Ignition help...Andy, Mark and I stumped :), not typical problem...Link EFI |
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Ignition help...Andy, Mark and I stumped :), not typical problem...Link EFI |
Mueller |
Aug 7 2005, 07:58 PM
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#1
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914 Freak! Group: Members Posts: 17,146 Joined: 4-January 03 From: Antioch, CA Member No.: 87 Region Association: None |
Static timed at 10°, no mechanical advace, the ECU controls spark (the ECU does not add advance from 0 rpm to 500 rpm)
Car starts up fine, once I get the revs to 2500 I get spark scatter...we cut a hole in the dizzy cap and confirmed this In the picture, the rotor turns clockwise. White marks are open windows for the trigger, red mark is the trigger....black marks on the body of the dizzy are the locations of the leads for the sparkplugs. I changed the location of the LED (red mark) and it did not seem to help at all...... Attached image(s) |
SLITS |
Aug 7 2005, 09:12 PM
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#2
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"This Utah shit is HARSH!" Group: Benefactors Posts: 13,602 Joined: 22-February 04 From: SoCal Mountains ... Member No.: 1,696 Region Association: None |
We had a problem on the race car with scatter. Turned out that I had not put a resistor in line with the coil to drop the voltage and the resulting spark energy in the cap was triggering the led (crane/allison led unit).
Cut a piece of heavy paper, painted it black and put it under the rotor.....problem solved dropped the voltage to the coil after that. |
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