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 Write-Up: Fuel / Oil Pressure Sending & Gauges

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sqrivi
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Name : scott
Location : madison, al
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PostSubject: aftermarket sending unit help   Mon Jan 03, 2011 12:15 am

I have a Dakota Digital gauge cluster on the way for my riv. Here is a link.

http://www.dakotadigital.com/index.cfm/page/ptype=product/product_id=737/category_id=636/home_id=59/mode=prod/prd737.htm

I have to use their sending units for oil pressure and water temp. Both sending units have 1/8" NPT threads. My question is can I swap out the stock sending units for the dakota units? If so where are they located. If not, how/where should I go about installing these two sending units?
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turtleman
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PostSubject: Re: Write-Up: Fuel / Oil Pressure Sending & Gauges   Mon Jan 03, 2011 2:12 am

I think you're going to need at least one pipe adapter. I'm not positive but I remember the water temp sensor being fairly large threaded, definitely bigger than 1/8" You can adapt it though. Other issue with that, however, is the PCM needs to have that coolant temp information too. I would see if there is something to split it and maybe use both the original and the new sending unit on that. The one I'm thinking of it right below the thermostat in the lower intake. The Oil pressure sending unit is in a tougher spot above the oil filter. I would do the same things for that. Split it and run both sending units. I don't have details on what all that is but somebody who's got an aftermarket oil pressure gauge would certainly know.
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LARRY70GS
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PostSubject: Re: Write-Up: Fuel / Oil Pressure Sending & Gauges   Mon Jan 03, 2011 1:11 pm

turtleman wrote:
I think you're going to need at least one pipe adapter. I'm not positive but I remember the water temp sensor being fairly large threaded, definitely bigger than 1/8" You can adapt it though. Other issue with that, however, is the PCM needs to have that coolant temp information too. I would see if there is something to split it and maybe use both the original and the new sending unit on that. The one I'm thinking of it right below the thermostat in the lower intake. The Oil pressure sending unit is in a tougher spot above the oil filter. I would do the same things for that. Split it and run both sending units. I don't have details on what all that is but somebody who's got an aftermarket oil pressure gauge would certainly know.

I have an Autometer oil pressure gauge on my Riviera. All you need to do is buy the appropriate brass fitting to run both gauge, and light. My gauge is mechanical, so all I needed to do was to run the copper tubing from the brass fitting to the gauge. A coolant temperature gauge will be a lot tougher due to it's size and location. The sensor needs to be immersed in coolant to be accurate. That will be tough to do, and there cannot be an air pocket there.


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98 Riviera SC3800  All stock except gutted air box.
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