Quote:
Originally posted by Badinfo
This is very interesting. Could someone figure things out if they have a light for US spec m103s? I would be interested to know if 750ohms gives us the greatest advance (or lowest retard). Because I mean, Greg said he checked the timing on his Oz deliveries, and found 750 got the most advance (or least retard). A timing light sure beats my seat o the pants meter in determining advance/retard curves... Guidance requested...
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I too would be very interested for someone to check their US spec car with a timing light. Better still would be to see some dyno figures.
I would have expected that the ignition modules to have been the same for all markets with simple changes to R16 to suit the differing markets. Maybe not? It just seems odd that MB would fit both a different module and different R16. From memory, the US spec M103 used 750 ohms whereas mine originally used 220 ohms. I think the Euro spec with the multi-position selector (fitted with all resistor values) used 750 ohms for the higher octane fuel setting (marked S) and 220 ohms for the lower octane setting (marked N). My owner's manual covers this selector and only suggests using either of these positions (not others).
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107.023: 350SLC, 3-speed auto, icon gold, parchment MBtex (sold 2012 after 29 years ownership).
107.026: 500SLC, 4-speed auto, thistle green, green velour.
124.090: 300TE, 4-speed auto, arctic white, cream-beige MBtex.
201.028: 190E 2.3 Sportline, 5-speed manual, arctic white, blue leather.
201.028: 190E 2.3, 4-speed auto, blue-black, grey MBtex.
201.034: 190E 2.3-16, 5-speed manual, blue-black, black leather.
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