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Member
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Join Date: Oct 2009
Posts: 248
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Member
Join Date: Oct 2009
Posts: 248
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Sandblasting Opinions Requested
I have a painted valve cover from another car that I'm going to media blast myself. If anyone has any experience, would love some input:
1) The Valve Cover is Magnesium
2) My plan is to use Soda (medium grade) for the cover inside and outside. If that doesn't work, I'm going to use medium Glass bead for the outside and might leave the inside as is.
3) If I can't get rid of the paint on the outside with Soda, I will switch to Glass Bead, with Aluminum Oxide as a final last resort.
4) I intend to use Zinc Chromate primer with a flat black wrinkle coat spray paint in the end for the outside. I don't plan to paint the inside.
There are NO oil baffles on the valve covers, it's just a single piece.
My one concern is using glass beads on the inside and possibly having some "embedded" that might work itself loose later one (since Mg is so soft?). As I understand, Soda pretty much disintegrates/washes off.
Can I blast the edges that the gaskets sit inside or would that risk creating leaks? Those gasket seats are also painted the the paint is bubbling in various places in various degrees already.
Does this sound about right or would you have other experienced suggestions?
Thanks!
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2000 Limited V6 4WD | Factory Locker | 2nd Gen SC | NGK Spark Plug Wires | AEM Boost/AFM Gauges | Scangauge II | Sonoran Steel 1.2 Lift/Washer Reservoir | AirLift Rear Airbags/Wireless Compressor | 4XInnovations Front/Rear Bumpers | Schrockworks Skid Plates/Sliders | Warn 12k LBS Winch-Synline | LED Halo Driving Lights | LED "Satoshi Cover" Lightbar | Thermal IR Cam | BFG All-Terrain KO2 | Kenwood with Sirius/Garmin Nav and Surround-View Cam | Heated Seats | Lumbar Support | Blacked out Emblems TRD Badge | Rear Diff Breather Extension | LED Taillights | LED 6k Headlights | 120V Power Socket | Flipped Hood and Fuel Release | Rear Window Switch in Cargo Area | Custom FlipBlade Key | Warm White LEDs
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