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Christ · 07-18-2009, 11:59 PM

Probably 50 MPH, since the lack of load at higher RPM's following the tractor is putting you outside the good area for BSFC. (Sure, you're using less fuel than you would at 70 normally, but you're still revving quite a bit higher as well. I think the higher revs outweigh the aero reduction.) Speculatively, of course.

Yeah, it's dangerous. It's also quite common these days.

24, 25 next Feb.

07-18-2009, 11:59 PM	#2 (permalink)
Christ Moderate your Moderation. Join Date: Nov 2008 Location: Troy, Pa. Posts: 8,919 Pasta - '96 Volkswagen Passat TDi 90 day: 45.22 mpg (US) Thanks: 1,369 Thanked 430 Times in 353 Posts	Probably 50 MPH, since the lack of load at higher RPM's following the tractor is putting you outside the good area for BSFC. (Sure, you're using less fuel than you would at 70 normally, but you're still revving quite a bit higher as well. I think the higher revs outweigh the aero reduction.) Speculatively, of course. Yeah, it's dangerous. It's also quite common these days. 24, 25 next Feb. __________________ "¿ʞɐǝɹɟ ɐ ǝɹ,noʎ uǝɥʍ 'ʇı ʇ,usı 'ʎlǝuol s,ʇı"