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techtalk:ih:engmech04a [2019/06/14 18:53] hippysmack [Other Split Rocker Box Pics] |
techtalk:ih:engmech04a [2019/06/14 19:19] hippysmack [Pros and Cons of Functionality] |
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| Running the wires internally in the bars, a slick paint job, flat blacking everything, chroming everything, \\ | Running the wires internally in the bars, a slick paint job, flat blacking everything, chroming everything, \\ | ||
| Installing 16"+ apes on HD's Sport Bike, adding a 250mm rear tire or side mounting a license plate. \\ | Installing 16"+ apes on HD's Sport Bike, adding a 250mm rear tire or side mounting a license plate. \\ | ||
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| + | Some split the rocker boxes for adding dual plugged heads. The right side sparkplug is on the same angle as the left. ((fdny37 of the XLFORUM http://xlforum.net/forums/showthread.php?t=130964&page=3)) \\ | ||
| + | On some other dual plug bikes, the right side plug was installed more towards the top of the head and the boxes didn't require splitting. \\ | ||
| + | Cometic metal rocker gaskets seem to help with leaks. \\ | ||
| If the rocker covers are doing a "hula dance" when in one full piece; ((Tim The Grim of the XLFORUM http://xlforum.net/forums/showthread.php?t=1719533&highlight=splitting+rocker+box&page=5)) \\ | If the rocker covers are doing a "hula dance" when in one full piece; ((Tim The Grim of the XLFORUM http://xlforum.net/forums/showthread.php?t=1719533&highlight=splitting+rocker+box&page=5)) \\ | ||
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| Your pushrods are doing the same thing 29 times a second at 3500 rpm. \\ | Your pushrods are doing the same thing 29 times a second at 3500 rpm. \\ | ||
| The last thing we want is to make things less rigid. \\ | The last thing we want is to make things less rigid. \\ | ||
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| + | The pushrods have enough trouble with harmonics without adding another place for the valve train to flex. ((mrmom9r of the XLFORUM http://xlforum.net/forums/showthread.php?t=1682099&highlight=splitting+rocker+box)) \\ | ||
| + | I've seen flex as high as .025" just rolling an engine with big valve springs over on the bench. \\ | ||
| Even on dead stock valve train the naked eye can actually see the pushrod end of split boxes flex when pushing the kicker thru. ((DR DICK of the XLFORUM http://xlforum.net/forums/showthread.php?t=1719533&highlight=splitting+rocker+box&page=2)) \\ | Even on dead stock valve train the naked eye can actually see the pushrod end of split boxes flex when pushing the kicker thru. ((DR DICK of the XLFORUM http://xlforum.net/forums/showthread.php?t=1719533&highlight=splitting+rocker+box&page=2)) \\ | ||
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| To keep the strength of the center bolt design, you can weld up the oiling cross hole and run external lines from the outside. ((ryder rick of the XLFORUM http://xlforum.net/forums/showthread.php?t=1998127&highlight=split+rocker+box&page=2)) \\ | To keep the strength of the center bolt design, you can weld up the oiling cross hole and run external lines from the outside. ((ryder rick of the XLFORUM http://xlforum.net/forums/showthread.php?t=1998127&highlight=split+rocker+box&page=2)) \\ | ||
| That is better than splitting the boxes. \\ | That is better than splitting the boxes. \\ | ||
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| + | To dual plug the heads, the plug electrode location is what is critical, not the angle the plug screws in from. ((ryder rick of the XLFORUM http://xlforum.net/forums/showthread.php?t=1682099&highlight=splitting+rocker+box)) \\ | ||
| + | You can use a small spark plug 12mm or even 10mm. A big plug doesn't make any bigger spark. \\ | ||
| + | {{:techtalk:ih:engmech:dual_plugging_ihs_1_by_ryder_rick.jpg?direct&300|}} ((photo by ryder rick of the XLFORUM http://xlforum.net/forums/showthread.php?t=1682099&highlight=splitting+rocker+box)) \\{{:techtalk:ih:engmech:dual_plugging_ihs_2_by_ryder_rick.jpg?direct&300|}} ((photo by ryder rick of the XLFORUM http://xlforum.net/forums/showthread.php?t=1682099&highlight=splitting+rocker+box)) \\ | ||
| ====== General Process Of Splitting the Rocker Box ====== | ====== General Process Of Splitting the Rocker Box ====== | ||
