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stllookn · 09-05-2007, 04:20 PM

Use a heat gun to remove the old seam sealer caulk. Final cleaning with a 10,000 rpm small diameter wire wheel works great on your air grinder. I use an etching primer under the new 2-part epoxy seam sealer. Or you can use the old GM seam caulk but the newer flexible epoxy seems more durable.

09-05-2007, 04:20 PM	#8
stllookn Saving 1 truck at a time! Join Date: Aug 2001 Location: Kent, WA Posts: 6,465	Re: Restored Drip Raills Use a heat gun to remove the old seam sealer caulk. Final cleaning with a 10,000 rpm small diameter wire wheel works great on your air grinder. I use an etching primer under the new 2-part epoxy seam sealer. Or you can use the old GM seam caulk but the newer flexible epoxy seems more durable. __________________ '68 C20 Longhorn 50th Anniversary 400/TH400 '68 C20 Longhorn 50th Anniversary 468/TH400w/buckets '72 C20 Halfhorn (Longhorn w/o cab and front clip) '69 Flxible Cruiser (look up ugly in the dictionary)