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Gauge installation

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Being the "green" hand that I am with my Dodge, I have a few ???? about my 92 and gauges.



1: Where do I connect the Trans temp sensor?



2: Where do I plumb in the boost gauge?



3: What does the term pillar mount refer to?



My busses have logical locations in which I test for proper trans. temp and turbo boost, but this is a bit different. Please refer me to past threads or help in anyway you can, your help is much appreciated. Thank You



Scott
 
Scott,

There is a 1/8 in. pipe plug in the intake manifold, if you remove it you can install the boost fitting in there. For the transmission temp gauge you could do like I did and cut a section out of the line going back into the trans and put in a "tee" with good quality compression fittings and a 1/8 in. reducer and install your temp gauge there.

Better yet, ( this requires you to buy an extra temp sending unit )you could remove the factory sending unit from the threaded boss on the other line that goes over to the transmission heat exchanger, install a short nipple and another "tee" and re-install the factory sending unit in the "tee" along with the new temp sending unit you bought and use a spdt switch and you can monitor both the goz inda and the goz outa temps.

Sound confusing ? :confused:



When you get under your truck and start following the lines it'll be clear as mud!

I've got the West Tach dual temp gauges ( 2 gauges in one ); one monitors both transmission temps and the other monitors the oil temp at the oil filter.

As far as the pillar mount goes; it is the post (aka: the "A" pillar )that separates the door from the windshield.

Hope this helps.
 
Scott -

I installed the boost sensor directly under the big cast iron (or aluminum) 90* intake feed from the intercooler plumbing. There is a little fitting you can unplug and the sensor for your gauge should go right in. I think this is the same port RFitz mentioned. Don't forget to use some thread sealant (I prefer the Teflon sealant in a tube verses the teflon tape on a roll). Trans sensor is a bit more difficult. On my rig the front outlet (pressure) line is where I figure the temps are the hottest, and about 5 inches along the line right out of the trans case is a factory fitting and a thermosensor. I simply unbolted the line at the case fitting (it will dripp a little, so plug the outlet fitting with a rubber vacuum plug), unscrewed the factory sensor, installed a T fitting (male-female-female, left-right-down), and screwed the factory sensor and aftermarket sensor in place. Worked slick. I had to very slightly bend the 1/2 inch line to clear the side of the case housing where the pan bolts up - don't use too much force to do this as you could kink the line. I also had to use a pipe wrench to hold the factory line port still to unscrew the thermosensor - the weld doesn't look strong enough to hold the wrench pressure to remove the sensor.

Also, My rig has a factory-installed aux cooler/fan, so my plumbing might be a little different that without one. I have only ever seen this version.

If you want to install an oil pressure gauge, install a T fitting in the block right behind the power steering pump (this is where the factory pressure switch is current;y located - you will have to use a short brass 'extension' first as the T fitting won't clear the block outer wall as you screw it in. Then install the factory and aftermarket sensors and you're good to go.

Hope all that makes sense - if not give me a holler and I'd be happy to talk about it.

- Sam

(805) 735-9408
 
Pics of installs

Pics of boost and trans sender installs:



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Hope these help - there's a few more in my readers rigs, under diesel.

- S
 
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Connecting hose

Forgot to mention - I highly recommend spending the extra money on the stainless braided #3 line with any pressure or mechanical (non-electrical) gauges, especially on these diesels. The copper and plastic/nylon tubes will work for a while, but they're sure to crack or rip the way these engines shake around.

Autometer sells nearly any length you need, and I'd imagine any make of gauge will sell the bullet-proof line as well.

Don't forget you'll need about a foot and a half under the dash, more if your gauges are on top of the dash like mine. I have lots of good pics in readers rigs, under diesel.

Good luck - any Q's give me a holler or reply.

- Sam

ASA Modifieds

Also here's another pic of the boost install - little easier to see.

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