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  1. Blownoiler

    Compression test results-cold/hot engine

    I recently had a friend come over to test run his new compression gauge on my Isuzu 4jg2, as I had 2 dead glow plugs so had to replace them anyway. The workshop manual specs are 440 psi hot, the lower limit is 340 psi before rebuilding is required. He decided to test the engine cold first, to...
  2. Blownoiler

    WiDE - Water in Diesel Emulsion

    Check out this article- make sure you scroll down to the pics if you don't want to read the whole article. http://dquirk.com/Diesel/Bacteria.htm
  3. Blownoiler

    Does propane eat glow plugs?

    I have had glow plugs erode away very quickly in the past, the tips had melted. No propane was used, only extra injection timing and fuel. My guess was much higher peak temps and pressure had done the damage. After going through a few sets in a matter of weeks I detuned the engine a bit and then...
  4. Blownoiler

    WMO burns hotter than diesel?

    "Shift Indicators"!...I've never had a vehicle equipped with one, other than the sound of valvebounce echoing into the cabin LOL . There's a challenge for you, persist until the problem is solved! It seems that the designers have to give a vehicle a reasonable short lifespan to ensure...
  5. Blownoiler

    WMO burns hotter than diesel?

    Wow, that's a lot of build-up, is the engine down on compression at all? Are you driving at low revs mostly or do you run up to high revs frequently?, a good run in the higher rev range helps to clean out the ring pack, I think that the g forces generated actually throw a lot of the gummy crap...
  6. Blownoiler

    WMO burns hotter than diesel?

    I add 5-10% rug to my veg oil in the winter, this gives more power and helps the thicker oil to flow , yet engine temps rise as rug is blended into the mix. I won't go over 10% rug because I'm concerned about why the engine temp rises. As far as I understand the composition of rug, the lighter...
  7. Blownoiler

    WMO burns hotter than diesel?

    That sounds like the most logical place to look. The burn rate of the oil probably has a bearing here, a slower burn generally leads to higher engine temps, just as retarding the injection timing can lead to overheating. Is the pump able to draw enough of the thicker oil to operate correctly?
  8. Blownoiler

    Dodgey online tool seller

    Thanks for the heads up Aussiebrian, I did a google street view of the address and it is an industrial site, with 5 or 6(at least ) business's in it, so I'm not sure what to make of that! Here is the web address of the google street view site...
  9. Blownoiler

    WMO burns hotter than diesel?

    I have had a diesel engine repeatedly overheat during normal running conditions, turned out to be retarded injection timing. I don't know how the Mercedes pump works, but I do know that the bosch style rotary pumps use fuel pressure to advance the injection timing at higher engine speeds, so the...
  10. Blownoiler

    can I prevent coking with WMO?

    While I'm passing on a few cheap but not nasty V.E. tips, (the tuned length aircleaner pipe with a bell mouth on the end situated in a high pressure area), there is another cheap mod that you guys might be interested in trying. The engine has to pump the exhaust gas through the turbo, and then...
  11. Blownoiler

    Injector failure

    Interesting!..Thanks for posting it.
  12. Blownoiler

    can I prevent coking with WMO?

    I ran a two tank system on a couple of previous vehicles that were burning w.c.o., 2 kilometres of driving was when I could change over from diesel to veg, the veg system wasn't quite up to temp after this distance, but the engine usually was and ran well enough. 2 kilometres (approx. 1.6 miles)...
  13. Blownoiler

    can I prevent coking with WMO?

    Ditto!!
  14. Blownoiler

    can I prevent coking with WMO?

    Thanks for looking that up , I'll check the local truck shops!
  15. Blownoiler

    can I prevent coking with WMO?

    That diesel kleen sounds like good gear, I wonder if it's available over here in Australia!
  16. Blownoiler

    can I prevent coking with WMO?

    The twin tank idea certainly makes a lot of sense, getting a clean burn from a cold engine running waste oil is always going to be difficult (unless you live in the desert where the temps always over 100*F). I have considered designing a variable intake pipe, from the air cleaner to a heat...
  17. Blownoiler

    can I prevent coking with WMO?

    Have you tried improving atomisation of the fuel through higher injector pop pressures?
  18. Blownoiler

    can I prevent coking with WMO?

    Does the amount of smoke change from summer conditions compared to winter?
  19. Blownoiler

    can I prevent coking with WMO?

    I am familiar with the grid heaters fitted over the years to various makes/models, I might price a few to see if I can afford to set one up on my vehicle. How many amps would the typical grid heater draw? Agreed! That isn't how the bosch designed rotary pump works Mr themaster, the...
  20. Blownoiler

    can I prevent coking with WMO?

    haha, nobiggie! Maybe running 2 pipes into the air cleaner canister could be good, one pipe drawing in cold air, and the other warm underbonnet air, both close to the same length to preserve the Helmholtz effect. It's good to shoot for low or no smoke from the tailpipe, as unburnt or...
  21. Blownoiler

    can I prevent coking with WMO?

    Actually it's "Blown oiler", but maybe "brownoiler" better describes used veg oil users! I'm not familiar with your particular engine, but if you observe tailpipe smoke levels during a cold snap then it becomes obvious that the intake air can be too cold for complete combustion. On a cold...
  22. Blownoiler

    can I prevent coking with WMO?

    It does take a while for the fuel system to absorb a decent amount of heat from the engine, so heating the fuel before the filter helps here, and also helps the thicker fuel to flow through the filter. If you guys want a cleaner burn you can wind down the amount of fuel injected for any...
  23. Blownoiler

    Supercharged om617 powered scout build

    Here's a graph showing just how much V.E. varies throughout the rev range with different inlet manifold runner lengths:
  24. Blownoiler

    Supercharged om617 powered scout build

    I decided to change the factory air filter inlet pipe to a cold air source outside of the engine bay, the original pipe sucked air from behind the headlight so was picking up warm/hot air while driving around town. My first attempt netted a power loss, yet in theory should have given a denser...
  25. Blownoiler

    Supercharged om617 powered scout build

    I use the Garrett boost advisor ( http://www.turbobygarrett.com/turbobygarrett/webadviser ) to give me pounds of air required for a particular horsepower level, mostly because the garrett program has a diesel input so that you can adjust the air/fuel ratio to your desired number. I use 20-1...

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