Another Early Pan motor Build ...

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  • flatman
    Senior Member
    • Sep 2017
    • 550

    Looks like a ceack in the lower left headbolt into the combustion chamber?

    Comment

    • Dragstews
      Senior Member
      • Sep 2010
      • 13739

      Say "WHAT" .. ?!?!



      .. Where .. ??

      .. ..

      I know what you're doing, you're rattling Jeremy's cage ... !!! ...
      (Better quit that sh*t, he ain't wrapped all that tight) ..
      Take my 45 and outrun em all ..

      Comment

      • Dragstews
        Senior Member
        • Sep 2010
        • 13739

        Called KPMI and got the right size keeper coming ...

        Soon this puppy will be heading home ...
        Hoping the rest of the Scooter will be found in that colossal mess ...
        (Might take some Hot-Dogs with ya just in case ya get lost in thar for days)
        Last edited by Dragstews; 05-21-2020, 12:29 PM.
        Take my 45 and outrun em all ..

        Comment

        • JeremyL
          Senior Member
          • Oct 2017
          • 207

          You got that Right!

          Comment

          • flatman
            Senior Member
            • Sep 2017
            • 550

            Sorry, if you look at the head in the dirty pic looks kinda like a crack at the 7 oclock head bolt. Glad for everyone it wasnt

            Comment

            • Dragstews
              Senior Member
              • Sep 2010
              • 13739

              Ya almost had me doing a die test ...


              __________________________________________________ ___

              Back in the wait mode ...


              Last edited by Dragstews; 05-21-2020, 5:44 PM.
              Take my 45 and outrun em all ..

              Comment

              • JeremyL
                Senior Member
                • Oct 2017
                • 207

                Found Her!

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                • JeremyL
                  Senior Member
                  • Oct 2017
                  • 207

                  1983 -ish

                  Click image for larger version

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                  • JeremyL
                    Senior Member
                    • Oct 2017
                    • 207

                    Check out the trophys on the ground and 357 on the hip.

                    Click image for larger version

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                    • Dragstews
                      Senior Member
                      • Sep 2010
                      • 13739



                      Well, I knew it was going to be close ...
                      Here's whats going on ...

                      My first test for valve to valve was using the rocker arm ratio for Shovels ... That is 1.43 ...
                      But ... This beast is using the 1.5 ratio that Panhead rocker are at ...
                      Did a bit of math and came up with new numbers for the TDC lifts ..

                      And this is what we have now ...



                      Well Doggies ... !! Thought I have this long term motor build done tonight ... Nope, not going to happen ... See the valve to valve clearance, don't have enough so it looks like I'm sinking the seats and doing a back-cut on the valves to come up with at least" .040" clearance ...

                      Back to the salt mine ....
                      Take my 45 and outrun em all ..

                      Comment

                      • JeremyL
                        Senior Member
                        • Oct 2017
                        • 207

                        Thank You Jesse!

                        Comment

                        • Dragstews
                          Senior Member
                          • Sep 2010
                          • 13739



                          Ok ... I took off .010" from the O.D. of the exhaust valve and did a 45* back-cut ... That helped alot but still need more ... Going to do the intake valve and see where I'm at ... Not wanting to sink the seats but it may come to that in order to see the minimum clearance ...

                          Took off another .020" from the O.D. of the exhaust valve ... Thats .030" in total ..



                          That's as far as I'm going on it .. Now to hit the intake with the back-cut, not doing the O.D. cut on it ... I just might get lucky with the back-cut ... ??



                          I see the light but it's not enough ...
                          Ok, alright ... Tomorrow will trim a little off the seats ...
                          ______________________________________________

                          Well now ....

                          This is where we stand at the moment ... Going to sink the seat .020" and recheck ...





                          Creeping up on the target ... I have .026" valve to valve clearance ... Target is .040" ... Now to sink the intake .020" and do another look-see ..
                          Last edited by Dragstews; 05-30-2020, 2:24 PM.
                          Take my 45 and outrun em all ..

                          Comment

                          • Dragstews
                            Senior Member
                            • Sep 2010
                            • 13739

                            Holy Batshit, Batman ... !!

                            Freaken motor don't want to go together ...



                            Well ... That belt is singing a Bob Dylan song ....
                            .../// https://youtu.be/O29WvCcp7zY \\\...

                            Needed the valve grinder to grind a tad off the valve face ...
                            Got a belt ordered ...
                            Take my 45 and outrun em all ..

                            Comment

                            • DoomBuggy
                              Senior Member
                              • Oct 2016
                              • 2436

                              Not to criticize, but that belt looks like it was new when Bob first sang that song!

                              Comment

                              • Dragstews
                                Senior Member
                                • Sep 2010
                                • 13739

                                Lol

                                Aaaa yes ....



                                For many years it served me well ....


                                .../// https://youtu.be/t9vyU7-0cHE \\\...
                                "Hey Joe" Bring dat Gun over here .. !!
                                ................ ...............
                                Last edited by Dragstews; 05-30-2020, 7:42 PM.
                                Take my 45 and outrun em all ..

                                Comment

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