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I did notice that when pulling a hill, nothing major just an average uphill, that the EGT would get to say 1000-1100 in 6th but the boost would stay lower say 18 psi. If I shifted to 5th I would get lower EGT by 100-200 but more boost by 4-6psi. No change in speed, just the gear. So what's better for economy, lower EGT or lower boost?
Steady state, flat land 60 mph it runs about 675 EGT and 9 psi boost.
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