anyone heard of this chip.
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the thing that turns me off about this product is that all applications including 2007 bugatti veyron have word for word identical descriptions, they only change the make/model, oh and all the prices are the same.. so basically the same exact part that add mpgs to the veyron works for our early 2k's discoIIs... I can have a laugh at that.
#18
ECU = Engine control unit - Wikipedia, the free encyclopedia
From following along on this post, many are very skeptical about ECU "re-mapping". I don't blame GF for not writing a different article for EVERY CAR out there, but hey, all re-mapping is typically the same no matter what car that uses electronic fuel injection. As mentioned, all you are doing is modifying data that is stored within the EEPROM.
From following along on this post, many are very skeptical about ECU "re-mapping". I don't blame GF for not writing a different article for EVERY CAR out there, but hey, all re-mapping is typically the same no matter what car that uses electronic fuel injection. As mentioned, all you are doing is modifying data that is stored within the EEPROM.
#19
as to the remainder of the question: piggyback chips are generally a terrible way to tune a car as ultimately you are just attempting to fool the computer into thinking different parameters exist than really do. there are some very sophisticated ones out there, but this does not appear to be one of those. the *proper* way to tune a vehicle is to flash a new tune onto the ECU - which I am certain that our OBDII vehicles are capable of...though I doubt anyone actually offers one, which brings me to my next point:
basically this tune is likely going to lean out the AF a bit to attempt to squeeze out a few extra horsepower and mpg. but it is not going to be anywhere close to 60hp. probably closer to 6. if that.
tunes are really effective on stock cars in two situations:
(1) it has an electronically controlled turbocharger or supercharger. the tune can increase boost and (hopefully) adequately compensate for it. this can easily result in horsepower gains of 60hp or more. our trucks, obviously, do not use forced induction, so this does not apply.
(2) the engine is significantly under-tuned from the factory using 87 octane. there have been a few cars that are, but they are not common. typically you're still only talking about maybe 15-20hp - and most of that is from the tune taking advantage of the switch from 87 to 93. our trucks already use 93.
edit:
I didnt initially think about this since I am used to performance cars - but as people do tow with these vehicles - I would absolutely NOT recommend running a chip while towing unless it is specifically designed for it. the increased load could cause some serious problems.
Last edited by Al Blue4.6l; 09-10-2011 at 11:37 AM.