If your sensor is 3/8 NPT then you'll need a 9/16" drill before tapping. That one would not fit the block off plate above the filter without some kind of reducer.
If your sensor is 3/8 NPT then you'll need a 9/16" drill before tapping. That one would not fit the block off plate above the filter without some kind of reducer.
See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709
Greg, the drill bit for 3/8-18 NPT is actually 37/64" LOL I was wondering how you get the signal to the PCM using just the vortec sensor on the 5.3 without running wires to it. It would be much simpler to run both sensors. I thought Greg just used 1 sensor, sorry for the confusion.
97 GMC, 2002 LS6.
1991 GMC Syclone #1428
I do use just one sensor. The PCM doesn't throw any codes if you don't have oil pressure. Imagine that! I would have thought it would light up every light on the dash should you have zero pressure.
See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709
This is the tap drill chart I used Lance... NPT Tap Drill Sizes - Engineer's Handbook
It seems that is the size you're supposed to use if you have a tapered pipe reamer. Works good with a hand drill too since most guys wollar a hole out as they drill, can't hold a drill straight and square ( me included )
Last edited by RedHeartbeat; 08-17-2008 at 12:11 PM.
See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709
So I am ok just using one sensor?
Tired ol' 5.7, 5.3 swap in progressHandle every stressful situation like a dog.If you can't eat it or hump it.Piss on it and walk away.
Ok, you got me there! We don't deal with too much straight pipe in our shop, mostly tapered.
97 GMC, 2002 LS6.
1991 GMC Syclone #1428
"So I am ok just using one sensor?
I'll let Greg answer that one since I run 2.
97 GMC, 2002 LS6.
1991 GMC Syclone #1428
Originally Posted by NITROUS
"So I am ok just using one sensor?
I'll let Greg answer that one since I run 2.
My head hurts....
Tired ol' 5.7, 5.3 swap in progressHandle every stressful situation like a dog.If you can't eat it or hump it.Piss on it and walk away.
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