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| reply to Insight
Re: V8 high performance: 4matic v RWD Yes, I suppose they use an Adjustable Powerband:
»kalecoauto.com/index.php?main_pa···ts_id=36
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The talented hawk speaks French. |
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| As I am sure you know modern high performance engines in production or passenger cars are chip tuned to impact the firmware of the EMS. The engines normally are detuned to produce less than their maximum power to among other reasons increase the life of the engine and gas mileage. There are, of course, other adjustments or modifications that can be made but that is the procedure that I was specifically referring to in my previous post.
In a high performance V8 the power can be electronically increased to more than compensate for the extra 200 pounds of a 4matic drive in for instance a Mercedes E550. It’s a quite simple electronic adjustment when done by a skilled technician |
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 mobOn the next level..Premium
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| said by Insight:As I am sure you know modern high performance engines in production or passenger cars are chip tuned to impact the firmware of the EMS. The engines normally are detuned to produce less than their maximum power to among other reasons increase the life of the engine and gas mileage. There are, of course, other adjustments or modifications that can be made but that is the procedure that I was specifically referring to in my previous post.
In a high performance V8 the power can be electronically increased to more than compensate for the extra 200 pounds of a 4matic drive in for instance a Mercedes E550. It’s a quite simple electronic adjustment when done by a skilled technician
It's technically possible to sit a workstation, build a tune and load into an ECU without a dyno for tuning purposes, you'll probably not like the results.
And yes, some ECU profiles are made to increase the service life and reduce operating costs. That being said, when you start dropping $100,000 plus for a car, the chances that an ECU profile update can wring out enough extra power to compensate for an extra 200lb on the vehicle is probably going to happen without upgrades or an additional power adder being installed on the engine are not good.
100lb roughly translates to .1 second in a drag race, so they would have to make the AWD car "faster" just to keep up with the RWD only model, just to stay equal in terms of absolute performance.
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