msgjd
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You guessed it, the town of new marlboro installed it for ether .. It was always a sore spot when i owned the truck, among a couple other tidbits that happened to it previously .. Glad you took the time to replace it with an expandable plug, and that type of plug sure was a good idea !My rig came with a 3/4 inch draincock installed in the air intake pipe. I'm assuming it was a modification for squirting starter fluid directly into the air supply as it made no sense as a drain being mounted on the upper part of the air pipe. If there was that much "condensation" in my pipe I'd be in deep cah, cah.
It was difficult to secure and would pop out if brushed against. Replaced it with a 3/4 inch bait tank plug. It's easy to remove for starting while being flush with the pipe when secured.
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