SOHC.co.uk Forums > CB350/400

Wet blasted casings

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BrianC500:
I had my CB400F engine casings wet blasted by someone that came highly recommended. Instead of using glass bead he used ground glass which was far too abrasive. Would getting them re-blasted with glass bead help to smooth them over? Or, am I destined to spend the next 10 years polishing them up?

Trigger:
It is down to the grade of bead they are using. The finer the bead = a smoother finish. What cases did you have vapour blasted ?

BrianC500:
The whole engine was blasted.

Trigger:
I would not like to clean that mess up.
I don't understand why people go down he vapour blasting route. I have been building Honda engines for more than 26 years and this way of cleaning has many dangers.

BrianC500:
The engine was in a very poor state. It had been kept in a damp leaking lock up for 26 years and was very corroded. Unfortunately I wasn't able to be there when it was done. One massive lesson!

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