Re: drill and tap head for temp sender?
Just tap the head. The size the metric hole is vs a 1/8 NPT sensor (I think that's it?) is very little.
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Re: drill and tap head for temp sender?
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Re: drill and tap head for temp sender?
oops....my mistake. I thought we were talking about an LS head and aftermarket sensor. my temp gauge is an autometer and not the OEM.
continue on! :lol: |
Re: drill and tap head for temp sender?
i didnt have any trouble getting it done with the engine in the truck. (A/C stuff is out right now tho). but i just drilled it out and used a ratcheting wrench to tap it. worked great. :smoke:
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Re: drill and tap head for temp sender?
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did you drill and tap the head or turn down and tap sender -- I'm wanting to use my stock gauge on a 68. |
Re: drill and tap head for temp sender?
I purchased 323092 and bolted it on. Have not tested or used it yet though.
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Re: drill and tap head for temp sender?
I've drilled and tapped the head on 3 or 4 swaps, it isn't hard if you have the correct size drill bit for the tap, and yes, it's a BIG bit. I start with smaller bits and work my way up, putting grease on the bits and tap to catch the shavings. This is a factory '72 sensor in my current 5.3 swap.
http://i264.photobucket.com/albums/i...ket_58254_.jpg Posted via Mobile Device |
Re: drill and tap head for temp sender?
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I think now that my engine is in I'll just tap the block plug. I just need to find a 23/32" bit. |
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Re: drill and tap head for temp sender?
For the old school sbc some aftermarket intakes have 1/2" npt on the intake near waterneck.
http://www.jegs.com/images/photos/300/350/350-2604.jpg |
Re: drill and tap head for temp sender?
Many of the short waterpumps also have 1/2" npt port on top. I would think this spot would work as well. Haven't tried it so don't quote me on that one. I would think the one on the side of the wp would read the suction side of wp and wouldn't be accurate for engine temp., although it might be handy to know what the outlet temp of the radiator is.
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Re: drill and tap head for temp sender?
Yea, old thread I know. Just needed this type of info and thought I would add to it.
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Re: drill and tap head for temp sender?
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I think you will find there is not enough "meat" on the small 13mm end of the sensor, BUT you will find what you always want to know what is inside !!! |
Re: drill and tap head for temp sender?
Don't know if this will help for the original post which was about a 91 gauge cluster, if u get a sender from a 99 firebird it has 3 wire terminals, u can get a pigtail too, the plugs are realllllllyyyy easy to take apart, jus hook the two factory wires in the same spot then use the third for your temp gauge, no adaptors or machining required and the ohms are the same, I did that on mine and it matches the computer reasons exactly and we have measured it with a infered gauge and is right on, hope this helps. Also that sender will fit on either head.
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Re: drill and tap head for temp sender?
The sender has to be from a firebird, they were the only ones that had the 3 wire setup!
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Re: drill and tap head for temp sender?
I picked up an M12 x 1.5 die, and a 3/8 factory sender, put the sender probe section in my drill with a file in my vise, spun it until it was the size I needed. then hit it with the dye, worked out great. Pictures here http://carburetorssuck.com/index.php...ulletin&blog=8
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Re: drill and tap head for temp sender?
I have the three wire sender, so you are saying it matches the ohm range of the 81-91 square body temp gauge?
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