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engine:vacuumrouting
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engine:vacuumrouting [2025/08/27 07:56] 57.141.6.7 old revision restored (2025/06/23 01:45) |
engine:vacuumrouting [2025/08/30 04:00] (current) 57.141.6.7 old revision restored (2025/06/18 02:34) |
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| * Purple and Yellow lines are connected (ignition) | * Purple and Yellow lines are connected (ignition) | ||
| * Cyan and Green lines are connected (fuel pressure) | * Cyan and Green lines are connected (fuel pressure) | ||
| - | |||
| - | ==== Connection Guide ==== | ||
| - | |||
| - | Referring to the colors above: | ||
| - | |||
| - | Orange (this is a vacuum circuit)\\ | ||
| - | * Thin nylon line coming from a " | ||
| - | * Thin nylon line going to the HVAC flap valves | ||
| - | * Connected to airbox | ||
| - | * Connected to the the intake flap valve | ||
| - | * Connected to the top port of the ignition solenoid | ||
| - | |||
| - | Green\\ | ||
| - | * Connected on the front of the intake rail | ||
| - | * Connected to the top port of the fuel pressure solenoid | ||
| - | |||
| - | Magenta\\ | ||
| - | * Connected to the bottom, center port of the ignition solenoid | ||
| - | * Connected to the top port of the distributor (away from the engine) | ||
| - | |||
| - | Purple\\ | ||
| - | * Connected to the bottom, side port of the ignition solenoid | ||
| - | * Connected to the front edge of the first carb | ||
| - | |||
| - | Cyan\\ | ||
| - | * Connected to the bottom port of the distributor (toward the engine) | ||
| - | * Connected to the plenum (center top) | ||
| - | * Connected to the bottom, side port of the fuel pressure regulator | ||
| - | * Clear, hard line to the boost gauge (probably the " | ||
| - | |||
| - | Blue\\ | ||
| - | * Connected to the bottom, side port of the fuel pressure solenoid | ||
| - | * Connected to the fuel pressure regulator | ||
| - | |||
| - | Brown\\ | ||
| - | * Clear (but probably more yellow), hard line to the oil pressure gauge | ||
| - | * Connected to the Oil Gallery Cover which is right under the distributor, | ||
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| - | |||
| ==== Vacuum Solenoids ==== | ==== Vacuum Solenoids ==== | ||
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| {{: | {{: | ||
| - | The least expensive replacement unit is an A/C Solenoid Valve part 1470004 or SW9000. | + | The least expensive replacement unit is an A/C Solenoid Valve part 1470004 or SW9000. This operates in a similar fashion to the stock unit as long as you set up the vacuum lines properly. These can be purchased for about 1/2 the cost of the Pierburg unit. |
| - | This operates in a similar fashion to the stock unit as long as you set up the vacuum lines properly. | + | |
| - | These can be purchased for about 1/2 the cost of the Pierburg unit, however, note that the connections are 5mm which are bigger than the stock vacuum lines. | + | |
| {{: | {{: | ||
| {{: | {{: | ||
engine/vacuumrouting.1756281388.txt.gz · Last modified: 2025/08/27 07:56 by 57.141.6.7 · Currently locked by: 57.141.6.26
