Oil press. & water temp. gauges
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Oil press. & water temp. gauges
I recently bought some autometer oil press and water temp gauges. I have been searching the forums for a while and still alittle confused on the install. Several posts say you NEED to drill and tap new holes and some say they plug right into the stock sending units. Can someone please clearify this for me. Thanks
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do not hook them up to the stock units drill and tap a hole in the WP housing for the water temp gauge
and take a look over and fc3s.org for a new oil pedistal that already has holes in it for aftermarket pressure sender and temp sender that would be the easyest way to do the oil part of it
and take a look over and fc3s.org for a new oil pedistal that already has holes in it for aftermarket pressure sender and temp sender that would be the easyest way to do the oil part of it
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#10
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For the oil pressure gauge you can use the stock sender location. You'll need to get a fitting with a 1/8" BSPT male side to screw into the block with a female 1/8" NPT fitting for the gauge to screw into. Hydrolic stores (look in the yellow pages) will be able to get you the proper fitting. Most only serve industrial customers so they won't be happy to see you trying to buy 1 unit , but you can call around. I also went to home depot and picked up a 2" peice of 1/8" copper pipe that I screwed into the BSPT/NPT fitting so that I could extend the sender out. Also from home depot I purchased a 1/8" female to female fitting to screw into the 2" pipe. The sender then screws into that fitting. You'll notice that the stock sender extends out to clear the block. The autometer sender doesn't, so this is why you need to extend it further out. I also tried using a "T" female to female fitting at the end of the extension so that I could plug in both the stock and aftermarket oil pressure gauges. There wasn't enough room so I just use the autometer gauge. It might be possible to fit both, but you'd probably have to take further steps.
Doing it this way will cost you ~$5 and you won't have to buy a pedestal and wait for it to arrive.
Doing it this way will cost you ~$5 and you won't have to buy a pedestal and wait for it to arrive.
Last edited by Snrub; 10-16-04 at 03:11 PM.
#11
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You have to use the senders that came with the gauges. You can't use the stock ones because they're electrical not mechanical.
You shouldn't use adaptors (and definitely not tees) for temp sensors. They work best when fully exposed to the coolant flow, and adaptors space the senser further out of the flow. This affects their response time and hence accuracy.
The sender should be under the thermostat, so the S4 fan temp switch location is a not a good one. The S5 fan temp switch location is okay, but then the fan won't work properly (if you have one).
You shouldn't use adaptors (and definitely not tees) for temp sensors. They work best when fully exposed to the coolant flow, and adaptors space the senser further out of the flow. This affects their response time and hence accuracy.
The sender should be under the thermostat, so the S4 fan temp switch location is a not a good one. The S5 fan temp switch location is okay, but then the fan won't work properly (if you have one).
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