whats the extra money for?
hey guys,
Can anyone tell me what the main difference is between the chip express at $650, or the chipit at $1000 or so is compared to the no limit chip at around $150.
i''ve read the chip express comes with plugs so there is no soldering but what else is different? i've got the no limit chip, and it took me all of 2 hours to put in, so its not real big deal putting it all in.
just wondering is it worth upgrading to this chip or is it all just the marketing hype these chips come out with?
i was reading on their website
"By making your engine significantly more fuel-efficient, the CHIP Express™ digital tuning system means you can achieve substantially better economy from your 3.0 DI too. You'll drive on a smaller throttle opening for a given speed and change gear less, getting you further on a tank of diesel"
the no limit chip can claim the same as well i guess, all the chips does is take your throttle input and add a percentage to it so that the fuel pump puts in more fuel, at that given throttle position.
eg;
throttle at 50%, chip gives the pump 60%.
so high way cruise you may use 35% without the chip, with the chip you may only be putting in 25% throttle position, the chip then makes up the other 10%. hence what was spoken about earlier in the thread that highway cruise egts were the same with or with out the chip. same amount of fuel is going in.
does the chipexpress or any other brand of chip do something different on these zd30's?
dont get me wrong i know they add a heap of pulling power, i can feel it in my ute. i'm guessing that's because some of the limiting the ecu does for emission control on take off and some driving situation is counteracted by the chip adding that extra % of throttle.
maybe this is where some of the fuel saving is coming from that people and chip company claim. by getting to speed quicker and with less "lugging" through the revs.
i'm just wondering whats the extra cost get me? buy a local one and get a few years warranty on it? nearly just as cost effective to buy a new cheap chip each year for he price of one expensive chip and its warranty period. I've had my chip for nearly two years and its still fine so i'm already ahead and who's to say it wont be fine for another years.
if the chip express came with an egt cut out controller or even tapped into the water temp reading for the ecu to monitor the engine it would be well worth the extra IMO but for it to just hook into the pump, and take the throttle .5 to 5v reading and fudge it i'm really not understanding the extra cost? does the extra cost just come into what programming they put into the $3 EPROM that is soldered onto the PCB?
Love to hear your opinion? i'm by no means an expert on these engines or these chips, but my line of work involves me dealing with PID loop controllers, signal isolators, converters and the like, so i would love to learn a bit more about the diesel engine chips and how they differ between the cheap and the expensive.
Cheers
Cameron.
