They charge anywhere from $50 - $75 a lb. for R-12 in my area. For the price of a refill with R-12 and labor, you could have an AC shop do the whole conversion for you if you're not comfortable doing it yourself. Check some shops and get some estimates.
It is imperative you pull a vacuum before any refill.
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'89 LX 5.0 - 5 speed. Original Owner
'94 E-150 Conversion Van
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