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A few questions for manual swap for diesel

Discussion in '1982-Present GM Diesel' started by protechk5, Jan 2, 2007.

  1. protechk5

    protechk5 1/2 ton status

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    So Im swaping in a 465/205 in place of my 400/208. Im getting everything from my old high school auto tech teacher. The only thing I need is a diesel flywheel I believe. I did a search but didnt come up with any part numbers, do I just use one off a 6.5? Also what do I do with the old vacuum line from the th400? Any other things that I should be prepared for? It should be pretty straight forward since he has everything I need. Also I just going with manual clutch linkage for now. Also how do I find the wire for the back up lights? I plan on leaving my auto cloum.
     
    Last edited: Jan 2, 2007
  2. merace19

    merace19 1/2 ton status

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    Just remember to get the old trans oil out of the radiator. Other wise when you going down road and heat it up it will ooze out and all over the motor and trans.
     
  3. kennyw

    kennyw N9PHW Premium Member

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    6.2 and 6.5L both use the same flywheel. They are getting hard to find.

    As far as the TH400 vacuum line goes... plug it. Not very difficult to do the conversion if you get all the parts from one place.
     
    Last edited: Apr 17, 2007
  4. tRustyK5

    tRustyK5 Big meanie Staff Member Super Moderator GMOTM Winner Author

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    Don't forget the later 6.5's used the dual mass flywheel which is supposed to be a POS.

    Rene
     
  5. kennyw

    kennyw N9PHW Premium Member

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    Thats true... I don't know what year the dual mass flywheel was started though. The one I have is the early single mass from a 6.2L.
     
  6. protechk5

    protechk5 1/2 ton status

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    pm sent
     
  7. 4x4_76

    4x4_76 1/2 ton status

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    Picked up flywheel today. Guy who sold it wasn't sure that it is from diesel, he was told from wrecking yard that it should be from diesel.

    Besides the rust, it in good condition. I found this casting number from it; 1405025N. Did google it, and based on that it is from 6.2, non dual mass.

    Why dual mass sucks?
     
  8. imiceman44

    imiceman44 1 ton status

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    Because it seperates and gets off balance.
    A lot of car manufacturers at some point experimented with dual mass flywheels and they all so far have realized their mistakes.
    I don't know the reasoning behind doing it in the first place :rolleyes:
     
    Last edited: Apr 18, 2007
  9. 75-K5

    75-K5 3/4 ton status

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    If you don't have a core and want to get a good new flywheel, go with a Luk LFW-201. I sent an email to Luk customer service (Schaeffler is their parent company), and a guy emailed me back with the name of a local distributor. Ended up being about $180, which I don't consider bad for a new flywheel without core.
     

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