I recently picked up a 885 head to rebuild and eventually swap onto my (running) car. I've started to clean up the cylinder head and noticed some marring in the bowl area adjacent to the valves. These marks are in 4 of 6 of the cylinders.
Could this be from detonation and do you think smoothing this out prior to resurfacing would be sufficient?
I plan to send the stripped heads to the machine shop after some cleaning and polishing.
I've rebuilt cylinder heads for Subarus before and from what I recall detonation marks were a little different.
Thanks in advance.
Could this be from detonation and do you think smoothing this out prior to resurfacing would be sufficient?
I plan to send the stripped heads to the machine shop after some cleaning and polishing.
I've rebuilt cylinder heads for Subarus before and from what I recall detonation marks were a little different.
Thanks in advance.
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