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Message: <blockquote data-quote="dan filipi" data-source="post: 98549" data-attributes="member: 54">My intention with this thread has been to see what 1" intake tubes will do only.My method used to fit them will not stay. This is only a test.The pics that follow are as it sits now.It runs MUCH better.Idle is smooth.Acceleration is good even with a fast twist into the secondary opening and settles right down to 900-1000 rpm idle.I can tell by the way it sounds it's firing much better.With the old tubes I had I had to set the idle mixture screw out 5 turns more than it is now even though there were only very tiny vacuum leaks.So far running in the garage I'd say 1" runners are a success but the ride report will tell more.I won't be able to get a test ride in until tomorrow afternoon  :crying: <img src="https://www.classicgoldwings.com/forum/gallery/image.php?album_id=2073&image_id=21211" alt="" class="fr-fic fr-dii fr-draggable " style="" />Epoxy in the tube you knead in your hands is what you see.It cures hard in about an hour.I have one tiny vacuum leak at the number 4 head which I added a bit more which should seal it.<img src="https://www.classicgoldwings.com/forum/gallery/image.php?album_id=2073&image_id=21209" alt="" class="fr-fic fr-dii fr-draggable " style="" /><img src="https://www.classicgoldwings.com/forum/gallery/image.php?album_id=2073&image_id=21210" alt="" class="fr-fic fr-dii fr-draggable " style="" /></blockquote>