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techtalk:ref:oil05a [2019/06/04 23:20] hippysmack [High Pressure Oil Bypass] |
techtalk:ref:oil05a [2019/06/05 02:47] hippysmack [Conclusions] |
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| **Coincidence**? \\ | **Coincidence**? \\ | ||
| This mod is not so different than what the MoCo has already done to 92 and up engines. \\ | This mod is not so different than what the MoCo has already done to 92 and up engines. \\ | ||
| - | When the factory got rid of the 86-90 oil pressure regulator, they introduced a oil bleed passage in the oil feed galley of the right case. \\ | + | When the factory got rid of the 86-91 oil pressure regulator, they introduced an oil bleed passage (tiny hole) in the oil feed galley of the right case. \\ |
| This relieves some of the pressure while giving some extra oil to the cam gears by way of splashing #2 cam from the feed galley. \\ | This relieves some of the pressure while giving some extra oil to the cam gears by way of splashing #2 cam from the feed galley. \\ | ||
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| + | So, on 92 and up engines, one could also say this mod will add a second pressure relief to the feed oil system. \\ | ||
| + | The jet size for this mod may need to be adjusted for these engines. \\ | ||
| + | (to make sure there is still enough pressure to keep proper oil to the lifters during hot idle or low speeds) \\ | ||
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| + | | 98 cam chest. ((photo by isiahstites of the XLFORUM and labeled by Hippysmack http://xlforum.net/forums/showthread.php?t=51598&page=5)) | | ||
| + | |{{:techtalk:evo:oil:98_cam_chest_by_isiahstites.jpg?direct&300|}}| | ||
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