Quote:
Originally Posted by 70 copo
Gotcha! Assuming your Firebird is a Norwood Build then as an example the order was expressed as:
-Second undercoat and Prime
-Bake
-Wet sanding/Buff
-First finish coat
-Bake
-Second Finish Coat
-Bake
-Polish
(Echoes of Norwood page 96 (GM/FB paint process order flow chart)
BUT: the process changed again slightly with the phase in of ELPO and the use of the 50,000 gallon electrostatic prime system
In the Pre Elpo era of sprayed undercoat and prime, Buffing was done primarily to remove dirt from the undercoat prior to the first paint coat.
After the phase in of ELPO primer the paint process featured the addition of buffing before the final reflow oven. After the reflow oven the unit went to the polish station as normal.
The car could also be sanded and buffed again in a final step at an area called Automotive General Repair (AGR).
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You have reminded me: In the truck world we did do a light scuff of the ELPO and then wipe with a tack rag but it was to promote adhesion of the color coat as much as anything else.
K
http://www.73-87.com/7387info/Assembly%20Line.htm
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'63 LeMans Convertible
'63 Grand Prix
'65 GTO - original, unrestored, Dad was original owner, 5000 mile Royal Pontiac factory racer
'74 Chevelle - original owner, 9.85 @ 136 mph best
Last edited by Keith Seymore; 06-20-2019 at 12:16 PM.
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