Cuong Nguyen Posted November 28, 2010 Share Posted November 28, 2010 Who here has one installed and where and how about did you do it? Link to comment Share on other sites More sharing options...
madhornet Posted November 28, 2010 Share Posted November 28, 2010 right above the starter beside the oil filter between the tranny and oil filter is the oil pressure sensor remove it and put in a t fitting if u wanna keep your original sender or remove it and put in the new pressure gauge if u delete the original sender then ground out the wire to keep the light off Link to comment Share on other sites More sharing options...
unccpathfinder Posted November 28, 2010 Share Posted November 28, 2010 ^ what he said...i'm probably just clipping and capping the wire on both of my pahty's and putting it in...use copper tube and not that plastic/nylon crap... Link to comment Share on other sites More sharing options...
sewebster Posted November 28, 2010 Share Posted November 28, 2010 (edited) Some electronic gauge senders have two outputs, one for the gauge itself, and another for the oem light. The block thread is 1/8" BSP. Edited November 28, 2010 by sewebster Link to comment Share on other sites More sharing options...
unccpathfinder Posted November 28, 2010 Share Posted November 28, 2010 are you sure its BSP and not NPT? I know for a short period of time I ran an aftermarket gage and I didnt have any problems with threading it on...IIRC the difference on the thread pitch between BSP and NPT is only like 1.5 b/c I couldn't find an adapter for my 1/4" BSP ARB fitting and just used a 1/4" NPT fitting with teflon tape and didn't overtorque it and it holds without leaks at 90 PSI Link to comment Share on other sites More sharing options...
Precise1 Posted November 28, 2010 Share Posted November 28, 2010 x57 on some sort of T or Y fitting. I haven't done this yet so I don't know the thread size but it shouldn't be hard to figure out. B Link to comment Share on other sites More sharing options...
Tungsten Posted November 28, 2010 Share Posted November 28, 2010 I know the first pathfinders had a real oil pressure gauge instead of a light. Was this just a fake gauge or did it give you a real reading? Link to comment Share on other sites More sharing options...
sewebster Posted November 28, 2010 Share Posted November 28, 2010 are you sure its BSP and not NPT? I know for a short period of time I ran an aftermarket gage and I didnt have any problems with threading it on...IIRC the difference on the thread pitch between BSP and NPT is only like 1.5 b/c I couldn't find an adapter for my 1/4" BSP ARB fitting and just used a 1/4" NPT fitting with teflon tape and didn't overtorque it and it holds without leaks at 90 PSI I'm reasonably confident that it's BSP, but I can't remember why right now. They aren't super different, you're right, so it might work with NPT too (obviously it did for you). The gauge kit I bought came with an adapter. I'd already gone through a reasonably large hassle finding an adapter and bsp tee and everything, but then I found out it had the separate connection for the light, so all that was unnecessary. Link to comment Share on other sites More sharing options...
unccpathfinder Posted November 30, 2010 Share Posted November 30, 2010 reasonably large hassle is an understatement...i couldnt find one anywhere and is when i started researching the difference between the 2...makes me want to go google the exact difference again... it could very well be i was ignorant before and just crammed a NPT fitting in the BSP port and didnt see the difference...that engine was toast so it never really ran other than some test drives (maybe 100 miles) before it was pulled and scrapped b/c of cracked rings and i had the nylon tubing which crimped and broke leaking oil everywhere (suggestion for copper tubing) Link to comment Share on other sites More sharing options...
MY1PATH Posted November 30, 2010 Share Posted November 30, 2010 (edited) Can you get one of the sending units from the older rigs (looks like a little can) and run you gauge off that? Edited November 30, 2010 by MY1PATH Link to comment Share on other sites More sharing options...
Precise1 Posted November 30, 2010 Share Posted November 30, 2010 reasonably large hassle is an understatement...i couldnt find one anywhere and is when i started researching the difference between the 2...makes me want to go google the exact difference again... it could very well be i was ignorant before and just crammed a NPT fitting in the BSP port and didnt see the difference...that engine was toast so it never really ran other than some test drives (maybe 100 miles) before it was pulled and scrapped b/c of cracked rings and i had the nylon tubing which crimped and broke leaking oil everywhere (suggestion for copper tubing) I am a big fan of the electronic sending units. They may be a little more expensive but you don't have to worry about lubes and leaks, a definite pay off in my book. B Link to comment Share on other sites More sharing options...
unccpathfinder Posted December 1, 2010 Share Posted December 1, 2010 i didnt even know those were available but didnt look that hard but agree with you completely...even 2PSI of oil pressure would suck if you got a leak...and we run at what 80? Link to comment Share on other sites More sharing options...
nunya Posted December 1, 2010 Share Posted December 1, 2010 use copper tube and not that plastic/nylon crap... a big x2 on that one... putting out the flames coming off a BB Chevy's left bank aint fun on the side of the road... Link to comment Share on other sites More sharing options...
