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11-27-2023, 05:28 PM | #67 |
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I am taking my magnesium valve cover to have it vapor honed and powder coated. My question: Is "polymer" primer the same as epoxy primer from prismatic powders? or whats the best powder coat primer for the underside of the valve cover and sealing surface? Thanks Dean's Bimmer.
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12-04-2023, 07:39 PM | #68 | |
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Quote:
Last edited by rg1220; 12-04-2023 at 07:51 PM.. |
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05-06-2024, 11:10 AM | #69 |
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Thanks again for this write up! Followed everything best I could. Used an Epoxy Primer and Desert Wrinkle Red powder coats from Prismatic Powders. Built a PID temperature controlled oven and baked everything per their instructions.
They're not perfect but they look good and I think they'll hold up for a long time. |
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05-15-2024, 08:43 PM | #70 |
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Update: Valve covers were leaking a good bit. However, I didn't use any sealant in the valve cover groove.
Leak seems to be fixed by: 1. Added a small amount of sealant in valve cover groove (like the OP originally recommended ) 2. Lubed the rubber grommets that are on the valve cover bolts with some dielectric grease. The bolts have such a low torque value that the grommets weren't slipping 100% into place by the time I hit the 6nm. Had used new NRW grommets. |
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