Wha?!?! Us helicopter Engineers are never wrong! It's the Drafting and Manufacturing guys that misinterpret us! crapola
Late to the post I know, but how often does helicopter engineering come up???
Tough to compare military helicopters to commercial automobiles since military engines are held to much much more rigid specs. I.E. they could, and probaby are, designed to go several intervals without oil changes and show no wear etc.. So maybe a car going 50k between oil changes may require tailored oil.
Or, and pobably more so the case, the helicopters were designed a long long time ago with the latest oil available then and probably also the most experience/proven military grade of the time (so even older). And it would take and act of g0d to change the fleet to something new, especially when nothing is broken and cheaper to leave it as is. Where cars have new super duper 100% wiz bang synthetic stuff yearly.
And not just saying that cuz I'm also a Vortech guy...
Good luck on the procharger though! You'll love being S/C either way!
If I were to do it again, I would do anything MPH too...