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Old 01-31-2019, 12:08 PM   #2
mongocanfly
Senior Member
 
Join Date: May 2015
Location: Alabama
Posts: 9,633
Re: Mechanical Water Temp Gauge NPT Size

The mech sender I used on my c30 was 1/2" npt....they may not all be the same though between brands...
Drill and tapmthe passenger side head at the back...where the little metric plug is...
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Mongo...aka Greg

1981 C30 LQ9 NV4500..http://67-72chevytrucks.com/vboard/s...d.php?t=753598
Mongos AD- LS3 TR6060...http://67-72chevytrucks.com/vboard/s...34#post8522334
Columbus..the 1957 IH 4x4...http://67-72chevytrucks.com/vboard/s...63#post8082563
2013 GMC Z71..daily driver
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