Sioux 655 Valve Face Grinder

I just acquired a Sioux Valve Face Grinder No. 655. I am looking for a couple items to restore this grinder. I am missing the, and i find out most people are missing the stone Dressing post. I also have a valve stem attachment on the machine too but that too is missing a majority of its parts.

I am looking for either parts or other 655's that I can use parts from.


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To my knowledge the is no "go to" place for used valve machine parts. Surely a lot of them tucked away in old shops but finding what you need may be tough. Currently there is a 655 on ebay that looks very complete, has the dresser and the stem attachments, $100 and no bids. You will need some luck to get that one going for less. Last time I bought a diamond for my dresser from Goodson it was over $60 delivered.
 
Local repair shop had one about like that. They stopped doing valve jobs when they discovered that the shafts has so much wear that the main shaft was "skipping" so they couldn't do an accurate grind on the valves. They didn't buy a new machine because the partners were secretly planning to close the shop and retire the next year.
 

You will NEED a selection of Stones AND the SEAT Grinder to do a complete job..plus patience..never rush..

I agree, a GOOD complete used one is a good idea..NAPA can get you Ball-Bearing drivers and stones to match.. they add up if you need many..
 
Yup, I just saved (barely) a set of unavailable valves that were near destroyed in a garage sale bargain grinder that had a bunch of run out in the stem collet. Most of the older equipment would barely meet today's needs when new, let alone after ?? years of use and abuse.
 
I already know about finding parts for the grinder, I have been looking for a few months now with luke warm response.

As for the diamond, since I was a tool room machinist for 12 years, before the collapse of manufacturing economy after the 9/11 tragedy. I have several diamonds in my tool chest, I just need the holder, and would prefer one like the original.

I have already taken the old machine down cleaned and checked the run out on both Stem collet and the grinding wheel arbor, with manageable run out of less than .005 in the stem collet and between .002 and .003 on the Grinding wheel arbor.

The Sioux 655 Face Grinder also came with a Sioux 1710 Valve Seat Grinder, which is at a local electric motor shop getting a tune up and a new electrical cord.

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I have been told many horrors about getting one of these old grinders, I like old machines and restoring the machine is as much fun as getting to use it like old timers did back in the days when this was the top technology

I know Goodson, Cylinderhead, Napa and a couple others all sell stones and several replacement parts for the 1710.

I am happy to hear everyone's story and advice, never stop learning is what I say!!
 
I remember in trade school when one of the less bright students tried to dress the wheel; fired up the grinder and just jammed the diamond into the wheel, undercut it and the diamond disappeared.

Instructor was not amused....

We had to use the Sioux and a Quik-way; I liked the carbide cutters better. You could see what you were doing and things weren't happening as fast as the grinder.

Place I worked at 16 years ago had that complete set, hadn't been used in 20 years. Unleaded gas and the heat treat they do on exhaust valves pretty much ended grinding them, replace only.
 
I have done a few heads with an outfit like that. The first head I did was on a 1952 Chevy in 1956 using my uncle's with his instructions. I have done a few since on my own that is the same style unit. I have a couple Oliver heads in the shed to do. Not sure when or if I will be able.
 
If it was me looking, I would keep an eye on Ebay for those parts. There is always somebody trying to squeeze a few more $ out of their used equipment purchases by breaking them up in parts.
 

Around 1970 I knocked the diamond tip off my uncles Sioux stone dresser it cost $15 to replace at that time $15 was hard to come by just to throw away... I learned fast to sneak up on it... A worn out valve machine sure makes for alot of work :!:
 

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