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techtalk:evo:engmech02b [2019/02/28 20:41] hippysmack [Test Fit the Lifters] |
techtalk:evo:engmech02b [2019/03/01 03:02] hippysmack [Considerations Before You Begin] |
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Notice how the left side of the pin touches the wall and the right side doesn't. \\ | Notice how the left side of the pin touches the wall and the right side doesn't. \\ | ||
The pin diameter is split between the lifter bore and the pushrod tube drain. \\ | The pin diameter is split between the lifter bore and the pushrod tube drain. \\ | ||
- | {{:techtalk:evo:engmech:91-99_lifter_pin_screw_upgrade_42_by_hippysmack.jpg?direct&300|}} ((photo by Hippysmack)) | + | |
+ | The pin sits just a few thousandths away from the lifter flat also. \\ | ||
+ | {{:techtalk:evo:engmech:91-99_lifter_pin_screw_upgrade_42_by_hippysmack.jpg?direct&300|}} ((photo by Hippysmack)) {{:techtalk:evo:engmech:91-99_lifter_pin_screw_upgrade_521_by_hippysmack.jpg?direct&400|}} ((drawing by Hippysmack)) | ||
Simplified drawings of the upgrade: \\ | Simplified drawings of the upgrade: \\ | ||
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|{{:techtalk:evo:engmech:91-99_lifter_pin_screw_upgrade_49_by_hippysmack.jpg?direct&300|}}|{{:techtalk:evo:engmech:91-99_lifter_pin_screw_upgrade_50_by_hippysmack.jpg?direct&300|}}| | |{{:techtalk:evo:engmech:91-99_lifter_pin_screw_upgrade_49_by_hippysmack.jpg?direct&300|}}|{{:techtalk:evo:engmech:91-99_lifter_pin_screw_upgrade_50_by_hippysmack.jpg?direct&300|}}| | ||
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+ | You can use a feeler gauge between the pin and lifter flat. \\ | ||
+ | The gauge below has wide blades so the lifter was raised without the pin installed, lowered and the pin was inserted. \\ | ||
+ | In this case, start with the smallest feeler gauge and work up in size until the screw will no longer go in the hole. \\ | ||
+ | The lifter below has app .001" clearance to the pin screw. \\ | ||
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+ | |{{:techtalk:evo:engmech:91-99_lifter_pin_screw_upgrade_47_by_hippysmack.jpg?direct&300|}}|{{:techtalk:evo:engmech:91-99_lifter_pin_screw_upgrade_48_by_hippysmack.jpg?direct&300|}}|{{:techtalk:evo:engmech:91-99_lifter_pin_screw_upgrade_51_by_hippysmack.jpg?direct&300|}}| | ||
If a screw locks up a lifter when installed, the back hole did wander away from center. \\ | If a screw locks up a lifter when installed, the back hole did wander away from center. \\ | ||
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|{{:techtalk:evo:engmech:91-99_lifter_pin_screw_upgrade_36_by_hippysmack.jpg?direct&300|}}|{{:techtalk:evo:engmech:91-99_lifter_pin_screw_upgrade_37_by_hippysmack.jpg?direct&300|}}| | |{{:techtalk:evo:engmech:91-99_lifter_pin_screw_upgrade_36_by_hippysmack.jpg?direct&300|}}|{{:techtalk:evo:engmech:91-99_lifter_pin_screw_upgrade_37_by_hippysmack.jpg?direct&300|}}| | ||
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====== If the lifters lock up ====== | ====== If the lifters lock up ====== | ||