Coating used Headers
Joined: Mar 2000
Posts: 43,187
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From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: L92/LQ4 (both w/4" stroke)
Transmission: 4L80E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
The "surface rust" will have pitted the surface. Unless the tubes are polished, not just blased, the pits will pock the coating as well.
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iTrader: (33)
Joined: Jul 2000
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From: Boosted Land
Car: 92 Z28
Engine: Boosted LSX
yes. They will be acid washed inside ot get all the carbon and rust out.
The out side is media blasted with 80grit Alum. Oxide 1st.
Then coated inside and out.

http://www.cecoatings.com/images/coa...SLP%20Headers/
The out side is media blasted with 80grit Alum. Oxide 1st.
Then coated inside and out.

http://www.cecoatings.com/images/coa...SLP%20Headers/
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