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techtalk:ref:engmech04e [2019/10/27 21:26] hippysmack created |
techtalk:ref:engmech04e [2019/10/28 02:58] hippysmack [Testing from timing plug hole (57-03)] |
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| ====== Building Your Own Slack Tube ====== | ====== Building Your Own Slack Tube ====== | ||
| - | {{:techtalk:ref:engmech:homemade_slack_tube_1_by_hippysmack.jpg?direct&300|}} {{:techtalk:ref:engmech:homemade_slack_tube_2_by_hippysmack.jpg?direct&300|}} {{:techtalk:ref:engmech:homemade_slack_tube_3_by_hippysmack.jpg?direct&300|}} \\ | + | \\ |
| + | ====== Testing from timing plug hole (57-03) ====== | ||
| + | This method won't work on 04-up models as they have no timing hole plug. \\ | ||
| + | Basically you need some clear vinyl hose and a nipple fitting to replace the timing hole plug. \\ | ||
| - | {{:techtalk:ref:engmech:homemade_slack_tube_4_by_hippysmack.jpg?direct&300|}} {{:techtalk:ref:engmech:homemade_slack_tube_6_by_hippysmack.jpg?direct&300|}} {{:techtalk:ref:engmech:homemade_slack_tube_5_by_hippysmack.jpg?direct&300|}} \\ | + | A 3/8" flare to 1/4" FPT fitting with a 1/4" MPT to 3/8" hose barb (left pic below) can be used in place of the timing plug. \\ |
| + | The 3/8"x18 pipe fitting's threads apparently work out to fit in the 5/8"x18 threaded hole. \\ | ||
| + | |||
| + | In the center and right pics below basically show a modded 3/8" hose bib with an 1/8" hose bib fitting screwed into it. \\ | ||
| + | The hose bib was cut off, the ID drilled 11/32" and the hole threaded with a 1/8"x27 tapered pipe thread tap for the smaller fitting. \\ | ||
| + | You can buy a 3/8" to 1/8" bushing to accomplish the same thing. \\ | ||
| + | |||
| + | In this case, the taper bushing was ran it into a 5/8x18" die for a straight cut to use with a washer but the tapered fitting will do. ((Hippysmack of the XLFORUM http://xlforum.net/forums/showthread.php?p=5784790#post5784790)) \\ | ||
| + | The hole in a 5/16" stainless washer was enlarged to 5/8" to go up on the bushing. \\ | ||
| + | {{:techtalk:ref:engmech:timing_plug_adapter_by_aswracing.jpg?direct&300|}} ((photo by aswracing of the XLFORUM http://xlforum.net/forums/showthread.php?t=1946516&page=4)) {{:techtalk:ref:engmech:homemade_slack_tube_1_by_hippysmack.jpg?direct&300|}} ((photo by Hippysmack of the XLFORUM http://xlforum.net/forums/showthread.php?p=5784790#post5784790)) {{:techtalk:ref:engmech:homemade_slack_tube_2_by_hippysmack.jpg?direct&300|}} ((photo by Hippysmack of the XLFORUM http://xlforum.net/forums/showthread.php?p=5784790#post5784790)) \\ | ||
| + | |||
| + | The slack tube below is made from 1/8" clear Tygon vinyl tubing and a 2x4 app 3 feet long. ((photo by Hippysmack of the XLFORUM http://xlforum.net/forums/showthread.php?p=5784790#post5784790)) \\ | ||
| + | The backing plate is a 2x4 with an aluminum 36" ruler attached with drywall screws. \\ | ||
| + | |||
| + | {{:techtalk:ref:engmech:homemade_slack_tube_3_by_hippysmack.jpg?direct&300|}} ((photo by Hippysmack of the XLFORUM http://xlforum.net/forums/showthread.php?p=5784790#post5784790)) \\ | ||
| + | |||
| + | The drywall screws were also used to bind the hose between the ruler and the shank using the screw head to hold the hose down. ((photo by Hippysmack of the XLFORUM http://xlforum.net/forums/showthread.php?p=5784790#post5784790)) \\ | ||
| + | The black connector at the top is a cut down spark plug boot used as a sleeve for the hose connections. \\ | ||
| + | (technically if you buy enough length of hose, you don't need the connector) \\ | ||
| + | Just make sure all connections are sealed good. \\ | ||
| + | The engine will suck on the hose for the most part in varying degrees so there's not enough pressure to blow off the hose. \\ | ||
| + | A small piece of plywood screwed to the bottom of the 2x4 makes a nice stand for the unit. \\ | ||
| + | Then all you have to do is remove the timing plug, install the new fitting and hook the hose end to it. \\ | ||
| + | |||
| + | {{:techtalk:ref:engmech:homemade_slack_tube_4_by_hippysmack.jpg?direct&300|}} ((photo by Hippysmack of the XLFORUM http://xlforum.net/forums/showthread.php?p=5784790#post5784790)) {{:techtalk:ref:engmech:homemade_slack_tube_6_by_hippysmack.jpg?direct&300|}} ((photo by Hippysmack of the XLFORUM http://xlforum.net/forums/showthread.php?p=5784790#post5784790)) {{:techtalk:ref:engmech:homemade_slack_tube_5_by_hippysmack.jpg?direct&300|}} ((photo by Hippysmack of the XLFORUM http://xlforum.net/forums/showthread.php?p=5784790#post5784790)) \\ | ||
