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techtalk:ref:oil05b [2019/07/20 15:32] hippysmack [Running External Rocker Box Drains] |
techtalk:ref:oil05b [2019/07/20 15:48] hippysmack [REF: Oiling & Lubrication - Sub-05A] |
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| [[:techtalk:menu|{{ :techtalk:gototechnicalmenu.jpg|}}]] | [[:techtalk:menu|{{ :techtalk:gototechnicalmenu.jpg|}}]] | ||
| - | ====== REF: Oiling & Lubrication - Sub-05A ====== | + | ====== REF: Oiling & Lubrication - Sub-05B ====== |
| ====== Running External Rocker Box Drains ====== | ====== Running External Rocker Box Drains ====== | ||
| There were no oil returns on the old Axtel big bore (or the day) cylinders. \\ | There were no oil returns on the old Axtel big bore (or the day) cylinders. \\ | ||
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| Pre-98 engine cases drain in the cam chest to the crankcase. \\ | Pre-98 engine cases drain in the cam chest to the crankcase. \\ | ||
| For those, you can also plug that drain and pipe the rocker box drains externally. \\ | For those, you can also plug that drain and pipe the rocker box drains externally. \\ | ||
| + | In 1998, the MoCo got rid of that drain passage and put a scavenge inlet into the neck of the pump to pull the oil directly out of the cam box. \\ | ||
| You'll need a 98-Up style oil pump with the cam chest drain port built into it to make this work. \\ | You'll need a 98-Up style oil pump with the cam chest drain port built into it to make this work. \\ | ||
| - | Se more on the different oil pumps [[techtalk:evo:oil03|HERE]] in the Evo section of the Sportsterpedia. \\ | + | See more on the different oil pumps [[techtalk:evo:oil03|HERE]] in the Evo section of the Sportsterpedia. \\ |
| {{:techtalk:ref:oil:external_rocker_box_drains_2_by_anachris.jpg?direct&300|}} ((photo by AnaChris of the XLFORUM http://xlforum.net/forums/showthread.php?t=2002736)) | {{:techtalk:ref:oil:external_rocker_box_drains_2_by_anachris.jpg?direct&300|}} ((photo by AnaChris of the XLFORUM http://xlforum.net/forums/showthread.php?t=2002736)) | ||
