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tesoro cibola??????
Posted by: tater
Date: December 25, 2016 10:17PM
So i bought this Tesoro. Its been many years since i have had one and never this model. I field hunt and want the best way to set it up. I need some help. This machine has been modified and has a ground balance. Please help. I didnt pay much for it and might not even keep it but want to give it a shot.

Re: tesoro cibola??????
Posted by: fltacoma
Date: December 25, 2016 10:21PM
Where did you get it from?

Re: tesoro cibola??????
Posted by: tater
Date: December 25, 2016 10:31PM
I bought it used from a local gentleman. It seems to be a decent machine

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A great machine if well modded...
Posted by: pinenut
Date: December 25, 2016 10:55PM
tater -

Since it's now sporting the ground balance mod, it's likely the GB pot used is a 10 turn. It could be one with either adjustment end stops, or one of those that will keep turning even after it gets to either end of adjustment range. Those without end stops will keep on turning all day long, but get stiffer at each end of their adjustment range, indicating you've reached the limit. Once you know which type it is by turning it to each end of travel and counting the turns, try to get it to about the middle of its range; for example, from one end of a 10 turn pot, you go back the other way 5 turns... Once around the middle of the GB pot's range, take a look at the Vaquero user manual on Tesoro's website. You can pretty much follow instructions for ground balancing the Vaquero, taking into account the the Vaquero uses a 3-3/4 turn pot, and yours has....10? It's actually much better off with a 10 turn pot, if that's what was used.
Guessing that a toggle switch may have been fitted for the all-metal / pinpoint function..? Assuming it still has some way to easily go into all metal, that's the mode you want for ground balancing. Again, follow instructions for ground balancing the Vaquero, but get into all metal first. If for some reason the one who modded it did not put a switch in for AM / pinpoint (and GB adjustment), you'll need to do the GB in disc mode...which is a little tougher, but possible. You'll actually want to "power balance" in disc mode for max depth...but that's for a bit later on.
A GB modded Cibola should be a smooth running, deep machine. As a few people have noted about the Cibola, it runs a bit "smoother" than the Vaquero and a 10 turn pot will allow for easier and more precise balancing. I still haven't made time to mod my own Cibola, but I do already have the parts to do it. One of these days I'll get 'round to it... :smoke:



one more wheatie..

Re: tesoro cibola??????
Posted by: tater
Date: December 25, 2016 11:12PM
Ok it has the 3 3/4 turn switch and pinpoint switch on the bottom. I think I understand what you are saying. I need to look at the other models setup. Like I said I didn't pay much at all for this machine. I normally use Fisher and Minelabs but I have had a silver umax and a Cortez but that was years ago. Thanks for pointing me in the right direction

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use Vaquero manual...
Posted by: pinenut
Date: December 25, 2016 11:36PM
No problem. With the 3-3/4 pot, treat it just like the Vaquero.
As for using it in field hunting, then either of the stock (9x8 concentric or 11x8 widescan), or bigger coils should be what you want for best depth.

Have fun. :smoke:



one more wheatie..

Re: tesoro cibola??????
Posted by: fltacoma
Date: December 26, 2016 12:23AM
If you got it for under $150, or heck, $200 even, then you got an excellent deal!

Re: tesoro cibola??????
Posted by: tater
Date: December 26, 2016 06:16AM
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fltacoma
If you got it for under $150, or heck, $200 even, then you got an excellent deal!
Yeah it's in like new shape. There is a nick at the top of the control face where the front was taken off but not even scratches on the coil or shaft. I did good.




Re: tesoro cibola??????
Posted by: fltacoma
Date: December 26, 2016 10:36AM
That is odd that there is a nick at the top. Usually all you have to do is take out the two screws and very lightly pull on the knows and the face should come right off. Those wires are semi brittle on the inside though...

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Re: tesoro cibola??????
Posted by: pinenut
Date: December 26, 2016 12:33PM
That nick looks like it was just caused by rubbing on something while kept in the car...(best guess).. The factory matching knobs can be found on ebay for a couple $.. ^_^



one more wheatie..

