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techtalk:ref:engmech02f [2019/08/04 01:39] – [Installing Hammer Performance Billet Pushrod Base Kit] hippysmacktechtalk:ref:engmech02f [2024/01/14 21:04] (current) – hippysmack
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 On big cylinders, you may have to grind some off the fins to get a good fit between them. On big cylinders, you may have to grind some off the fins to get a good fit between them.
  
-|  (R) (fins 90" jugs had to be ground for tube clearance) (F) ((photos by DonChicago48 of the XLFORUM http://xlforum.net/forums/showthread.php?t=1610587&page=21))  ||+|  (R) (fins 90" jugs had to be ground for tube clearance) (F) ((photos by DonChicago48 of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/frame-mount-evo-sportster-talk-1986-2003-models/148266-building-a-90-inch-sledge-hammer/page21?t=1610587&page=21))  ||
 |{{:techtalk:ref:engmech:hammerperf_rear_pushrod_tube_clearance_issue_by_donchicago48.jpg?direct&300|}}|{{:techtalk:ref:engmech:hammerperf_front_pushrod_tube_clearance_issue_by_donchicago48.jpg?direct&300|}}| |{{:techtalk:ref:engmech:hammerperf_rear_pushrod_tube_clearance_issue_by_donchicago48.jpg?direct&300|}}|{{:techtalk:ref:engmech:hammerperf_front_pushrod_tube_clearance_issue_by_donchicago48.jpg?direct&300|}}|
  
 +Also check that the cylinder base gasket isn't interfering with the pushrod tube base. ((DonChicago48 of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/frame-mount-evo-sportster-talk-1986-2003-models/148266-building-a-90-inch-sledge-hammer/page17?t=1610587&page=17)) \\
 +It could hang up on the gasket and potentially cause an oil leak. \\
 +You may have to trim the cylinder base gasket to clear the pushrod base retainer. \\
 +You can use the edge of the bottom gasket mating surface as a cutting guide. \\
 +With a sharp ExActo Knife, cut the gasket along the outline of the cylinder base edge. \\
  
 +|  Trimming the base gasket. ((DonChicago48 of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/frame-mount-evo-sportster-talk-1986-2003-models/148266-building-a-90-inch-sledge-hammer/page17?t=1610587&page=17))  || 
 +|{{:techtalk:ref:engmech:trimming_axtell_base_gasket_1_by_donchicago48.jpg?direct&300|}}|{{:techtalk:ref:engmech:trimming_axtell_base_gasket_2_by_donchicago48.jpg?direct&300|}}|
  
   * Push the base down onto the case deck and hold pressure on the base with one hand.   * Push the base down onto the case deck and hold pressure on the base with one hand.

Trace: • REF: Engine Mechanicals - Sub-02F