Join Date: Feb 2009
Location: indep mo 64055
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Put 1 gallon of Rotella 10w40 and seems like it cranks too long...
Well the truck runs and drives fine, this past oil change and fuel filter change i went with 1 gallon of 10w40 and the rest 15w40 rotella because its supposed to be real cold this winter... first time ive done this, i had 3 gallons of this stuff and now only one truck.
So, the truck has brand new batteries and when i first fire the truck up it seems to crank longer than normal before it actually starts.
Say its like 20° outside and the truck isnt plugged in, it cranks for 5 seconds or more, the glow plugs work fine.
I was wondering if it had anything to do with the thinner oil i put into the truck?
Anyone else use 10w40 on their 7.3? Well, i had bought a 6.0 and the oil came with that truck, now the trucks gone i have 3 gallons sitting on the shelf for over a year...
Just wondering if the oil was keeping the injectors from firing off sooner.