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Re: tesoro cibola??????
Posted by: Stoof-tabsallday
Date: December 26, 2016 12:56PM
Just to let you know, my cibola is modifies as well and for me, and not sure if it's normal, If I set my pot all the way to the left (neg) I have to got 8 turns positive to ground balance. It's a 10 turn pot and has positive stops at either end.
3 3/4 pots just get drag on either end.
Only letting you know because since it's modified you might have to do what I do and it's more positive on the pot range.
Many say to start in the middle and it's a good idea but you may have to end up going alot to the right to get it balanced.
As long as it balances, it's all good.



Stefan (Michigan)

Nokta Fors Relic 7x11", 5.5x10"DD, 5", 5.5x10 Concentric


Makro Racer 2 - 7x11", 5.5x10", 5" DD


:tesoro: Mojave
:tesoro: Deleon - Troy shadow super 7",
:tesoro: Compadre 8
:tesoro: Compadre 5.75
:tesoro: Bandido II Micromax
:tesoro: Outlaw
:tesoro: Cibola- GB/all metal toggle mod
:tesoro: Vaquero
:tesoro: Cutlass Micromax 8

Lots of coils

*Not listed in any special order*

Tools:
Garrett carrot, lesche shovel, Killer B Wasps, my bare hands

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Re: tesoro cibola??????
Posted by: pinenut
Date: December 26, 2016 02:48PM
Quote
Stoof-tabsallday
Just to let you know, my cibola is modifies as well and for me, and not sure if it's normal, If I set my pot all the way to the left (neg) I have to got 8 turns positive to ground balance. It's a 10 turn pot and has positive stops at either end.
3 3/4 pots just get drag on either end.
Only letting you know because since it's modified you might have to do what I do and it's more positive on the pot range.
Many say to start in the middle and it's a good idea but you may have to end up going alot to the right to get it balanced.
As long as it balances, it's all good.

I wonder if you used an audio taper pot on yours (?). I put a 10 turn in my BIIμMAX and it's balanced at about 6 turns in from max negative (linear pot). Mine also has the stops.

I ordered another 10 of those pots ('bout $3 each) so I can go mod nutty if I get bored this winter... :crazy:



one more wheatie..

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Re: tesoro cibola??????
Posted by: Stoof-tabsallday
Date: December 27, 2016 11:04AM
Quote
pinenut
Quote
Stoof-tabsallday
Just to let you know, my cibola is modifies as well and for me, and not sure if it's normal, If I set my pot all the way to the left (neg) I have to got 8 turns positive to ground balance. It's a 10 turn pot and has positive stops at either end.
3 3/4 pots just get drag on either end.
Only letting you know because since it's modified you might have to do what I do and it's more positive on the pot range.
Many say to start in the middle and it's a good idea but you may have to end up going alot to the right to get it balanced.
As long as it balances, it's all good.

I wonder if you used an audio taper pot on yours (?). I put a 10 turn in my BIIμMAX and it's balanced at about 6 turns in from max negative (linear pot). Mine also has the stops.

I ordered another 10 of those pots ('bout $3 each) so I can go mod nutty if I get bored this winter... :crazy:
I'm not sure. I got the exact pots that were listed in the PDF about modding the cibola that's floating around the forums. I think it's Kieth southerns PDF. So who knows.
I'd rather it balance more toward the center but it does balance well and stable so I take it as a win for my first try lol.



Stefan (Michigan)

Nokta Fors Relic 7x11", 5.5x10"DD, 5", 5.5x10 Concentric


Makro Racer 2 - 7x11", 5.5x10", 5" DD


:tesoro: Mojave
:tesoro: Deleon - Troy shadow super 7",
:tesoro: Compadre 8
:tesoro: Compadre 5.75
:tesoro: Bandido II Micromax
:tesoro: Outlaw
:tesoro: Cibola- GB/all metal toggle mod
:tesoro: Vaquero
:tesoro: Cutlass Micromax 8

Lots of coils

*Not listed in any special order*

Tools:
Garrett carrot, lesche shovel, Killer B Wasps, my bare hands

Re: tesoro cibola??????
Posted by: raymond779
Date: January 19, 2017 07:38AM
looka like soldering iron touched case

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Re: tesoro cibola??????
Posted by: pinenut
Date: January 19, 2017 01:01PM
Quote
raymond779
looka like soldering iron touched case


Winner winner, chicken dinner!
-THAT'S IT!

:thumbup:



one more wheatie..

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