48' Head rework ....

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  • Dragstews
    Senior Member
    • Sep 2010
    • 13740

    48' Head rework ....

    How in the Hell did they get a Shovelhead intake valve (1.950") to seat on the bronze seat ?!?! .... Can't wait to take it apart .. !!




    Ok ... Now I see how it was done ... Had a seat replacement done to it ...



    Whoa ... !!
    Will ya look at where it's been seating at on the face of the valve ....

    Will the owner please speak up with some needed info...
    Like the cam grind that these heads will be singing a song with ....

    Found something else that causes me to .....





    I seen some poor fitting keepers before, but this has got to be the worst of all.
    It's as if it has 7* locks in a 10* hole ... !!!
    Last edited by Dragstews; 01-06-2020, 4:10 PM.
    Take my 45 and outrun em all ..
  • DoomBuggy
    Senior Member
    • Oct 2016
    • 2436

    #2
    Damn that's ugly, wait that's mine, shit!

    Cam is an S&S model 330-0164. I believe it is an H-Grind.

    So why all the damn oil in there?

    The goal on this motor was easy to start and reliable runner, nothing more, nothing less.

    Tom had said the heads were a sorry sight and he recommended finding a set of '56 heads...
    Last edited by DoomBuggy; 01-06-2020, 4:14 PM.

    Comment

    • DoomBuggy
      Senior Member
      • Oct 2016
      • 2436

      #3
      Keep in mind this was the motor where all the gaps on the rings were aligned and the pistons were backwards in the holes.

      It was a wonder it ever ran at all, it was however a show bike only so there was almost no wear on the cylinders when we stripped it down.

      Comment

      • Dragstews
        Senior Member
        • Sep 2010
        • 13740

        #4
        The oil could be coming from the guides .. Not the inside where the valve works, but the outside where the guide is pressed into the head ...

        I'll get em cleaned up by running em though the jet washer and then do a oven warm-up.. If a guide is loose in the head it'll show up ...

        I really don't like those springs ... Could be a bad nightmare waiting to happen ...
        Sure would be nice to install some KPMI's and the valves are nothing to write home about, some Black Diamond sure would be nice to do to the ole Gal too ....
        Last edited by Dragstews; 01-06-2020, 5:41 PM.
        Take my 45 and outrun em all ..

        Comment

        • DoomBuggy
          Senior Member
          • Oct 2016
          • 2436

          #5
          Add the right parts into the price and we can see where we end up. I don't mind putting a bit more into it if I need to.

          I want this damn bike to run without blowing up or pissing all over me pants leg.

          The other place it was bubbling out was around the spark plug holes.

          Comment

          • Dragstews
            Senior Member
            • Sep 2010
            • 13740

            #6
            Originally posted by DoomBuggy

            Cam is an S&S model 330-0164. I believe it is an H-Grind.
            Dat's an Old Man's cam ... !!!
            What in Sam's Hill are you doing with that cam in that bike ..... ?? ..

            Take my 45 and outrun em all ..

            Comment

            • DoomBuggy
              Senior Member
              • Oct 2016
              • 2436

              #7
              Based on the mechanical pieces of art coming out of your shop you may find this hard to believe, but some of us just want a nice easy to start, smooth, "long lasting" motor, lol.

              If I wanted to go fast I would have to sell one of my daughters and I have grown fond of both of them!

              Comment

              • Tattooo
                Senior Member
                • Sep 2012
                • 12407

                #8
                Originally posted by Dragstews
                I seen some poor fitting keepers before, but this has got to be the worst of all.
                It's as if it has 7* locks in a 10* hole ... !!!

                Jesse how did it look with the spring on it?????

                Comment

                • Dragstews
                  Senior Member
                  • Sep 2010
                  • 13740

                  #9
                  Take my 45 and outrun em all ..

                  Comment

                  • Dragstews
                    Senior Member
                    • Sep 2010
                    • 13740

                    #10
                    Originally posted by Tattooo
                    Jesse how did it look with the spring on it?????
                    The other head I haven't took apart just yet ..
                    I'll snap a few photos of it ....
                    Take my 45 and outrun em all ..

                    Comment

                    • Tattooo
                      Senior Member
                      • Sep 2012
                      • 12407

                      #11
                      Originally posted by Dragstews
                      The other head I haven't took apart just yet ..
                      I'll snap a few photos of it ....
                      Awesome...... Just curious...............

                      Comment

                      • Dragstews
                        Senior Member
                        • Sep 2010
                        • 13740

                        #12
                        Take my 45 and outrun em all ..

                        Comment

                        • DoomBuggy
                          Senior Member
                          • Oct 2016
                          • 2436

                          #13
                          You're on a roll tonight ain't cha

                          Comment

                          • Dragstews
                            Senior Member
                            • Sep 2010
                            • 13740

                            #14
                            Yeah, blood sugar a mite hi ....

                            Here ya go Tatt ...



                            ^ Exhaust



                            ^ Intake

                            I got a strong premonition what we're eyeballing here is ... "Taiwan's Best" ...



                            A splash of good old "USA" in this area might be a good thing ... !!
                            Last edited by Dragstews; 01-06-2020, 6:19 PM.
                            Take my 45 and outrun em all ..

                            Comment

                            • DoomBuggy
                              Senior Member
                              • Oct 2016
                              • 2436

                              #15
                              I like made in the USofA......I was brought up that generally speaking, you get what you pay for

                              Comment

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