Silence of the valves

Long time no posting, here’s an update.

In late July I got Franz almost cleared by the Swedish vehicle inspection. Almost – meaning they DID object that it did run on diesel as opposed to gasoline, as stated in the title. But this bought me a month of legal driving (regulations says it’s legal to drive one month from a failed inspection) which I of course took advantage of, to the fullest extent. I did a trip to northern Sweden with two friends, all in all this took two weeks and we drove about 4000km (6400 miles).

4000km of test-driving of course provides some very valuable information about Franzes health.
I did learn the following

  • Front brake caliper stuck after about 200km. Manually hacked loose parts from the pads to clear the disc. Of course the caliper stuck again and again and again, and every time I took off the wheel, hacked away some more parts of the pads. This was seriously not fun and sunk my confidence in Franz.
  • Maximum speed is about 90km/h (56mph) and comfortable cruising is at about 70km/h. This is due to too high rear-end differential gearing. While not a problem for me, some other drivers, notably the five big rigs, a stretch of campers and mobile homes did object when they finally got to pass us after tailing for miles and miles on a curvy, single-lane road up north. At least judging from their quite sour faces.
  • Since it obviously is no rocket, it has quite modest fuel consumption. About 8L/100km (30mpg).
  • Worse is, that it seems Franz has a oil drinking habit, it consumes about 1L/1000km.
  • The cardan shaft vibrates a bit at speeds above 50km/h, but after 2000km you really get used to it.
  • Apart from these minor issues the trip went well. Sweden is a very beautiful country, the sun was shining most of the time and we played some serious rockn’n’roll with the Becker.

    Flakaberg hus
    Up north in Sweden

    Bromsmeck
    How to perform brake caliper overhaul with almost no tools, no shop, no nothing. No there wasn’t even electricity at the location. Hand tools are manly.

    After we got home from the trip in late August, I haven’t done much more than fixing the stuck caliper. I was a bit discouraged by the fact that the engine drinks so much oil, that indicates for me it’s quite seriously worn inside and not very suitable for a vegetable oil conversion. But since all the hard work is done now, I am looking (although not that actively) for another engine to throw in. I have no real plan for Franz right now, but some things I’d like to do is (in order of importance)

  • Get him re-titles as a diesel car at the vehicle inspection
  • Take a compression test to determine how bad the engine is
  • Swap rear-axle from my donor 280SE
  • Do the vegetable oil-conversion
  • It’s december now and I have a quite busy schedule, so propably I’ll begin working on Franz sometime in january.

    Advertisements

    2 Responses to Silence of the valves

    1. JimmyL says:

      I still check in on your progress with Franz from time to time. I have enjoyed the progress, and the pics from Sweden were way cool! Looks like a nice place to visit.
      Hate to hear about the oil consumption, but after all the fabrication work you’ve already done, just swapping in another diesel engine will almost seem easy.
      Take care and good luck with Franz. I’ll keep checking…..
      Jimmy

    2. Chris says:

      Interesting website!
      I’ve just bought a W108 (280SE) that has had a later 240D (4 cylinder) engine installed by the previous owner. He seems to have done a pretty good job as I put the car into immediate service doing 50+ miles a day! The engine mounts and exhaust were custom made. A glow plug relay and vacuum shut off completes the picture.
      With a manual 4 speed it’ll do 80mph although acceleration is not quick! The rear axle is the original 280SE one.
      I put new injector nozzles in it and run it on 90% SVO with 10% kerosene due to the cold weather here in the UK. Starts fine at -5’C.
      It needs a respray and 2 new doors which I’m slowly sorting out.
      Chris

    Leave a Reply

    Fill in your details below or click an icon to log in:

    WordPress.com Logo

    You are commenting using your WordPress.com account. Log Out / Change )

    Twitter picture

    You are commenting using your Twitter account. Log Out / Change )

    Facebook photo

    You are commenting using your Facebook account. Log Out / Change )

    Google+ photo

    You are commenting using your Google+ account. Log Out / Change )

    Connecting to %s

    %d bloggers like this: