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Message: [QUOTE="Hotrodtractor, post: 177912, member: 25"] Both highway and marine are often steady state constant loading situations - running them over 1250* for a prolonged period of time will typically result in high levels of heat soak and component failure. You are not operating under the same conditions during a drag race where you have a short period of WOT full load immediately followed by a period of cool down. Your entire run is what 13 seconds long? There is no heat soak to worry about with a run that length of time. The probe is in the exhaust gas stream and its true that it is what the temperatures of the gases are - but it is not allowed enough time to sufficiently heat up the major components to cause damage at 1600*. Now if you increase the temperature delta up to say above 2200* then you get some more heat transfer and depending on your run you might have something more to worry about - but that gets to still be a case by case basis because there is a big difference between just touching 2200* and holding it there for say 15 seconds. Fix your boost issue - all of this is meaningless until you fix that. [/QUOTE]

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