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  #1  
Old 01-26-2007, 11:09 AM
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Where's the best place to mount gauges?

I'm looking at gage mount locations for the 87 300D, W124 body. Does anyone know if those gage pods work on top of the dash right over the center air vents? Do they fit, or look funny? Is it tough to run wires under the dash in that area? Thanks!
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1985 F350 Ford dually 6.9 diesel
1988 F250 Ford utiilty truck 7.3 diesel
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  #2  
Old 01-26-2007, 11:15 AM
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I've seen pictures of that, and personally I don't care for it.

I replaced the ash tray to mount mine. If you do it with a piece of matching wood, it looks very nice. Mine is just a piece of plastic for now.
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  #3  
Old 01-26-2007, 12:20 PM
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Careful!

If you replace the ashtray, remember that behind the ashtray is the airbag sensor. Careful drilling holes!
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"Buster" in the '95

Our all-biodiesel family
1995 E300D (W124) . .239,000 miles My car
1996 E300D (W210) . .313,000 miles Wife's car
Santa Rosa population 170,685 (2012)
Total. . . . . . . . . . . . 722,685
"Oh lord won't you buy me a Mercedes Benz."
-- Janis Joplin, October 1, 1970
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  #4  
Old 01-26-2007, 02:07 PM
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I company called Dynotune makes digital EGT and boost gauges the size of key fobs. Much easier to mount. RT

http://www.turbobits.co.uk/acatalog/digital_exhaust_gas_temperature_egt_gauge.html
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  #5  
Old 01-26-2007, 05:53 PM
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Quote:
Originally Posted by rwthomas1 View Post
I company called Dynotune makes digital EGT and boost gauges the size of key fobs. Much easier to mount. RT

http://www.turbobits.co.uk/acatalog/digital_exhaust_gas_temperature_egt_gauge.html

i was excited about these until a saw the price 255USD each..... ouch
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1982 300CD Turbo (Otis, "ups & downs") parts for sale
2003 TJ with Hemi (to go anywhere, quickly) sold
2001 Excursion Powerstroke (to go dependably)
1970 Mustang 428SCJ (to go fast)
1962 Corvette LS1 (to go in style)
2001 Schwinn Grape Krate 10spd (if all else fails)

Last edited by lutzTD; 01-26-2007 at 06:03 PM.
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  #6  
Old 01-26-2007, 06:53 PM
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i like this one, it has a Mercedes feel about it and it allows a oil temp gage in the ashtray

Westach 2 dual combination gauge model # 2DC2-30SS
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1982 300CD Turbo (Otis, "ups & downs") parts for sale
2003 TJ with Hemi (to go anywhere, quickly) sold
2001 Excursion Powerstroke (to go dependably)
1970 Mustang 428SCJ (to go fast)
1962 Corvette LS1 (to go in style)
2001 Schwinn Grape Krate 10spd (if all else fails)

Last edited by lutzTD; 11-23-2011 at 08:37 PM.
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  #7  
Old 01-26-2007, 07:30 PM
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Quote:
Originally Posted by lutzTD View Post
i like this one, it has a Mercedes feel about it and it allows a oil temp gage in the ashtray

Westach 2 dual combination gauge model # 2DC2-30SS
I looked at this one. It has numerous advantages -- "saves" a hole, locally [for me] made, etc. The range of the boost is too high, unfortunately, so you'll be using only the bottom third of the range. In the end, I decided that separate gauges would be easier on my aging eyes.
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"Buster" in the '95

Our all-biodiesel family
1995 E300D (W124) . .239,000 miles My car
1996 E300D (W210) . .313,000 miles Wife's car
Santa Rosa population 170,685 (2012)
Total. . . . . . . . . . . . 722,685
"Oh lord won't you buy me a Mercedes Benz."
-- Janis Joplin, October 1, 1970
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  #8  
Old 01-26-2007, 10:25 PM
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85 300D 4spd+tow+h4
 
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just get a gasser gauge with a "fuel economy gauge and turn into a vacuum gauge isntead of a pressure gauge.
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  #9  
Old 01-26-2007, 10:35 PM
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a piller? I think it could be done tastefully.
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  #10  
Old 01-27-2007, 12:35 PM
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Just an aside, I was lamenting the lack of boost, EGT, and oil temp gauges in my 190Dt and remembered that the audi 90 had a 3-gauge panel in the center console, zebrano-wood. I bought a used one thinking I would fit it into the center console of the 190, might be something you can use in the 124 console. I'll carry it out today to see if it's viable in the 124.

BTW the gauges in the audi are not boost & EGT, I believe it was voltage, oil pressure, and ???.
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  #11  
Old 01-28-2007, 07:12 AM
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Thumbs up Rule of thumb when choosing a pressure gage.....

Quote:
Originally Posted by Jeremy5848 View Post
I looked at this one. It has numerous advantages -- "saves" a hole, locally [for me] made, etc. The range of the boost is too high, unfortunately, so you'll be using only the bottom third of the range. In the end, I decided that separate gauges would be easier on my aging eyes.
Choose a pressure gage that has 2x the normal operating pressure....

