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Hozer 88GTConv · 11-12-2006, 10:42 PM

Anybody had probs with this? I've been chasing down an electrical gremlin.

The car runs great, then inexplicably runs crappy.
KOER tests show nothing unusual, same old "thermactor" codes and the egr (egr simulator from ebay installed).
Cylinder balance test when engine running "crappy" shows multiple cylinders weak.
I've been over everything, fuel, spark, batt, alt, grounds. When I popped the distro cap off, there was visible condensation in the cap. There was a yellowish powder on the bottom of the distro.
The vent cap was basically blocked by a spark plug wire, so I 'm deducing that this is bad.
Anybody drilled holes in their distro to aid in venting ionized air?

11-12-2006, 10:42 PM	#1
Hozer 88GTConv Registered Member Join Date: Feb 2002 Location: Jacksonville, FL Posts: 706	MSD distributor vent question... Anybody had probs with this? I've been chasing down an electrical gremlin. The car runs great, then inexplicably runs crappy. KOER tests show nothing unusual, same old "thermactor" codes and the egr (egr simulator from ebay installed). Cylinder balance test when engine running "crappy" shows multiple cylinders weak. I've been over everything, fuel, spark, batt, alt, grounds. When I popped the distro cap off, there was visible condensation in the cap. There was a yellowish powder on the bottom of the distro. The vent cap was basically blocked by a spark plug wire, so I 'm deducing that this is bad. Anybody drilled holes in their distro to aid in venting ionized air? __________________ 1988 GT Convertible 331 10:1 TW heads, GT-40 intake, MSD, TRW flattops, B Cam w/ 1.7's, MAC exhaust, 24's, 70 TB, 76 MAF, 3.73's, Pro 5.0, Koni's, Anderson PMS, Wideband 02, yatta, yatta... One week with new motor, two speeding tickets...joy