Hi Rich,
when I rebuild my carbs I found packing string that looked completely like the
graphite packing string used by plumbers on faucets, valve stems, pumps and so
on. I found similar packing locally in the plumbing section of an Ace hardware
store. Item 40209 1/8 in. by 24 in. Looks like an impregnated twisted cord.
http://www.acehardwareoutlet.com/ProductDetails.aspx?SKU=40209
When I looked it up I learned graphite packing forms a seal when under pressure
and resists chemicals (gas) and high temperatures, so it sounded perfect for
the job. I didn't find references on the Healey list or car forums though.
Still have to fire up the car though and no idea if this was factory original
or result of a rebuild. Maybe other with more plumbing experience can chime in
but I will try this route hopefully soon if I don't hear of bad experiences
with this product.
Bert
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