Stock ignition system is more then enough. We run standard ignition on our mild built b20with E85.
Your not looking at 200+KW or the cylinder pressures that turbo engines produce that literally blow out the spark, 150KW/12-13.0:1 would'nt present a problem for the stock ignition system.
In saying that, people both n/a and boosted produce big power on stock systems, but they will pop,fart,carry if every component isnt near new and then rev's play a factor as it is often raised considerably with most of the engines producing big power.
Yor the cylinder pressures that turbo engines produce that literally blow out the spark,
When a power stroke misfires the spark doesn't get "blown out", it fails to eventuate. When cylinder pressure is increased it takes more voltage to jump the plug gap with a spark.
This is why you can get a plug that sparks fine when not installed in the cylinder (i.e. at atmospheric pressure), yet fails to fire the cylinder when it is installed. This is also why such high voltages are required in the HT side of the ignition system (if it weren't for cylinder pressures then much lower voltages would work fine), and why some OE coils (typically older designs, pre 'electronic' ignition) need to be replaced with higher output units when CR is raised or the engine is supercharged.
Your not looking at 200+KW or the cylinder pressures that turbo engines produce that literally blow out the spark, 150KW/12-13.0:1 would'nt present a problem for the stock ignition system.
In saying that, people both n/a and boosted produce big power on stock systems, but they will pop,fart,carry if every component isnt near new and then rev's play a factor as it is often raised considerably with most of the engines producing big power.
Oh... hmm if i add a blower to the end of the motor it might hit 200kw? meh ....
stock ignition ftw
You turbo lads stop fiddling around with tiny stuff and start racing.
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Originally Posted by fatboyz39
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