displaying posts 1 to 4 of 4

Author Subject: blasting engine parts (thermostat housing + vac pump)
rikky 🦔

Location: cheshire

Registered: 28 Feb 2004

Posts: 26,796

Status: Offline

Post #1
i've got loads of bits at the powdercoaters at the moment being done for my engine.

could the thermostat housing, and the outlet / take off (metal one for a 205 gti6 conversion) be blasted with steel media and coated or is it too soft? i recall reading you couldn't blast them and best to do them with VHT paint after

same question with the vacuum pump - if i strip it down, will it be ok to blast/coat?

anyone?

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Posted 28th Oct 2020 at 10:31
jord294

Seasoned Pro

Location: somewhere in north wales

Registered: 09 Nov 2009

Posts: 3,110

Status: Offline

Post #2
Vapour blasting is best

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Posted 28th Oct 2020 at 11:43
S8-Tom

Regular

Location: Chichester

Registered: 02 Feb 2018

Posts: 344

Status: Offline

Post #3
Did mine this way. There's some pics on post #117 of my project thread that show the thermostat housing and vacuum pump back on the engine after blasting and a coat of VHT paint.

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Posted 28th Oct 2020 at 20:42
alcon

Senior User

Location: Glasgow

Registered: 19 Jan 2005

Posts: 936

Status: Offline

Post #4
I blasted mine using 60/80 grit aluminium oxide with no issues

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1999 GTi-6 (china blue)
1999 Rallye (black)
Posted 28th Oct 2020 at 18:56

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