Precise1 Posted December 1, 2010 Share Posted December 1, 2010 A chevy on fire seems natural, normal and even a bit festive at times. Surely a crowd pleaser... B Link to comment Share on other sites More sharing options...
nunya Posted December 1, 2010 Share Posted December 1, 2010 ...not when its my flatbed, that is one perticular Chevy that I like keeping in one piece Link to comment Share on other sites More sharing options...
Alkorahil Posted December 1, 2010 Share Posted December 1, 2010 (edited) I used this on my truck: PART NUMBER 25073-RN010 Oil Pressure T Adaptor with 1/8 NPT threads. For use with mechanical gauge. Edited December 1, 2010 by Alkorahil Link to comment Share on other sites More sharing options...
headpeace Posted May 24, 2011 Share Posted May 24, 2011 I'm reasonably confident that it's BSP, but I can't remember why right now. They aren't super different, you're right, so it might work with NPT too (obviously it did for you). The gauge kit I bought came with an adapter. I'd already gone through a reasonably large hassle finding an adapter and bsp tee and everything, but then I found out it had the separate connection for the light, so all that was unnecessary. Can anyone verify what size and thread type the block is. I've got a sending unit that is 1/8 NPT and it doesn't fit, I need to get an adapter but I don't know what size and thread I'm looking for . Any help is much appreciated Link to comment Share on other sites More sharing options...
sewebster Posted May 24, 2011 Share Posted May 24, 2011 Can anyone verify what size and thread type the block is. I've got a sending unit that is 1/8 NPT and it doesn't fit, I need to get an adapter but I don't know what size and thread I'm looking for . Any help is much appreciated In what way does your 1/8" NPT not fit? Anyway, my 1/8" BSP adapter has been working well for a while now. If you want to get one, probably the easiest is to buy some gauge kit that comes with one included. Alternatively you might be able to find something at an industrial hydraulics supplier. Link to comment Share on other sites More sharing options...
ahardb0dy Posted May 24, 2011 Share Posted May 24, 2011 this is where I had my gauges in the 87 hardbody, 93 PF has the same dash right? Link to comment Share on other sites More sharing options...
headpeace Posted May 24, 2011 Share Posted May 24, 2011 (edited) In what way does your 1/8" NPT not fit? Anyway, my 1/8" BSP adapter has been working well for a while now. If you want to get one, probably the easiest is to buy some gauge kit that comes with one included. Alternatively you might be able to find something at an industrial hydraulics supplier. So is it 1/8 BSP? Mine seems to be just a hair too big, does that sound right? Edited May 24, 2011 by headpeace Link to comment Share on other sites More sharing options...
sewebster Posted May 24, 2011 Share Posted May 24, 2011 So is it 1/8 BSP? Mine seems to be just a hair too big, does that sound right? I can't remember the specifics. I would have guessed that 1/8 NPT would go in, but just be a little tighter or looser than ideal. But you should look it up in Machinery's Handbook or something to know for sure I guess. 1/8" BSP works for me, and I'd guess it would for you too, but I have no "proof" that it is correct. Link to comment Share on other sites More sharing options...
ahardb0dy Posted May 24, 2011 Share Posted May 24, 2011 According to the Autometer site the oil pressure thread is: Oil Pressure Gauge Thread Size 1/4 NPT Link to comment Share on other sites More sharing options...
KutSnake Posted January 25, 2016 Share Posted January 25, 2016 Just wondering how to get the tube through the firewall? I drive a 1990 2.7td and the doesn't seem to be any spare grommets. Can/should I drill a new one? Any thoughts would be appreciated. Link to comment Share on other sites More sharing options...
silverton Posted February 15, 2016 Share Posted February 15, 2016 If you insist on running fluid in to the cabin, just use one of the existing grommets. I know I have the power for my CB pushed through the same grommet the AC drain uses. I'm sure a small tube would be just as easy.But please, for the love of life, use an electric gauge. They are so cheap these days it's stupid not to. Link to comment Share on other sites More sharing options...
KutSnake Posted March 3, 2016 Share Posted March 3, 2016 Thanks Silverton, I think I will return it to exchange to an electrical one. Hopefully the Speco Street series do an electrical one. Time to google! Link to comment Share on other sites More sharing options...
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