As ambient temp drops the air is more dense, and when it really gets cold like 40 below
(farenheit and centigrade are both the same temp at 40 below so it does'nt matter), diesels need some real innovative treatment to start at all.
I would say if you have plenty of power and a precise method of measuring intake temps, it would be a worthwhile experiment.
The benefit would be (more than likely) at lower ambient temps compared to atmospheric.
It may be significant when the differences between the two become significant, but if you can control the incoming air temp fairly precisely then you can tell us what you found.
It might be surprising.
regards
Mech
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