Home |
Search |
Today's Posts |
#21
|
|||
|
|||
Add used oil to diesel fuel?
Steve,
Perhaps you missed the part where I said that the "Racor filter I always installed on my vehicles' fuel lines would do a good enough job of removing anything harmful"? Butch "Steven Shelikoff" wrote in message news On Sat, 12 Nov 2005 14:11:30 GMT, "Butch Davis" wrote: John, In the fleet application I used Racor's system which included filtration. On my personal diesel vehicles I simply added the oil directly from the crankcase to a nearly full fuel tank. My reasoning was that the lube oil was well filtered by the oil filter and that the after market Racor filter I always installed in my vehicles' fuel lines would do a good enough job of removing anything harmful. That's not very good reasoning for 2 reasons... first, the typical auto oil filter probably doesn't do as good a job as the racor fuel filter made for the task of filtering diesel fuel. And second, if you left the oil filter in long enough for it to get clogged, the bypass valve will open and it won't filter the oil at all. And since you can't measure the pressure difference across the filter, you have no idea whether the bypass valve opened or not. If you're gonna put the crankcase oil into the fuel system, filter it first. Don't depend on the crankcase oil filter. Steve |
#22
|
|||
|
|||
Add used oil to diesel fuel?
"Brian Whatcott" wrote in message ... On Sat, 12 Nov 2005 08:55:52 -0500, Larry wrote: "Bill McKee" wrote in hlink.net: And how much would in cost in fuel filters? Maybe in an old Detroit Diesel. But not in any new diesel with a high pressure pump. I have horrible visions of all those nearly invisible metal filings, carbon particles and other microscopic contaminants grinding away between the fuel pump pistons and those finely precision holes to .0001" tolerances they pump so carefully into. Combine the solid contaminants too small to filter with all the acidic blowby chemistry, the reason we change the oil so often in a diesel engine, and I'd think it wouldn't take long to simply eat away at the inside of the amazingly-expensive injection pump, primary pump, and the tiny nozzles' guts in the cylinders. Yecch.....all for a few bucks saved on a tank? I suppose if we're going to do this, we could also slowly dump the electrolyte from those old batteries in the fuel tank, too, to eat away at it all quicker! That is the central problem, I expect. One's lurid imagination about graphic consequences. How did you feel when you first heard about the new-fangled military technique for decoking gas turbines used in helicopters - namely, throwing a basket full of chopped walnut shells into the air intake? Brian Whatcott Altus OK Was used on lots of jet engines before helos. |
Reply |
Thread Tools | Search this Thread |
Display Modes | |
|
|
Similar Threads | ||||
Thread | Forum | |||
Add used oil to diesel fuel? | General | |||
Gas Hog Cars, same phenomenon as boats | General | |||
How Exactly Do We Mix Oil With Fuel? | General | |||
simple diesel engine question | Boat Building | |||
Renault Couach RC16D diesel fuel filter? | Boat Building |