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Old 10-03-2012, 11:38 AM
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Plastic line can be run inside vacuum tubing to protect it and prevent kinks. Similar to how the OEM did w/copper tubing- before they discontinued using it in favor of steel or plastic, they used a bonded rubber outer covering on them especially in places where there could be contact w/anything. The factory also used a double loop at the end to help keep the copper line from breaking from metal fatigue or work hardening and to compensate for temp changes.

If the line is going to be changed, change it to something that's better than either: Braided Stainless Steel Mechanical Gauge Hose Kit
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