If you're looking for reliable valve refacing machines, reviews online emphasize the importance of quality and performance. Many experts recommend considering brands with a proven track record, such as Kwik-Way and Tobin-Arp, known for their durable and efficient machines.
I acquired a used SVS II some time ago. After replacing the chuck balls, belts, and other minor components as well as fitting a new wheel, I essentially gave it a good tune-up. Although its exterior didn't look the best, I was able to secure it at an excellent price – a reminder that appearances can be misleading. As it stands, it holds approximately . to . run out with the original chuck, which suffices for my requirements. Given the prices I observed on the used market, I might have just as well opted for a new machine from Kwik-Way with the HP chuck (noted for a run out of . and compatibility with 4mm stems) if I needed a machine urgently. I spent around 4 to 5 months searching for a reasonably priced used model in my area, and as I've noted, most would probably have been discouraged by the worn appearance of my current machine. Evaluating a used machine without being able to examine it in person is somewhat of a gamble, regardless of the dealer's reputation or claims of refurbishment.
Throughout my career since the mid-70s, I've primarily utilized Kwik-Way equipment, making it challenging to compare with other brands. Overall, they deliver consistent and reliable performance. I vaguely recall using a Tobin-Arp machine long ago, which was quite effective based on my memories.
I wouldn’t hesitate to recommend Kwik-Way machines, whether new or a well-reviewed used unit, as long as you have the opportunity to inspect it before purchase. If you require precision greater than . run out, I honestly can't say where you might find it. Preferences often vary, heavily influenced by personal experiences and what users have grown accustomed to. Ultimately, it also depends on what you need and the time you are willing to invest in searching.
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