The way mechanical pressure gages are constructed, overpressure will damage them......and a continuous operation at the upper end of the range will also be detrimental to its internals, over time....

It is best to have any pressure gage operating in it's midrange, and this gage from Westach appears well designed......I like it.......!!!

SB
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Diesels:
'85 300D, "Max, Blue Benz", 155K, 27.0 MPG
'84 190D 2.2, "Eva, Brown Benz", 142K, 40.2 MPG
'77 240D (parts car)
'67 Eicher ES 202 Tractor "Otto" (2cyl, Air Cooled, 30HP)
Gassers:
'94 Ford F-150, "Henry", 170K (300 Six) 17.5 MPG
'85 190E 2.3, 148K....Parts Car
'58 Dodge W300M Powerwagon (Flat Fenders) Less than 10 MPG
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  #12  
Old 01-28-2007, 07:26 AM
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I just found their website........

Quote:
Originally Posted by lutzTD View Post
i like this one, it has a Mercedes feel about it and it allows a oil temp gage in the ashtray

Westach 2 dual combination gauge model # 2DC2-30SS
www.westach.com/

Thanx for posting that gage.....looked so good, that I had to see more.....those folks have a wide variety of interesting gages for all sorts of applications......

I like the "retro" aircraft look of their products....seem to fit right in with the MB instruments......they don't have any metric gages tho.....darn, I would prefer to keep my Benz metric....if I can.....

SB
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Diesels:
'85 300D, "Max, Blue Benz", 155K, 27.0 MPG
'84 190D 2.2, "Eva, Brown Benz", 142K, 40.2 MPG
'77 240D (parts car)
'67 Eicher ES 202 Tractor "Otto" (2cyl, Air Cooled, 30HP)
Gassers:
'94 Ford F-150, "Henry", 170K (300 Six) 17.5 MPG
'85 190E 2.3, 148K....Parts Car
'58 Dodge W300M Powerwagon (Flat Fenders) Less than 10 MPG
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  #13  
Old 01-28-2007, 12:20 PM
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Quote:
Originally Posted by Shorebilly View Post
The way mechanical pressure gages are constructed, overpressure will damage them......and a continuous operation at the upper end of the range will also be detrimental to its internals, over time....
SB
At freeway speeds, my '85 boost (and I would presume most Benzes are similar) runs at 5 or 6 psi. The most I see is about 11, before the wastegate opens. So a 15 psi gauge works well for me and it also meets your correctly assessed safety/reliability concerns, since I'll never be operating at the upper end on a continuous basis. A 30 psi gauge is overkill (like a 150 MPH speedo) and leaves you with too little resolution. Additionally, mechanical gauges tend to be more responsive and more accurate in the middle of the range. At 5 psi, you're barely off the peg of a 30 psi gauge.

This is not to criticize the Westach gauge, which is otherwise nice. I just prefer something else (which also happens to be VDO, matching the factory gauges).
__________________

"Buster" in the '95

Our all-biodiesel family
1995 E300D (W124) . .239,000 miles My car
1996 E300D (W210) . .313,000 miles Wife's car
Santa Rosa population 170,685 (2012)
Total. . . . . . . . . . . . 722,685
"Oh lord won't you buy me a Mercedes Benz."
-- Janis Joplin, October 1, 1970
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  #14  
Old 01-29-2007, 07:21 AM
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VDO gages.....

Quote:
Originally Posted by Jeremy5848 View Post
This is not to criticize the Westach gauge, which is otherwise nice. I just prefer something else (which also happens to be VDO, matching the factory gauges).
Are these the VDO's that you refer to.....


Where's the best place to mount gauges?-r3607vw.jpgWhere's the best place to mount gauges?-r3607t.jpgWhere's the best place to mount gauges?-r3607tr.jpgWhere's the best place to mount gauges?-r5613r.jpgWhere's the best place to mount gauges?-r5675.jpg

....VDO doesn't seem to have a Vacuum Gage with a red pointer......

SB
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Diesels:
'85 300D, "Max, Blue Benz", 155K, 27.0 MPG
'84 190D 2.2, "Eva, Brown Benz", 142K, 40.2 MPG
'77 240D (parts car)
'67 Eicher ES 202 Tractor "Otto" (2cyl, Air Cooled, 30HP)
Gassers:
'94 Ford F-150, "Henry", 170K (300 Six) 17.5 MPG
'85 190E 2.3, 148K....Parts Car
'58 Dodge W300M Powerwagon (Flat Fenders) Less than 10 MPG

Last edited by Shorebilly; 01-29-2007 at 07:23 AM. Reason: allign photos
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  #15  
Old 01-29-2007, 09:21 AM
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Maybe I'm missing something, but why would you want a vacuum gauge on a turbodiesel?

Quote:
Originally Posted by Shorebilly View Post
....VDO doesn't seem to have a Vacuum Gage with a red pointer......

SB
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