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  • Title: JIMS 66 389 YS
  • Description: No description
  • Owner: Gallery Administrator

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Even the underside of this Upper Air Horn has different types of design. It is quite obvioius to me but most people will never know what the differences are or even care.

JIMS 66 389 YS

  • Now all we got to do is reassemble it. Locktite the bolts, clean every part, torque every attaching threaded part, tape up all the ports and tag and bag for the assembly.

    • Now all we got to do is reassemble it. Locktite the bolts,…
    • Views: 680
    • By: Gallery Administrator

  • Here is the once Ugly now good looking YS 66 389 NGN Block. You will notice that it looks NOS. Yes this is correct. Almost brand new. Looks can be deceiving. Even though the threaded holes are now all in great shape, there are still problem areas.

    • Here is the once Ugly now good looking YS 66 389 NGN Block.…
    • Views: 769
    • By: Gallery Administrator

  • Notice the beautiful threaded oil gallery plug holes. They are just great now that they have been shake and baked. The steel shot really adds a special touch to the threads when they go thru the process.

    • Notice the beautiful threaded oil gallery plug holes. They…
    • Views: 739
    • By: Gallery Administrator

  • Even though the block is pretty much clean there are still some areas that will not get 100% treated. This is quite normal and not a concern. To be truthful my blocks are cleaner than anyone elses at this point.

    • Even though the block is pretty much clean there are still s…
    • Views: 736
    • By: Gallery Administrator

  • You will also notice that the Freeze Plug Holes have now received a new look due to the abrasive action of the steel shot. Makes the surface look freshly machined and new.

    • You will also notice that the Freeze Plug Holes have now rec…
    • Views: 881
    • By: Gallery Administrator

  • This process also helps to give the Freeze Plug some surface finish to hold onto. This way they will tend to stay where I put them. It is very important for me to have a perfectly clean block to start.

    • This process also helps to give the Freeze Plug some surface…
    • Views: 696
    • By: Gallery Administrator

  • Now if I can thread in the Studs by Hand then all is fine. In this case such went well. The Four Bolt Main Caps fit fine and dandy as usual. Notice that we are not skimping on any of the important ideas.

    • Now if I can thread in the Studs by Hand then all is fine.…
    • Views: 712
    • By: Gallery Administrator

  • Not only are we changing the center three but also the outer two. No reason to make a cheap improvement. Might as well do it right. Jim is a Supervisor of Engineers. He has yet to call me on the carpet. I guess I am doing a good job.

    • Not only are we changing the center three but also the outer…
    • Views: 803
    • By: Gallery Administrator

  • Besides, if he gives me an ass chewing he might get a gum infection. He was kind enough to show me another formula for a motor. It was in a nationally publicized magazine. It was quite a formula for failure. I explained the stupidity in their desig...

    • Besides, if he gives me an ass chewing he might get a gum in…
    • Views: 758
    • By: Gallery Administrator