trying to maintain speed on a grade with low rpm high output will burn up the turboand damage pistons in a matter of seconds. Watching the EGTs and manually upshifting and/or slowing down is necessary.

The BlueSpark has jumper pins and a radial switch that can be set for various outputs including stock. The vehicle must be stopped, hood raised, and BlueSpark front bezel removed to make the adjustment. Its not as good as an ECU tune but certainly more versatile. I wish someone made a switch on the fly tuner like my Ford Powerstroke has.

Now, if the Bosch unit can de-fuel based on high EGTs, that's a different story. I would like to know if this or some other detuning method is used to prevent damage....or is that what was just said above?

You missed the point.
The Bosch ecu is very adaptive to driving conditions which include towing, theres around 16 different torque request tables to play with... So you could say its more adaptive than a 8 step "chip". The 16 tables interact with each other to form one very large torque request table for different conditions which is completely fluid in transition.
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  #390  
Old 02-04-2014, 03:58 AM
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Re: Anyone tuned a CRD yet?

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Originally Posted by ExcursionDiesel View Post
No complaints. Mine causes an engine code if set too high. Performance and economy are both good....choose one, you can't have both! If I drive for economy, it is the same as stock but has power on tap when needed. Mine is set to E7 which is 2 clicks under max.
If you don't mind me asking, what settings threw codes?

I won't tow with a chipped car, and economy is not important, but it is important that I don't get the third degree from my local dealer at service time
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Old 02-04-2014, 04:55 AM
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Re: Anyone tuned a CRD yet?

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If you don't mind me asking, what settings threw codes?

I won't tow with a chipped car, and economy is not important, but it is important that I don't get the third degree from my local dealer at service time
My scanner allows one to erase codes. I got it to be able to read codes so as be one up on dealer bull shit but also to erase any codes I didn't want the dealer to charge me for.
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Old 02-04-2014, 05:10 AM
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Re: Anyone tuned a CRD yet?

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Originally Posted by Gasresearch-vt.se View Post
Hey SRT ROB, we are familiar with the VM models of the engine in these as its very similar to the Land Rover Discovery 4 (LR/Jaguar) and the Holden Colorado 2012+ (GMC).
I hope you are right but knowing how Chrysler work, I suspect the only similarity is that they have four wheels. I'd be happier if you had successfully remaped a few VMs first.
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  #393  
Old 02-04-2014, 06:07 PM
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Re: Anyone tuned a CRD yet?

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Originally Posted by BobT View Post
I hope you are right but knowing how Chrysler work, I suspect the only similarity is that they have four wheels. I'd be happier if you had successfully remaped a few VMs first.

We have done quite a few overseas in our network, you have to know I am an independent dealer of a larger tuning network from Europe.

I've personally tuned 6 2012-2013 VM Colorado engines here locally and over 250 diesels in the past year and doing another VM today actually. We basically specialize in Bosch as its what we do best.

My dealer in WA, AUST is tuning a 3.0 CRD this week and we have had contact from a forum member who is also in that state that will get his tuned from the same dealer. We do the software for this dealer so we can post the differences between the european and aussie models aswell.
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  #394  
Old 02-04-2014, 07:13 PM
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Quote:
Originally Posted by Pharmaboy View Post
If you don't mind me asking, what settings threw codes?
I get a code when I increment the radial switch above 7. Its a P072 I think..."Bank 0 too rich". It does it on part throttle conditions under mild acceleration when the motor is hot. Engine Oil is at 205 or higher and I'm merging into traffic, 2200 rpm with 20% throttle. Its not consistent. I can go for days on E8 or E9and then it will happen. It doesn't occur on lower settings. I think a sensor is not calibrated correctly or I have an older ECU flash because others run E9 without an issue.
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  #395  
Old 02-05-2014, 05:18 AM
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Quote:
Originally Posted by Gasresearch-vt.se View Post
We have done quite a few overseas in our network, you have to know I am an independent dealer of a larger tuning network from Europe. I've personally tuned 6 2012-2013 VM Colorado engines here locally and over 250 diesels in the past year and doing another VM today actually. We basically specialize in Bosch as its what we do best. My dealer in WA, AUST is tuning a 3.0 CRD this week and we have had contact from a forum member who is also in that state that will get his tuned from the same dealer. We do the software for this dealer so we can post the differences between the european and aussie models aswell.
I'd be very interested to to see some numbers (and dyno info if you get them) for the Aussie 3L VM Grand (ours is a 2011 and runs out of warranty end of August) so if you can post the info or a link it would be much appreciated
Chees Yoda
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  #396  
Old 02-10-2014, 05:31 PM
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Re: Anyone tuned a CRD yet?

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I'd be very interested to to see some numbers (and dyno info if you get them) for the Aussie 3L VM Grand (ours is a 2011 and runs out of warranty end of August) so if you can post the info or a link it would be much appreciated
Chees Yoda
Likewise! Any idea of cost? Where do you opperate from?
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