A List Of Parts Necessary To Replacing The Core Support

1971 Buick GS Core Support Repair Body Filler

We wiped some body filler over the seam so the repair will be undetectable once installed.

Here is a list of the parts that you will need to accomplish this project on your own. Notice that all of these parts can be found at your local parts store, making it possible to acquire the necessary materials fairly easily.

Visit mrbuick.com for Buick specific parts, such as the core support replacement we installed here.

Parts	Source	PN	Price
'70-'72 Buick core support	High Torque Racing	Rebuild kit	$125 per kit per side
PPG DF705 body filler, 1 qt.	The Paint Place	DF705qt	$9.85
120-grit sandpaper, 1 sheet	The Paint Place		0.50
PPG DP90 epoxy primer, 1 qt.	The Paint Place	DP90qt	34.95
Weld-Thru primer, 1 can	The Paint Place		8.95
PPG seam sealer, 1 tube	The Paint Place		14.95
Tools
Spot-weld cutter bits, 3 pack	The Paint Place		7.95
3-inch cut-off wheel	The Paint Place		1.95
Matco wire-feed MIG welder	Matco truck		875.00
Matco die-grinder	Matco Truck		89.95
Craftsman corded drill	Sears		99.95
Labor
2 hours labor	Ramsey Auto Body		60.00
Total			$1,204.00

We used a DA-sander to level the filler and feather the edges using a 20-grit pad.
For the backside, we ran a bead of seam-sealer to fill the pinholes and keep moisture out, preventing future problems.
For the backside, we ran a bead of seam-sealer to fill the pinholes and keep moisture out,
A little PPG DP90 epoxy primer completed the repair with a smooth, flat finish that is going to look good under the flat-black engine-compartment treatment we're going to do next.
A little PPG DP90 epoxy primer completed the repair with a smooth, flat finish that is goi