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MG MGB GT V8 Factory Originals Technical - Here's an interesting one...


Just read that on No account should you sand or grit blast any aluminium engine components..The abrasive microscopically embeds itself into the surface , normal washing won't remove it .But it will come out over time due to engine heat and oil-wash with obvious results...££££
John

You should never use 'sand' to sand blast, but you can use aluminum oxide.
Michael Hartwig

John,

I shotblasted my Rover V8 with "glass pearls" before overhauling it 4 years ago and never faced any problems.
I did the same with 2 motorbike engines and never faced any problems like high oil consumption.
In these 3 cases i only shotblasted the outside of the engines and covered all faces like where the heads were mounted with wooden plates to avoid shotblasting these areas.
Good luck
Peter
Peter van de Velde

It's probably true that Sand should not be used to clean internal engine parts. However, aircraft engine manufacturers and rebuilders commonly use Glass Beads or Walnut hulls to abrasive blast internal engine parts.
Gordon

Yes, that's correct, it's not aluminum oxide, it's glass bead.
Michael Hartwig

Now if you are really into cleaning aluminum engines, then you have to see this site

http://www.gomog.com/mi/GoMoG/plus8eng.html#Cleaning%20Aluminum%20Engine
Gordon Lane

This thread was discussed between 10/12/2001 and 12/12/2001

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