help me to install gauges (where are water temp sensor and oil presser senders?)

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Originally Posted by lostforawhile

people thats not a 1/8 npt fitting for the oil pressure sensor,it's 1/8 bsp you need a 1/8 bsp male to 1/8 npt female adaptor. once you get it converted to npt thats te standard for most gauges. I would just run a line to the firewall then you can t off the gauge and use a pressure warning switch that has a higher switch on pressure then factory.

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That looks the adapter I had to use on oil pressure sending unit on my truck, used lock-tite on it. I ran the line through the firewall to the gauge. Hooked up the light to the wire on the interior dash lights in steering column.


http://img.photobucket.com/albums/v4...ssuregauge.jpg


http://img.photobucket.com/albums/v4...builtmotor.jpg

that might be it. bsp and npt look the same but there is only one thread difference,just enough to cross thread it. I know msc industrial supply carries them,they aren't very much,i need to look up the part number. I couldn't seem to find one anywhere else,even though most hondas use that thread on the engine sensors. at least up until the late nineties, it's actually the same thread thats on the temp sensor on the back of the intake. you would use a letter R drill bit if you wanted to thread for bsp. same as 1/8 npt. 1/8 npt is 1/8-27 thread and 1/8 bsp is 1/8-28 thread. i have the tap for 1/8 bsp, It took me six months of waiting to find one and they are coveted by tool and die makers. because they are so hard to find. msc can get them but it usually takes a long time to get one in. for the record bsp stands for british standard pipe. and npt stands for national pipe thread. npt s the standard for most of the us.

ok the msc part number is 84433382 1/8 npt female to 1/8 bsp male this will screw into the sender hole on the engine and adapt to most kits. their number is 1-800-645-7270 the adaptor was like 5.45 somehing plus shipping

you should always leave the "idiot" light sensor on your car even the hot rod mags recommend this on the v-8's as it will let you know the pressure has gone too low and it doesnt interfere with the gauge performance usually a t type fitting is used and the sensor is screwed on one part and the gauge the other what if the gauge fails to read low enough? boom dead car if idiot light is not hooked up consider it the backup to the gauge.

p.s. i read a thread around here somewhere also stating that you should use a copper line as it is a lot more durable than those nylon lines and it wont melt.

ya i posted it it's ok inside of the car away from the engine,it's also a lot eaisier to run,but i would run copper near the engine. the heat is the problem not the durability of the line,I remember old mercedes used to even have nuylon line for the mechanical gauge inside of the car.

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Originally Posted by Cant Stop

you should always leave the "idiot" light sensor on your car even the hot rod mags recommend this on the v-8's as it will let you know the pressure has gone too low and it doesnt interfere with the gauge performance usually a t type fitting is used and the sensor is screwed on one part and the gauge the other what if the gauge fails to read low enough? boom dead car if idiot light is not hooked up consider it the backup to the gauge.

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right,thats what i did,I just split it after i ran a line from the engine,theres not a lot of room by the oil filter. i also would get a different idiot light sensor,not only one with npt threads,but one that comes on at like 15 to 20 psi vs 3 psi for stock,you can get them from summit, jegs, all those places, besides the aftermarket ones have standard npt threads which is a lot eaisier to plumb. you basically convert the threads at the oil filter base to npt,then it's all standard gauge fittings from there. the stock sensor basically tels you your engine just blew up. t's a simple grounding sensor by the way so aftermarket warning sensors will work fine.

someone redirected me to this thread again, I will never use the nylon line inside a car again, I'll never get all the oil out from behind the dash. use braided or use copper with loops to absorb the movement.