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techtalk:ref:carb06 [2019/07/15 17:37] hippysmack ↷ Links adapted because of a move operation |
techtalk:ref:carb06 [2019/07/17 23:11] hippysmack [Aftermarket Air Cleaners and Modifications] |
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| ====== REF: Carburetor, Intake Manifold & Exhaust ====== | ====== REF: Carburetor, Intake Manifold & Exhaust ====== | ||
| ====== Aftermarket Air Cleaners and Modifications ====== | ====== Aftermarket Air Cleaners and Modifications ====== | ||
| - | Some air cleaners are not set up to allow for the breather bolts into them and are only held on by the three small carb front bolts. ((Shu of the XLFORUM http://xlforum.net/forums/showthread.php?t=146084&page=11)) \\ | + | Some air cleaners are not set up to allow for the breather bolts into them and are only held on by the small front bolts. ((Shu of the XLFORUM http://xlforum.net/forums/showthread.php?t=146084&page=11)) \\ |
| For these breathers you would need to get a head breather kit and carb support bracket. \\ | For these breathers you would need to get a head breather kit and carb support bracket. \\ | ||
| The breather kit routes the head vents to the ground (or atmosphere) while the carb support bracket keeps the carb in the intake. \\ | The breather kit routes the head vents to the ground (or atmosphere) while the carb support bracket keeps the carb in the intake. \\ | ||
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| ====== Running the Breather Hoses (91 and UP) ====== | ====== Running the Breather Hoses (91 and UP) ====== | ||
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| If the vent lines are piped above the exit point in the heads, oil out of suspension will not drain back into the engine. \\ | If the vent lines are piped above the exit point in the heads, oil out of suspension will not drain back into the engine. \\ | ||
| The oil would have to run uphill to get from the heads to the rocker boxes and into the lower end. \\ | The oil would have to run uphill to get from the heads to the rocker boxes and into the lower end. \\ | ||
| - | So there is no functional advantage to running the lines higher then the head vents. \\ | + | So there is no functional advantage to running the lines higher than the head vents. \\ |
| {{:techtalk:evo:engmech:91-03_sportster_head_breathing_2_drawing_by_hippysmack.jpg?direct&300|}} ((drawing by Hippysmack)) {{:techtalk:evo:engmech:04_up_head_breathing_drawing_2_by_hippysmack.jpg?direct&300|}} ((photo by Hippysmack)) | {{:techtalk:evo:engmech:91-03_sportster_head_breathing_2_drawing_by_hippysmack.jpg?direct&300|}} ((drawing by Hippysmack)) {{:techtalk:evo:engmech:04_up_head_breathing_drawing_2_by_hippysmack.jpg?direct&300|}} ((photo by Hippysmack)) | ||
