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techtalk:ref:engmech01q [2019/02/18 16:55] hippysmack [Roller end manuf. defect repair] |
techtalk:ref:engmech01q [2019/02/18 17:15] hippysmack [Roller end manuf. defect repair] |
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| It seems aftermarket lifters have a tendency to be wide at the roller end (at the opposite pins holding the roller). \\ | It seems aftermarket lifters have a tendency to be wide at the roller end (at the opposite pins holding the roller). \\ | ||
| Measure them before installing to be sure they won't scratch the lifter bore when turned home. ((Hippysmack of the XLFORUM http://xlforum.net/forums/showthread.php?p=5283285&highlight=lifter+pins#post5283285)) \\ | Measure them before installing to be sure they won't scratch the lifter bore when turned home. ((Hippysmack of the XLFORUM http://xlforum.net/forums/showthread.php?p=5283285&highlight=lifter+pins#post5283285)) \\ | ||
| + | The Fueling lifters below had this problem. \\ | ||
| + | The company (when contacted) said they would replace them but with concerns of receiving the same issue with replacements, these were resized at the base. \\ | ||
| The lifter has to be installed in the top facing the flats toward the engine or it hangs up on the cylinder fins. \\ | The lifter has to be installed in the top facing the flats toward the engine or it hangs up on the cylinder fins. \\ | ||
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| The hone was made from a ball hone with the balls removed and 400 grit sandpaper Gorilla glued to the shaft. \\ | The hone was made from a ball hone with the balls removed and 400 grit sandpaper Gorilla glued to the shaft. \\ | ||
| To keep center on the hone, a bushing was cut on the lathe with a slip fit hole small enough to accept the wire handle. \\ | To keep center on the hone, a bushing was cut on the lathe with a slip fit hole small enough to accept the wire handle. \\ | ||
| - | |The bores are slanted toward the pushrod cup \\ of each rocker arm.| Homemade hone to lightly clean up the lifter bore. || | + | |The bores are slanted toward the pushrod cup \\ of each rocker arm. ((photo by Hippysmack))| Homemade hone to lightly clean up the lifter bore. ((photos by Hippysmack)) || |
| |{{:techtalk:ref:engmech:sizing_a_fueling_lifter_base_8_by_hippysmack.jpg?direct&300|}}|{{:techtalk:ref:engmech:sizing_a_fueling_lifter_base_7_by_hippysmack.jpg?direct&300|}}|{{:techtalk:ref:engmech:sizing_a_fueling_lifter_base_11_by_hippysmack.jpg?direct&300|}}| | |{{:techtalk:ref:engmech:sizing_a_fueling_lifter_base_8_by_hippysmack.jpg?direct&300|}}|{{:techtalk:ref:engmech:sizing_a_fueling_lifter_base_7_by_hippysmack.jpg?direct&300|}}|{{:techtalk:ref:engmech:sizing_a_fueling_lifter_base_11_by_hippysmack.jpg?direct&300|}}| | ||
| - | The hone was turned by hand for app. 10 turns (while holding the bushing in place) per lifter bore to clean up the scratches. | + | The hone was turned by hand for app. 10 turns (while holding the bushing in place) per lifter bore to clean up the scratches. \\ |
| + | Due to the slanted bores, the bushing was raised slightly while honing. \\ | ||
| + | |Hone held through center of pushrod hole. ((photo by Hippysmack))|This is all that was removed from all 4 bores \\ combined. ((photo by Hippysmack))|All scratches weren't removed but honing too much \\ would open the bore too far. ((photo by Hippysmack))| | ||
| |{{:techtalk:ref:engmech:sizing_a_fueling_lifter_base_9_by_hippysmack.jpg?direct&300|}}|{{:techtalk:ref:engmech:sizing_a_fueling_lifter_base_10_by_hippysmack.jpg?direct&300|}}|{{:techtalk:ref:engmech:sizing_a_fueling_lifter_base_12_by_hippysmack.jpg?direct&300|}}| | |{{:techtalk:ref:engmech:sizing_a_fueling_lifter_base_9_by_hippysmack.jpg?direct&300|}}|{{:techtalk:ref:engmech:sizing_a_fueling_lifter_base_10_by_hippysmack.jpg?direct&300|}}|{{:techtalk:ref:engmech:sizing_a_fueling_lifter_base_12_by_hippysmack.jpg?direct&300|}}| | ||
