strange crank - page 1 - IDI Engine - VWDiesel.net The IDI, TDI, and mTDI source.

• strange crank by truckinwagen on 28 Mar, 2009 17:50
• I just scored a buttload of parts from a guy getting rid of his diesel collection.
  I got a bunch of water and oil pumps( I mean a bunch!) three blocks(two 1.6 and one 1.5) two spare cranks, a bunch of heads, two injection pumps, the list goes on and on.
  
  my question is that the 1.5 block and the two spare cranks(no idea what they are from) have a strange sprocket end to them. the end of the cranks that the timing pulley would attach to look like the end of a intermediate shaft.
  
  are all the 1.5 cranks like this(which would mean that the two extra cranks are 1.5)?
  
  and what kind of timing pulley will fit on it?
  
  it looks like a far superior way to mount a pulley compared to the 1.6 and even the TDI, but the pulley to stick on it might be an issue.
  
  any ideas?
  
  -Owen
• #1 by MJF on 28 Mar, 2009 18:48
• Early 1,6 had that crank end too, used one in my 1,7td. I like it better too.
• #2 by truckinwagen on 29 Mar, 2009 14:08
• so where would I get a crank pulley to fit the crank?
  
  I think if I can find the pulley I will use the crank with the different end as it looks like a much better setup.
• #3 by MJF on 30 Mar, 2009 02:37
• Ummm... What kind of failures? I haven´t heard any, but have seen/heard gazillion newer crank failures. Of course there is much more newer style cranks...
• #4 by truckinwagen on 30 Mar, 2009 08:48
• I would say that the old style crank nose(like an intermediate shaft or gasser camshaft) would be far superior because it does not rely on the clamping force of the bolt to keep the pulley on the shaft.
  
  because the pulley actually sleeves on the shaft and is held with a real woodruff key the bolt should only need 20 or so foot pounds of torque as all it needs to do is keep the pulley from sliding off the shaft.
  
  anyway, I will see if I can find a pulley to fit the shaft and report back as to how strong it seems to be.
• #5 by truckinwagen on 30 Mar, 2009 10:06
• regardless of the argument about its relative strength, I would like to try out one of these cranks for a project of mine, where can I find a pulley to fit one, or are they one of those parts that does not exist any more?
• #6 by truckinwagen on 30 Mar, 2009 13:22
• thanks for the link, sweet site.
  
  there is no info on the page you listed, and the crank pulleys I found on that site were unclear about if they were for a diesel or gas car, any idea on confirmation that that is a diesel part?
  
  (not to be a jerk or anything, just wanted to make sure)
  thanks again for the help,
  -Owen
• #7 by truckinwagen on 30 Mar, 2009 18:44
• cool thanks!
• #8 by fatmobile on 31 Mar, 2009 00:37
• Quote

  The newer 1.6 style rarely fails unless the serpentine belt setup is used with it.

  
  
   I've seen 1.6, 2 TDs with the crank key stripped out.
  
   The newer style crank nose does make it easier to upgrade to the "D" sprocket.
• #9 by MJF on 31 Mar, 2009 03:41
• Quote from: "MJF"

  Ummm... What kind of failures?

  
  
  Still intrested...
• #10 by truckinwagen on 31 Mar, 2009 09:29
• I dont have any experience with the early style crank, but plenty with woodruff keyed sleeved shaft/pulley connections.
  
  the only failure I have seen was either because there was excessive slop in the fit between the pulley and shaft, or there was so much force put on the connection that the shaft sheared.
  
  I am hoping that the early style crank proves robust, but we will see after I install a G60 supercharger with a serp belt and a AC compressor along with the alt and WP on my new motor.
• #11 by RabbitJockey on 01 Apr, 2009 15:00
• on my 81 rabbit with ac and 11 mm head (meaning it has the early crank nose) i don't know what happened, but somehow the crank sprocket bolt loosened,  either the woodruff key and channel for it loosened up and this is what loosened the crank bolt, or the loose bolt runined the key and channel.  either way a new crank sprocket and key fixed it, the cranks keychannel wasn't too badly ruined, so a little jb weld was added,  its half assed but it's been fine for almost a year now.
• #12 by truckinwagen on 01 Apr, 2009 20:03
• yeah, if the key channels are tight and the fit between the pulley and shaft are good, I see no reason for this to fail at all.
  
  now all I have to do is find out if my two spare cranks are 1.5 or 1.6 any one know what the distinguishing numbers are?
  
  I am thinking about running the 1.5 crank with 1.6 rods and 1.9 pistons in a 1.6 block sleeved for 1.9 pistons.
  this would theoretically rev better(due to the shorter stroke) and put me right back at 1600cc.
  
  if the cranks end up being early 1.6 ones I will do the same to run a 1.7, but I think the 1.5 would be cooler(because I don't know of anyone who has done it)
• #13 by truckinwagen on 01 Apr, 2009 20:55
• I just did an ETKA search and found this for the 1.5L diesel crank pulley part number:
  028105263E
  
  I searched the website you gave me and found a part listed under that number for $40 and one without the E suffix for $18, any idea what the difference is?
• #14 by truckinwagen on 02 Apr, 2009 08:47
• thanks, I will try the one you linked.
  I have little confidence in my ability to find part numbers properly, and at $15 it wont be too much of a waste if it tuns out to be the wrong part.