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i am replacing my head gasket on my '87 740 turbo. I've sent out the head to get a valve job done and a resurface. i read about that you have to be very careful to clean the engine block surface where the head gasket goes.
My question is, can i use a fine rotating wire brush to clean the surface? I would use my electrical drill to do the job, and use lacquer thinner to clean up. Or shall i still go for the razor blade as described in FAQ. Basically, what's the best and easiest way to clean the surface.
Also, when i removed the head, a lot of carbon deposit fell into the cylinders. can i "just" vacuum it out with a vacuum cleaner?
thanks!
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