I used the March kit and it worked nicely. A pretty easy job to do on a Saturday morning.
My A/C lines were about empty, so I just disconnected everything with no issues. *Technically* I think you're supposed to get a special device that 'catches' all the pressurized chemicals.
E
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1991 5.0 LX Coupe - 40,750 miles
331 cu. in. / Tremec 3550 / BFG Drag Radials
12.22 @ 114.31 mph - w/1.89 60'
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