What mph do you all drive in a van. I try to keep it 60 65 depending on the speed limit but that is so boring and getting passed by everyone gets schetchy
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I'm avg. 16.8 @ 60 mph in my box truck. I just hang out in the right lane of the 401. Very relaxing.
Ideal cruising speed 63 mph @ 2000 170 degrese F. 9 mpg
65mph @ 2300 r.p.m. engine temp - 180 deg ferinhite 8.5 mpg
Step it up to 70 mph @ 2400 rpm engine 190-200 deg. ferinhite milage 6.0 mpg.
It involves knowing your equipment.
First, track your M.P.G. engine temps, and rpm if you have a tach or install one if its feasable do this at 60, 65, and 70 if its legal. Start by filling your tank, write down the milage or use the trip ometer if you have one and it works. When you fuel again divide the miles by gallons burned this gives you your M.P.G. Try to keep the driving conditions, and terrain the same. All highway non mountain is ideal this you can use as an average. Also intalling a tachometer is helpfull because when you learn the "sweet spot" the ideal engine R.P.M. you can use this info to adjust your driving and the ammount of fuel you use and keep your engine temps down especialy on hills. For Example. I run a 2003 International 24 foot box DT466 with an Allison 2000 series trans 403 city rears.
Ideal cruising speed 63 mph @ 2000 170 degrese F. 9 mpg
65mph @ 2300 r.p.m. engine temp - 180 deg ferinhite 8.5 mpg
Step it up to 70 mph @ 2400 rpm engine 190-200 deg. ferinhite milage 6.0 mpg
running an engine at 3000 R.P.M. is useless when 95%of useable output is used up at 2200 rpm milage tanks, and the extra heat takes a toll on any engine. Heat kill engines and transmissions your Transmission works like a heat sink as well as making its own heat and they dont cool well The faster you drive the more fuel you burn and wear and tear.Most importantly there is no load that is so hot that it wont get cold if you break down or worse yet get into a wreck.
Usually 5 over whatever the speed limit is...unless it is a long over the weekend no hurry run, then the speed limit....i just checked the fleetvison and on my trip out here to EL Paso,a straight thru a few hours nap type run of 1100 mile, in Texas where the speed limit is 75......well...if safety wants to know, they can look for themselves...
And yea slowing down will save you money....