Unconfigured Ad Widget

Collapse

Announcement

Collapse
No announcement yet.

Engine fuelling issues

Collapse
X
Collapse
 
  • Page of 2
  • Filter
  • Time
  • Show
Clear All
new posts
Previous 1 2 template Next
  • #16
    Re: Engine fuelling issues

    Looking good. Great Idea !
    I never thought about using the stored vacuum from when the engine was last run. I have a vacuum reservoir in the 300CD, so that could be used. I also have a manual priming pump on the side of the IP, so it is not needed.
    I will keep this in mind for future conversions.
    Life is a journey, with problems to solve, lessons to learn, but most of all, experiences to enjoy.

    Current Vehicles in stable:
    '06 Musso Sports 4X4 Manual Crew Cab tray back.
    '04 Rexton 4X4 Automatic SUV
    '2014 Toyota Prius (on ULP) - Wife's car

    Previous Vehicles:
    '90 Mazda Capella. (2000 - 2003) My first Fatmobile. Converted to fun on veggie oil with a 2 tank setup.
    '80 Mercedes 300D. 2 tank conversion [Sold]
    '84 Mercedes 300D. 1 tank, no conversion. Replaced engine with rebuilt OM617A turbodiesel engine. Finally had good power. Engine donor for W123 coupe. (body parted out and carcass sold for scrap.)
    '85 Mercedes Benz W123 300CD Turbodiesel
    '99 Mercedes W202 C250 Turbodiesel (my darling Wife's car)[sold]
    '98 Mercedes W202 C250 Turbodiesel (my car)[sold]
    '06 Musso Sports Crew Cab well body. [Head gasket blew!]
    '04 Rexton SUV 2.9L Turbodiesel same as Musso - Our Family car.
    '06 Musso sports Crew Cab Trayback - My hack (no air cond, no heater).

    Searching the Biofuels Forum using Google
    Adding images and/or documents to your posts

    Comment

    • #17
      Re: Engine fuelling issues

      Well I'm back from my 2,000 km round trip and the ute didn't miss a beat....TFFT.

      I feel that the problem was most likely the failure of the old Facet pump. Even though it was only ever used for priming, I guess the bio got to the innards and damaged something the so that the IP couldn't suck fuel through it intermittently. I will pull it apart and have a look one of these days.

      When I did my acetone wash with the Facet, it appears to have been the straw that broke the camel's back, causing it to totally fail. Or it may have been about to fail completely anyway.

      I also ran 5% ULP in the bio for the whole trip as an added solvent. It could be placebo, but I thought it ran 'better' with a bit of ULP. Seemed like it had more power, maybe EGTs a little cooler? Certainly the fuel economy was good an I pushed it as far as I ever have on a full tank (55L) - 490 km without running out (fuel light came on just off the F3 freeway at 11:00 pm last night after 9 hours with one refuelling stop).

      So in summary, the solution (assuming it doesn't reoccur) was one of the following (in order of preference) or a combination of all 3:
      1) replaced failed Facet pump
      2) Acetone wash of IP
      3) 5% ULP added to fuel


      Thanks to all for your input. JJ - I will take note of your mods listed above and implement once I have got on top of all the other issues with my Merc!
      3DB
      3DB
      Senior Member
      Find all posts
      View Profile
      Last edited by 3DB; 23 February 2017, 03:16 PM.
      3DB
      1995 Holden (Isuzu) Rodeo 2.8TD 4X4 - B100 since April 2013
      1976 Mercedes 300D Turbo 'The Coal Grenade' - B100 since May 2016 - SOLD
      1994 Peugeot 405 SRDT 1.9L intercooled turbo diesel (Shitbox Rally car.) - B100 since August 2019 - SOLD
      @thirddegreeburns on Instagram
      @thirddegreeburns2019 on Facebook

      Comment

      Previous 1 2 template Next
      Working...
      X