Tool Talk

What's-It Forum => What's-It Forum => Topic started by: OilyRascal on January 11, 2013, 07:11:32 PM

Title: BT-50 Gage for 51 Points
Post by: OilyRascal on January 11, 2013, 07:11:32 PM

I have this tool I'm seeking information on.  It is marked "BT-50 GAGE FOR 51 POINTS" with "221" and "059" also stamped.  It measures 4" long.  It was found among "Carter" carb. tools, but is not marked with a maker.  Any information is appreciated.

(http://i1154.photobucket.com/albums/p534/alphinde/CIMG5366.jpg)

(http://i1154.photobucket.com/albums/p534/alphinde/CIMG5367.jpg)

Title: Re: BT-50 Gage for 51 Points
Post by: john k on January 11, 2013, 07:15:11 PM

The marking 51 points to me indicates it is for setting ignition points in the distributor.  The wire is what diameter ?    Looking at it closer it says for '51 Pontiac Six.   

Title: Re: BT-50 Gage for 51 Points
Post by: lauver on January 11, 2013, 07:24:38 PM

Quote from: john k on January 11, 2013, 07:15:11 PM

The marking 51 points to me indicates it is for setting ignition points in the distributor.  The wire is what diameter ?    Looking at it closer it says for '51 Pontiac Six.

+1

Title: Re: BT-50 Gage for 51 Points
Post by: Papaw on January 11, 2013, 07:27:49 PM

Yep, it says 51 PONT- Pontiac

If it is a carb tool, which Carter suggests, it might be for float setting or such.

Title: Re: BT-50 Gage for 51 Points
Post by: krusty the clown on January 11, 2013, 07:48:42 PM

Choke unloader guage?  I used to use drll bits.

Title: Re: BT-50 Gage for 51 Points
Post by: Papaw on January 11, 2013, 08:34:45 PM

Quote

Choke unloader guage

<---- Yes. I just couldn't think of it before- been many years.

Title: Re: BT-50 Gage for 51 Points
Post by: OilyRascal on January 12, 2013, 05:18:26 AM

Many thanks for the assistance!

Is there a simple explanation for what it means to "Unload" a choke?

Title: Re: BT-50 Gage for 51 Points
Post by: krusty the clown on January 12, 2013, 05:45:04 AM

Quote from: OilyRascal on January 12, 2013, 05:18:26 AM

Many thanks for the assistance!

Is there a simple explanation for what it means to "Unload" a choke?

it's how far the choke plate opens when the vacuum pull-off pulls it open when the engine starts cold (other wise it would stall). Also the choke is mechanicly opened at WOT to clear floods. Both must be adjusted to a spec. Before we stopped using carbs the specs were changed  to degrees of open but before that it was measure in thousands of an inch between the choke plate and the housing.

Title: Re: BT-50 Gage for 51 Points
Post by: krusty the clown on January 12, 2013, 05:51:22 AM

I forgot to mention that the BT prefix indicates that its a burroughs tool. Burroughs made GM Special tools as well as parts dept shelving and service writers desks. They are still in business.but no longer making tools.

Title: Re: BT-50 Gage for 51 Points
Post by: Ken W. on January 12, 2013, 11:08:14 AM

That looks very similar to the Tecumseh carb tool for setting the float and replacing the seat.

Title: Re: BT-50 Gage for 51 Points
Post by: Lostmind on January 12, 2013, 11:41:30 AM

How about  .221 and .059   being the sizes?

Title: Re: BT-50 Gage for 51 Points
Post by: amertrac on January 12, 2013, 12:10:45 PM

I worked for pontiac 1952 t0 1963  and used that tool many times and you got the right answer here    bob w.

Title: Re: BT-50 Gage for 51 Points
Post by: OilyRascal on January 12, 2013, 01:51:04 PM

Thanks again!  Appreciate all the information.