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techtalk:ref:engmech04g [2019/11/14 06:32]
hippysmack [Slack tube testing on a 1998 1250S model]
techtalk:ref:engmech04g [2020/01/31 15:06]
hippysmack [Test with air cleaner removed]
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 An addition of 3" of positive pressure exerted (6" in actual height) on downstroke still yields a balance of 6" of total vacuum from the engine (showing 3” on left leg). \\ An addition of 3" of positive pressure exerted (6" in actual height) on downstroke still yields a balance of 6" of total vacuum from the engine (showing 3” on left leg). \\
 In this example, the total pressure in the crankcase is still negative but with not as much pressure as it was at the last upstroke. \\ In this example, the total pressure in the crankcase is still negative but with not as much pressure as it was at the last upstroke. \\
-{{:​techtalk:​ref:​engmech:​1slack_tube_figure_d_by_hippysmack.jpg?​direct&​400|}} \\+{{:​techtalk:​ref:​engmech:​slack_tube_figure_d_by_hippysmack.jpg?​direct&​400|}} \\
  
 For this testing, a slack tube was made using an 1/8" hose barb fitting plugged into the timing plug hole with a length of 1/8" clear hose to the instrument. \\ For this testing, a slack tube was made using an 1/8" hose barb fitting plugged into the timing plug hole with a length of 1/8" clear hose to the instrument. \\
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 ===== Test with air cleaner removed ===== ===== Test with air cleaner removed =====
-The A/C was removed to se if it had any impact on crankcase pressure testing. \\+The A/C was removed to see if it had any impact on crankcase pressure testing. \\
 There was no noticeable difference with it off through the RPM range tested up to 5000. \\ There was no noticeable difference with it off through the RPM range tested up to 5000. \\
 There was also no noticeable oil mist during this period. \\ There was also no noticeable oil mist during this period. \\