I believe it was posted on "Tales" by George from Terre Haute. After so many days, "Tales" runs off the end of the spreader (so to speak) and the oldest posts are lost.
There's lots of theories about how the innards of those distributor caps corrode so badly, and GM has issued some service bulletins over the years regarding the screened vents in the distributor base, etc..
As I understand it, it MAY help to get the AC lines away from near the cap and /or insulate them 'cause the cooling effect on the cap MAY cause more condensation inside.
Cam sensor (which is in the distributor) offset is not adjustable after a certain year because of the pinned distributor holddown.
Theory is that is you defeat that and tweak the distributor position to get the cam sensor offset as close to "0" as possible, (need a scan tool to check this)the rotor tip will be closer to each individual high tension terminal when spark occurs, making for a shorter distance for the spank to jump between the rotor tip and high tension terminal, a shorter spark inside the cap = less ionized air and less corrosive ozone which (along with moisture) tears up the aluminum high-tension posts inside the cap.
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Today's Featured Article - Tuning-Up Your Tractor: Plugs & Compression Testing - by Curtis Von Fange. The engine seems to run rough. In the exhaust you can hear an occasion 'poofing' sound like somethings not firing on all cylinders. Under loaded conditions the tractor seems to lack power and it belches black smoke out of the exhaust. For some reason it just doesn't want to start up without cranking and cranking the starter. All these conditions can be signals that your unit is in need of a tune up. Ok, so what is involved in a tune up? You say, swap plugs and file the points....now tha
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