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Old 12-03-2011, 08:32 AM
ricekikr ricekikr is offline
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Join Date: Jan 2011
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Default Running Pure Meth - Use UEGO as failsafe?

AEM sells a gauge, which shows flow. They say its useful because blockage occurs over time, ie. the gauge will gradually show lower and lower flow over time if blockage is occurring. (basically not a failsafe, but good for monitoring)

Question is, if running pure meth or even 50/50, will the UEGO be enough to show if the Meth system is failing, ie. it will run leaner and leaner over time. Or is flow monitoring system really necessary (which costs as much or even double the basic meth kit)?

Problem is I don't have an AFR failsafe (I just have the gauge). ie if it goes lean too quickly it goes boom. But I'm hoping to catch the lean AFR if blockage occurs over time, and just use a meth low level switch to cut boost if I run out of meth(which I read is the reason most engines go boom).
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