Interesting. So what's wrong? What do I do to fix it?

I will say that my car has never had the 'rush' feeling of getting on the tubo as it winds up -- but I always thought it was due to the trap cat restricting the breathing. Would be happy to be wrong!

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"Buster" in the '95

Our all-Diesel family
1996 E300D (W210) . .338,000 miles Wife's car
2005 E320 CDI . . 113,000 miles My car
Santa Rosa population 176,762 (2022)
Total. . . . . . . . . . . . 627,762
"Oh lord won't you buy me a Mercedes Benz."
-- Janis Joplin, October 1, 1970

I've never played with a TrapOx equipped engine so that may be the case. That Trap is a pretty significant restriction and allows the exhaust to expand before the turbo.

It's really neat how you mounted that gauge! I wish my SD had round vents

I'm going to make a little pod that I set right next to the hump for the instrument cluster, I have to repair some cracks in my dash anyway so I thought I'd integrate a pod in there... Volts, Boost and EGT whenever I get the $$ for all that..

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RIP: 80 300SD
RIP: 79 450SEL
2002 E430 4matic (212,000km)
2002 ML500 'sport'

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FACEBOOK: PANZER450

Thanks for all the replies everyone. I will adjust it today so the waste gate "opens" at around 12psi or so. Thanks again for all of the info. If any one has any questions about an install, please feel free to pm me!

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2005 Accord Hybrid (Wifes)
1995 Subaru Impreza L AWD (Snow car)
1984 GMC Sierra 1500 (Mine)
1983 300CD Best $ I ever spent. (Mine)
1984 190D (sold and glad I did)
1983 300D (sold and wished I hadn't)

I've wondered about finding a welder to make me a test pipe so I can remove the trap ox and make some comparison tests. That would be easier and quicker than finding a federal version and swapping the parts. You have to replace everything all the way from the air cleaner to the exhaust pipe, or so I've read here.

__________________

"Buster" in the '95

Our all-Diesel family
1996 E300D (W210) . .338,000 miles Wife's car
2005 E320 CDI . . 113,000 miles My car
Santa Rosa population 176,762 (2022)
Total. . . . . . . . . . . . 627,762
"Oh lord won't you buy me a Mercedes Benz."
-- Janis Joplin, October 1, 1970

I think you're fine Jeremy, I get the same readings as you with my Fed engine. I can get it up to 11 psi or so when I have it floored, but it never gets that high otherwise.

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1979 240D- 316K miles - VGT Turbo, Intercooler, Stick Shift, Many Other Mods - Daily Driver

1982 300SD - 232K miles - Wife's Daily Driver

1986 560SL - Wife's red speed machine

Thanks, so do I.

__________________

"Buster" in the '95

Our all-Diesel family
1996 E300D (W210) . .338,000 miles Wife's car
2005 E320 CDI . . 113,000 miles My car
Santa Rosa population 176,762 (2022)
Total. . . . . . . . . . . . 627,762
"Oh lord won't you buy me a Mercedes Benz."
-- Janis Joplin, October 1, 1970

How about this VDO with 15psi range? A little more inkeeping with the MB styling?
http://www.egauges.com/vdo_mult.asp?Type=Turbo_Boost&Series=Vision&Units=E

RT

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When all else fails, vote from the rooftops!
84' Mercedes Benz 300D Anthracite/black, 171K
03' Volkswagen Jetta TDI blue/black, 93K
93' Chevrolet C2500HD ExCab 6.5TD, Two-tone blue, 252K

I suggest ISSPRO gauges. The have 10x better lighting and night visibility than VDO.

http://www.egauges.com/vdo_ind.asp?Type=Manifold_Pressure&Series=EVA&PN=R5611

He has more of what I bought. I liked the silicone filled gage.

http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&item=320045233254&ssPageName=MERC_VIC_RSCC_Pr4_PcY_BIN_Stores_IT&refitem=320040364923&itemcount=4&refwidgetloc=closed_view_item&usedrule1=StoreCatToStoreCat&usedrule2=CrossSell_LogicX&refwidgettype=cross_promot_widget
-Jim

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1995 S350D, Green with black leather interior.
Bought January 2008 w/ 233,xxx miles.
I did 22,000 miles during the first year of ownership.

1-1/2" is pretty small. Standard gauges are 2-1/16"

I'm using a VDO boost and pyrometer. They match the stock gauges well in terms of looks and lighting. Seriously though I am happy with them. I think it would be distracting to have ultra bright gauges.

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1979 240D- 316K miles - VGT Turbo, Intercooler, Stick Shift, Many Other Mods - Daily Driver

1982 300SD - 232K miles - Wife's Daily Driver

1986 560SL - Wife's red speed machine

That is what I have. Scroll through the pics posted after the Sacramento GTG and you will see my 3-gauge panel.

__________________

"Buster" in the '95

Our all-Diesel family
1996 E300D (W210) . .338,000 miles Wife's car
2005 E320 CDI . . 113,000 miles My car
Santa Rosa population 176,762 (2022)
Total. . . . . . . . . . . . 627,762
"Oh lord won't you buy me a Mercedes Benz."
-- Janis Joplin, October 1, 1970

Mine too, it was a joke. lol

I'm about 13psi now. MUCH better down the freeway.

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I'm not a doctor, but I'll have a look.

'85 300SD 245k
'87 300SDL 251k
'90 300SEL 326k

Six others from BMW, GM, and Ford.

Liberty will not descend to a people; a people must raise themselves to liberty.[/IMG]

Did you adjust max load at all? These engines should have an excess of air, so I am surprised there was an effect from increasing the boost.

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1979 240D- 316K miles - VGT Turbo, Intercooler, Stick Shift, Many Other Mods - Daily Driver

1982 300SD - 232K miles - Wife's Daily Driver

1986 560SL - Wife's red speed machine