Quote:
Originally Posted by Duke2.6
750 ohm OE resistor:
17@1500
21@2000
27@2500 (maximum)
27@3000
27@3500
Zero ohm - plug shorted
09@1500
13@2000
18@2500
19@3500
21@4000 (maximum)
Infinite ohm - open circuit
16@1500
21@2000
27@2500
28@3500 (maximum)
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As I've been doing a little research on retarding my timing in order to improve emissions, I stumbled upon this thread and find it interesting that the shorted plug condition retards timing by almost 1/2 at 1500RPMs.
But what's more astounding is that the open circuit condition, that I've read many rave review about, seems to have virtually no impact on timing advancement, and therefore engine performance. This is quite a discrepancy. What could be the explanation for this?