Quote:
Originally Posted by radz28
So, if we accept around 3% power loss, per thousand feet of elevation, he's probably making closer to 1100 to the tire at an air density of around sea level?
Maybe there isn't much to be done outside of adding meth, unless he changes the VE of the engine.
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I would say at seal level with a DA of 0 it would definitely be in-between 1k-1100whp.
As of right now I think he could get through the 1/4mi with no timing pull in 60-70 degree weather. So it's likely fine as is. I might even be able to raise the IAT spark correction table to not pull timing until a little higher temp with race fuel. It's currently set to not start pulling timing until 154 MAT's. Won't really know how far I can stretch it out until we get some warmer temp logs. But yeah, meth could help with cooling as well if need be. I don't have a problem with it if it's used for cooling and not a fuel source.
Quote:
Originally Posted by JSH
I could also run it as-is with the 2.75 and wait until March T&T's to determine whether I need to put the 3" upper back on it. I'm trying to prepare now for racing next year at 8000-9000 ft. DA with much higher ambient and MAT.
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That's what I would do. I don't really see any issues with your setup tbh.