High ignition advance on low load/low RPM

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mrQQ
Posts: 64
Joined: November 25th, 2010, 6:06 pm

High ignition advance on low load/low RPM

Post by mrQQ »

Hi,

I've increased my timing on low rpms/low load, and really liked the affect.

Question: are there any long term side affects to this? Can I increase it too much even if I don't get KR?
mituc
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Re: High ignition advance on low load/low RPM

Post by mituc »

As long as you don't get KR...
2008 Cosmic Blue Mazda 3MPS
Built engine + WMI + GTX3071 gen2, ~550BHP @35PSI
2008 Icy Blue Mazda CX7
Built engine and stock exhaust (YES!!), JBR3" + GTX2867 gen2 + Autotech HPFP, self-tuned to 360-ish BHP
mrQQ
Posts: 64
Joined: November 25th, 2010, 6:06 pm

Re: High ignition advance on low load/low RPM

Post by mrQQ »

yes, but is it always true? no KR = higher the better?
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Steve @ VersaTune
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Joined: March 29th, 2010, 12:58 pm

Re: High ignition advance on low load/low RPM

Post by Steve @ VersaTune »

That is where a dyno will tell you whats right or wrong. It is possible to over advance and not get knock. Too much advance at low RPMs is hard on the rods.
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