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Reply to "Head temperature gauge"

So you're halfway up a hill and just happen to glance at your CHT Gauge and, "HOLY HOTSHOT"!  It's kinda up there!   But you keep driving and once you're over the hill and heading down the other side the CHT comes back down to something lower.  

This is normal.   Aircooled engines swing CH Temps a lot.



One thing you discover out here in hill country is that when you’re pulling a grade in fourth and the temp starts to rise, downshifting will bring them back down. Increased R’s increase fan speed and the lower gear gives better mechanical advantage for the engine, requiring less work.

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