senergy wrote:searching through ebay i found this
http://cgi.ebay.com.au/Intake-mod-Chip- ... dZViewItem
Intake mod chip for Feroza.
After a bit of reading between the crap, its just a resistor that tells your ecu you are getting cooler air so the ecu forces more fuel into it.
Wouldnt advancing the timing a few degrees manually do the same thing?
can someone explain it a bit better what this resistor will actually do
Possibly the mod will explain how to advance your timing (along with the resistor)... im not a mechanic but I know that adjusting your timing basically changes the time when your sparkplugs fire, early or later..
good quality petrol like ultimate 98 can be put in a car and you can advance the timing and probably pick up a bit of performance on the cheap...
ive messed around with this on my old suzuki sierra, basically the head had been replaced, which increased compression which meant sometimes it was pinging (strange ticking sound you hear when engine is under power) so if I ran ultimate98 it would usually be sweet with a bit more power, or i could take the timing back and run standard petrol with slightly less power...
pinging/detonation is basically when the fuel is burnt at the wrong time (too early/late)
when an engine pings, it looses power, and its more likely to ping when your engine is hot.. so if you advance the timing, you may gain an extra tiny bit of performance but as soon as you push it and it gets hot and starts pinging you will actually have less performance then what you had before..
in Most modern cars they leave a bit of lee-way from factory to stop any chance of the engine pinging, so you may be able to advance it to pick up a bit of performance, but the reliablity of the car will suffer - if it starts to ping you will slowly be hurting your engine.
So the reason I dont mess with it too much is that I'd rather have a good reliable engine, then one that is running on the edge and may ping when hot or when i get bad quality fuel..
this kind of thing (petrol quality etc) is also loosely related to why japanese cars sometimes come out with more power in the japanese versions - they are advanced and tuned for better quality petrol.
