quick question
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Senior User
Joined: Nov 2004
Posts: 271
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quick question
got my gauges from dieselmanor, reading through the instructions at the recommended tools etc etc. says i need 1/4" npt tap and 1/8" npt tap, i understand the 1/4 in tap that taps the manifold i believe, correct me if im wrong. what is the 1/8 tap for? fixin to tear into it sunday, yeah mothers day, ill get heat for that, ohhhh welllllll, you guys would do the same. 
Fleet Mechanic
Joined: Aug 2003
Posts: 1,771
Likes: 95
From: Phoenix, AZ
Well, it's for your EGT thermocouple sensor. You only need one tap size depending upon the size of the thermocouple thread or the coupler that is provided with the thermocouple. I'd try the 1/8" first if it fits. You can always go to 1/4" in the event you screw up the 1/8" attempt.
Elder User
Joined: Jan 2005
Posts: 677
Likes: 0
From: Shawnee, Ks
I got mine from dieselmanor also, the 1/4 tap is for the pyro sender. The 1/8 tap is used for the boost gauge connection if you are drilling and tapping the air horn instead of using a T inline with the map sensor.
