Restoring - General discussions that span across many different groups of years and models > Parts
67 smog pump "air filter"
preaction:
Does anyone have pic or a part number for the filter media that was used in the 67 air pump filter cans. I have the reproductions from NPD but never seen an original, are the NPD parts accurate ?
67gtasanjose:
I have some, but the originals were oil-soaked and over time, the oil broke down the foam or "sponge-like" material. (read as NOS are no longer usable)
They appear to be a black foam. I'll have to look at them again to get you the number. Scott Drake reproductions were a blue-colored foam, is that what NPD has?
preaction:
NDP sells the blue one, my guess is those are the only one's going so I bought 2 there cant be much demand for these.
J_Speegle:
Originally it was a section of tan colored foam bonded at one end. Similar to the product used to insulate the 68-70 bypass valves.
For service pieces they were stored in a plastic bag in oil as 67gtasanjose wrote.
Service replacement filters (the assy) came without the filter element.
Think my last NOS just got tossed since it was unusable.
I would make my own out of 1/2" thick open cell foam next time I need one
Either way you will not be able to see the filter once the filter is assembled
preaction:
I realize no one will be seeing this part I ask for my education so in that rare event I see one I may be able to identify it, thanks.
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