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is it posible to fit an electric temperature gauge ?

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Jer

Jer

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Greetings

"Life" has finally slowed to a point where I have been able to repair my overheated 74 Midget, I blew the bulb right off the capilary tube & I'm looking into a "plan B" if I can't repair it, I'm sure the fittings are a special thread but is there any way to adapt an after market electrical temp gauge to the fitting on the 1275 motor ? I searched & see lots of info on repairing & replacing, but I can't afford the 200 bucks for a new one right now & if I can't fix it... I still would like to drive it :smile:

Thanks in advance
 
Trevor Jessie

Trevor Jessie

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A $20 gauge from autozone will fit it.
 
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Jer

Jer

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Great ! Thanks... didn't think it would be that easy !
 
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Jer

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The temp gauge / sender I got had a 1/8 npt sender & that wouldn't fit right in (what do you expect for 9 bucks on Amazon lol), so I cut the old packing nut out from the capillary tube & drilled & tapped the ID to 1/8 NPT - That worked just fine !, compared gauge to my temp gun & it was bang on - Good to Go !
 
dklawson

dklawson

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DIY repair of capillary tube temperature gauges is linked below:
https://www.ply33.com/Repair/tempgauge
It works. However, substitute dry ice for the water/salt chilling bath. It's colder and cleaner.

Like Jer, I have made sending unit adapters by drilling out and tapping old temperature gauge nuts and old electrical sending units. For future reference, the temperature sender tap in the A-series heads is 5/8-18. However, the sending units don't seal on their threads, they seal on the conical seat at the bottom of the tapped hole. Teflon tape is your friend.
 
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