- Sat Nov 05, 2016 8:21 pm
#13993
Is Speedy ever going to get individual cyl timing, ie a table for each IGN channel, or is it beyond the software/hardware.
Old Grey wrote:Is Speedy ever going to get individual cyl timing, ie a table for each IGN channel, or is it beyond the software/hardware.Out of curiosity, what would be the criteria for having a different ignition curve or advance setting for each cylinder?
Old Grey wrote:Sorry, I should have thought about such a stupid question before asking it because no one is going to spend $1000's on a dyno for such marginal gains with a $150 EMS.This is actually useful for less extreme engines as well, take the good old air cooled Vw engines, the stock points distributers often had different timing for #3 as it run hotter then the rest...
In racing things like cylinders running hotter than others not being able to handle as much timing, fuel distribution with carbs, or common plenums experiencing fuel inertia on launch, even symmetrical chambers might have different thickness walls due to casting, etc. But that being said you would only chase things like that when you are running out of areas to gain power in highly competitive situations.
Old Grey wrote:Only the big boys can treat each cyl as an individual engine, because it takes a lot of resources and money.I must completely disagree with that. Every engine should be treated as multiple one-cylinder engines, as that is the only way to get the most out of each, and therefore the whole, for any application. This is true whether it's a commuter car or serious comp car. Individual cylinder ignition trim (I will call it ICIT) is very handy to average tuners, as you can see issues or opportunities and take advantage of them.
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