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I live in Houston, Texas and we had a a very humid and wet spring after I installed the vented cap and new rotor in mid April this year. No issues with moisture getting in the distributor.Does vented cap mean what it sounds like? I live in a high humidity area (SC) - would that invite trouble?
The PO of my truck installed an Accel coil. I started cooking ICM's to the tune of one a week at the last. Went to the treasure yard and pulled two OEM coils. Installed one and had to replace a suspect ICM that died. It had been run on the Accel coil. A new ICM has been running for about 3 weeks now with no issues.
Ken
I have the United Motor Products blue vented cap with brass contacts, and a Blue Streak rotor, on my 5.7 Vortec Burb. I have Belden wires to put on it, before Labor Day weekend. Several things to fix or check out on the Burb before then( my next road trip and it'll be running loaded and pulling a small trailer). I installed the cap and rotor in mid April and it's been money well spent.
One thing to consider when using a vented cap is the rubber seal that runs on top of the cowl that seals the hood and cowling can over time become compressed and can leak--almost invariably right on top of the friggin' distributor.......
Sounds about right; I got them at Napa. Second Saturday discount, and I got AC plugs then too. Changed those when I did the cap and rotor, and the coil wire. But it got hot before I got to the plug wires... I want to take my time and route them properly. But I need to do them before the next trip. We'll be past 200K by then and hauling a load, in September in central Texas. Want everything to be as good as can be....I finally ordered and received the vented UMP cap.... actually I bought their tune up kit: cap, rotor, wires, wire clips. I've already got copper NGK plugs in boxes. Hopefully, I'll get to it soon.
I Googled the Belden wires.... looks like it's a Belden/NAPA partnership of some kind.