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MSD distributor question

fordgtfordgtMember
I am running an MSD pro-billet distributor, (I think it is part number 8577) Anyway, while I am in the process of getting my carb rebuilt and intake and exhaust jet hot coated, I took out the distributor. When I removed the cap, it was full of corrosion (no the coolant from my earlier post didn't go there ) Smiler Anyway, I called the MSD tech support people and they will rebuild it for about 40% of the cost of a new one. Here is my question, the tech guy said I should drill four 1/4 inch holes in the cap below the level of the rotor and that I should make sure the vent hole on top is open and also drill another hole in the top. Said it would act as a "vortex" and draw air in from the bottom of the distributor cap and exhaust it out the top. Okay, really now the question, anyone ever heard of doing this?

thanks

Gary #06984
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J jffrMember
quote:
Originally posted by fordgt:
I am running an MSD pro-billet distributor, (I think it is part number 8577) Anyway, while I am in the process of getting my carb rebuilt and intake and exhaust jet hot coated, I took out the distributor. When I removed the cap, it was full of corrosion (no the coolant from my earlier post didn't go there ) Smiler Anyway, I called the MSD tech support people and they will rebuild it for about 40% of the cost of a new one. Here is my question, the tech guy said I should drill four 1/4 inch holes in the cap below the level of the rotor and that I should make sure the vent hole on top is open and also drill another hole in the top. Said it would act as a "vortex" and draw air in from the bottom of the distributor cap and exhaust it out the top. Okay, really now the question, anyone ever heard of doing this?

thanks

Gary #06984


Never heard of trying to vent a distributor cap, but it sounds like a good way to get moisture into it and cause problems. If you drive the car in the rain or hit a good puddle of water, you might short the distributor out.
v8capriv8capriMember
I have heard of simular things for stray currents.
I would be in 2 minds to do it.
You would have to go through a puddle from hell to get water in it from driving.
the holes would allow moisture to pass through, and not get trapped in there.

sorry I don't know, i would probably NOT do it.but do make sure the vent hole can breathe.
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