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Does vapour blasting give the "factory" look or does it come out a bit flat and without a sheen that new engines have ? Some finishes look ok, but if you touch them once with a greasy hand, you can't get the smudge off. Is that an issue with vapour blasting ?
Here is a good site that explains some vapor blasting steps and results.http://www.arnoldsdesign.com/Vapor-Blasting.htmlThe part to the right on this image is vapor blasted as final stage.Image courtesy of the Arnolddesign.com site linked above
If you come through Portland let me know.Sent from my iPhone using Tapatalk
Does that mean you need to lower the standards for the finishes of the other parts of the bike to match the NOS parts?
Hi Chuck Glad you had a nice trip. Funny but not surprising that the NOS finish isn't as good as what you have finished yourself. On the final drive, could you make a write-up on the fitment of new bearings, seals and the shimming of the bearings? I need to do my final drive too when I get home so it would be nice to have some expert knowledge to start out with :) -Ulrik
I am not swapping the ring and pinion so I will be leaving the stock steel shim as is for the ring gear, and I plan on only replacing the pinion bearings and hope to not have to replace the pinion shims. That said I am replacing all the seals and bearings and will run some engineers blue over the gear mesh and record the imprint and see if I can make sense of the pattern as compared to the service manual. The Guzzi service manual black and white pictures are in my opinion pretty hard to read for what the correct mesh pattern should look like.
Thanks Shaun, only 99 +/ - more components to build!
Awestruck as usual with your work - what is the story behind this particular Lemans, as in - how did you come to get it and what do you know of its history? Looks like it led a rough life for a while....
You sure you want to use a Helicoil and not a Timesert?
Looks good, you make it seem so simple How do you check the preload of the pinion bearings and what should it be? -Ulrik
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