Technical Identify a Tach

I need help identifying a SW Tach. I think it is factory for something GM. I thought chevelle knee knocker but it is not. Any help would be appreciated.
Thank You

 

10,000 RPM? Maybe motorcycle.

 

It's a Stewart Warner pedestal style. #970 is a 8 grand, somebody will probably know the correct number

 

I don’t think it is GM. I also don’t think it is a Stuart Warner. SW was proud of their **** and would have marked it all up. Dixon or Dixco maybe? Try opening it up and see if it says anything inside.

 

What does it say below "hundreds"? The bigfoot-blurry pictures are not helping much.

 

100 x 100 is 10k. I know you know that, just pointing it out

 

Thanks to uncleandy65 what I have is a Stewart Warner Pedestal Style Tach. I also found out the model number is 990B and I need a transmitter to make it work. Thanks to all who responded. Hamb people are the best.

 

It looks like a SW 970 pedistal tach.

The ignition module used seems to be based on this chart:

https://picclick.com/NOS-Stewart-Wa...Pedestal-Tach-353348998994.html#&gid=1&pid=11

 

Here is a picture of the sender unit that is used on 990 models...

 

I acquired a used S/W tach similar to this one in the 70's, I recall it having a slightly more modern face/sweep layout than this one, and by my memory, the main body had a slightly sleeker look to it and I thought it was so beautiful I kept it for years.
At the time I didn't know it required a sender, it sure was hard to throw it in the garbage.

 

I think the Best to find Old Tack's are at a Boat place
That are getting rid of old boat's & they have some good ones
Thats were I got mind from I got the whole Dash from one
with a Sun Super Tack & a bunch of German guages.

Just my 3.5 cents

Live Learn & Die a Fool

 

Here is a group of devices to help add new uses to an old tach:
https://www.technoversions.com/TachMatch.html

 

It may very well be a SW.

 

Never heard of them, and they're just right up I-5 a little ways North in Arlington, Wa from me. Also, Arlington Airport is where the Arlington Drag Strip used to be until 1968. Thanks for that link. I am Butch/56sedandelivery.

 

Does that say SW on the bottom?