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Join Date: May 2007
Location: Melbourne Australia
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What does this switch do?
I just found this on my 930 that i just bought. Its located behind the heating switch. Between the seatbelt connectors..
Sorry about the quality. 
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1983 930. Stock at the moment. |
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12-18-2007, 12:24 AM
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dial-a-death?
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The fun - '06 Carrera, '79 930, '06 S4 Avant, '16 i8 The mundane - '24 Tesla Model 3, '22 Tesla Model Y, '19 Tacoma |
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12-18-2007, 01:08 AM
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Quote:
 ha ha might not tuch it then
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1983 930. Stock at the moment. |
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12-18-2007, 01:15 AM
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Mine is under my rear fender. Keeps the temptation at bay.
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The fun - '06 Carrera, '79 930, '06 S4 Avant, '16 i8 The mundane - '24 Tesla Model 3, '22 Tesla Model Y, '19 Tacoma |
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12-18-2007, 01:59 AM
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what does this switch do?
Mine is mounted on the center console, and it can click 4 times either to the left or to the right, mine was set 4 click to the right when I bought the car, it has been 2 years now since I own the car but I still don't know what that little knob is for and I am scare to touch it.
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12-18-2007, 04:42 PM
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Niklas, do you know if your car has Andial fuel enrichment? If so, that looks like the knob to adjust the frequency. You might look under the passenger seat for the control module as that is where they are typically mounted.
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12-18-2007, 06:23 PM
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Quote:
thanks
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1983 930. Stock at the moment. |
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12-18-2007, 10:24 PM
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OSI930 it has the Andial box under the seat. So how does this thing work if you don`t mind you asking.
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1983 930. Stock at the moment. |
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12-18-2007, 11:57 PM
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The knob controls the frequency valve duty cycle for fuel enrichment. All the way left is off, 1 step clockwise is 20% duty cycle which is minimum enrichment, 2nd step is 25%, 3rd step is 30%, and the 4th step clockwise is 40% duty cycle which is maximum enrichment. The system relies on a Hobbs switch to recognize boost pressure and is typically activated at 0.6 bar boost pressure. You can go to Andial.com to read more about it as they still list it on their website. I can email you the installation instructions as well.
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12-19-2007, 05:55 AM
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A fellow Pelacanite
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Basically it lowers the fuel pressure from the WUR to the fuel head. This then enriches the air to fuel mix to the engine.
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1981 UK 930. G50/01 shortened, 964 3.8RS Fibreglass Body Kit, 18" Alloys 8.5" F & 10" R, 225's F & 285's R, Special Colour Metallic Blue Paint, FIA Sparco Evo's, A/C and Air Pump removed, Electronic Boost Controller, GHL Headers, Tial46 WG. Fitting - New service kit. Needs Fitting - Innovate XD-16 Kit, Kokeln IC. Stephen's K27 HFS, EVO Intake Assy & his Modded USA Fuel Head. 1983 UK 911 3.2 Carrera Sport Coupe. Black, Black Leather with Red Piping, Black Alloy Gear Knob, K&N Air Filter Element, Turbo Tie rods. Needs Fitting - K&N CO Sensor, Round A/F Dial Gauge, Factory Short Shift Kit. http://www.danasoft.com/sig/Iamnotanumber.jpg |
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12-19-2007, 01:39 PM
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Basically it sucks... Andial's system only adds fuel in the midranges. Really does nothing positive up top where you need it. I'd get a good bearing on your A/F ratio to confirm that you are running within the safety zone.
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Rob Montgomery '88 Blk/Blk 930 ('Lucy') - Not Stock & Not Running |
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12-19-2007, 02:18 PM
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Thanks for all your help. As i am considering other upgrades later on i might just not touch the switch for now. Car runs great and that is the main thing at the moment.
Cheers Niklas
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1983 930. Stock at the moment. |
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12-19-2007, 09:12 PM
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How about some pictures of the engine bay, Niklas?
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Merv '89 911 Turbo Cab Protomotive MAP ECU, Twin Plugged Heads, GT2-EVO CAMs, 3.3L fully finned P&C's, ARP fasteners, C2T head gaskets, Titanium Retainers, Turbo spec valves, springs & guides, 964 splash valves, GT35R BB turbo, GSF Stainless Headers, Magnaflow Exhaust, Full bay Intercooler, TiAL 46mm w/gate, TiAL 50mm BOV, Apexi AVC-R EBC, SPEC Stage3+ Clutch kit, Crane CDI Ignition
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12-20-2007, 02:56 PM
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Will post some tonight.
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1983 930. Stock at the moment. |
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12-20-2007, 04:24 PM
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