Quote:
Originally Posted by gsxr
Pulling the resistor increases retard, right? Which I understand may reduce detonation under boost, but on a normally aspirated engine, it would actually cause a power LOSS instead of a power gain.
I'd still like to see factory documentation that shows 6° retard for a resistor value of 750 ohms (as well as for the other half-dozen values). The FSM ( click here to view PDF file) doesn't seem to jive with those values, at least for CIS injection on the M103...
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Happy to think it's false, but I believe I have
some proof... here
http://www.hamsk.ru/murzik/KE-jetronic/WIS%20Test%20data%20KE.pdf
bottom section of page 3
or
http://www.hamsk.ru/murzik/KE-jetronic/EZL.pdf middle of page 3
but it isn't totally conclusive. To cloud measures the second link appears to have a translation issue and has a W instead of an ohms symbol but those W readings coincide with my own resistance measurements for this trimming plug, apart from position A -1W I believe this should be an infinity symbol as infinite resistance is what is found on my car's plug at that position (and 1 ohm seems very unlikely given the 0 ohm reading at the opposite G position of the scale...