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  #1  
Old 08-12-2020, 04:16 PM
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Location: New Orleans
Posts: 141
W123... Boost gauge ...examples please

I stuck a temporary boost gauge in my 84' 300D and I love it. The turbo spools in at about 1,800 rpm (maybe 2 psi, under load) and peaks @ about 12.5 psi floored (3rd gear) @ 4,500 rpm. I usually drive (I-10) @ around 3,000-3,500 rpm with constant boost between 10psi-12psi.

Now, I would like to install a permanent boost gauge.

I'm old and tired and would prefer not to reinvent the wheel... so, if you have a permanently installed boost gauge in your w123 please share your photos... it's greatly appreciated!!!

Thanks in Advance!

dennis

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'84 300D (211k) *New*... (Wife's)
'85 300TD (174K) 10th Year... (Mine)
'96 F-350 7.3L Dually (149K) Since New
'85 300D (156K) ~~~Wrecked~~~ Damn it! (parts)
'84 300D (176k) ~~~Wrecked~~~ Damn it! (parts)
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  #2  
Old 08-12-2020, 04:19 PM
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Join Date: Mar 2020
Location: tuscaloosa, AL
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A-pillar pod?
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  #3  
Old 08-12-2020, 06:04 PM
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Join Date: Jul 2015
Location: Los Angeles, CA
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https://www.google.com/search?q=w123+ashtray+gauges&source=lnms&tbm=isch&sa=X&ved=2ahUKEwiPl_rT1ZbrAhVCHjQIHYEHB8YQ_AUoAnoECBAQBA&biw=1600&bih=827

I don't smoke, so I like the ashtray location.


Quote:
Originally Posted by dennislarock View Post
I stuck a temporary boost gauge in my 84' 300D and I love it. The turbo spools in at about 1,800 rpm (maybe 2 psi, under load) and peaks @ about 12.5 psi floored (3rd gear) @ 4,500 rpm. I usually drive (I-10) @ around 3,000-3,500 rpm with constant boost between 10psi-12psi.

Now, I would like to install a permanent boost gauge.

I'm old and tired and would prefer not to reinvent the wheel... so, if you have a permanently installed boost gauge in your w123 please share your photos... it's greatly appreciated!!!

Thanks in Advance!

dennis
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1983 300D Midnight Blue
4 speed, W115 intake mani, non-EGR exhaust mani, KKK K26, 3 pc Euro bumpers, Lo-spec Euro headlights, AL129X, hubcaps, custom A/C

1987 300TD Smoke Silver
Euro headlights, thermostat relocation, coolant bypass mod, rebuilt Becker + Jehnert + Helix audio, OEM Oris roof boxes and surfboard racks, Euro towbar

1983 300TD Reed (Moss) Green / Dark Olive MB Tex Euro spec

1983 300TD Silver Blue / Blue cloth Euro spec, OM648 and 722.6, 15" hubcaps, W126 S2 brakes
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  #4  
Old 08-12-2020, 08:38 PM
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Join Date: May 2009
Location: Sacramento, CA
Posts: 726
Here is my gauge setup after the ashtray delete.
I used some zebrano veneer from Woodcraft for the finish.
boost gauge--second fuel tank gauge--vacuum gauge.
The switch in the middle is to switch between the two fuel tanks.


Jeff
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W123... Boost gauge ...examples please-boost-gauge.jpg  

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1984 300SD 300,000 miles--two tank WVO setup
2.88 diff & 500SEL anti-squat rear end
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