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  #46  
Old 04-17-2011, 02:34 AM
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now i wana do both.lol

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  #47  
Old 04-17-2011, 03:57 AM
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Quote:
Originally Posted by duxthe1 View Post
CIS is a whole different beast from EFI and raising fuel pressure won't increase delivery. It uses a pressure differential to control delivery, supply pressure doesn't change delivery. FWIW, the CIS pressure regulator isn't vacuum referenced, that line is a vent.
well its not vac referenced but since injectors face the boost pressure ie have to inject into over the normal air pressure u still lose some flow. on hi boost applications many increase the internal pressure to increase flow.
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-1995 Blue W202 C36 AMG (M) SOLD ;(
-1995 Black W140 S500 (Lady)
-1992 Black W124 E300 (Dima) (Ex-Mosselman
Twin turbo Kit).
-1988 Black W124 300 E 4-Matic.(Nadeen)
-1983 Brown W126 500SEL.(Old Lady)(Sold)
-1981 Gold W123 280CE.(Dareen)(Sold)
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  #48  
Old 04-17-2011, 07:33 AM
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some pics for your enjoyment
Attached Thumbnails
190E  TURBO project-dsc00251.jpg   190E  TURBO project-dsc00250.jpg   190E  TURBO project-dsc00274.jpg  
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  #49  
Old 04-17-2011, 08:20 AM
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So what manifold are you using? Do you have a WBO2 yet?
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  #50  
Old 04-17-2011, 08:50 AM
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Originally Posted by osama View Post
i agree.. + boost is boost no matter where it came from.. a TC or a SC.

I will be moving to Saudi Arabia, Riyadh next week.. for good. and one of the things that makes the move a little easier is the prices of the mercs .. they are relatively cheap ..

i found a 190e for sale online.. and it looks amazing.. here is the link

Riyadh...
Been about thirty years since I was there during the construction of NRIA airport, believed renamed to KKIA...
Wasn't much of a modern city then, I'm sure much has changed...
Good luck with your move !!
There were some nice, straight long lengths of highway outside of the city..
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1971 280SL ROADSTER
1988 300CE TWIN TURBO WIDEBODY
1994 E320 CABRIOLET
1999 C43 AMG
2005 G55K AMG
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Last edited by RBYCC; 04-17-2011 at 10:09 AM.
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  #51  
Old 04-17-2011, 09:30 AM
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im still searching 4 a good wideband 02 online. Somebody recomended autometer.what do u guys recomend?
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  #52  
Old 04-17-2011, 10:02 AM
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Originally Posted by tjts1 View Post
Well to be fail, a turbo has its own form of parasitic loss in the form of increased back pressure.
Not commenting on which device is better, but more on the technical aspect of your response.

With all due respect and not trying to get into semantics, I find your statement incorrect as it doesn't fit the true definition of parasitic loss in an internal combustion engine.

The definition of parasitic loss in an internal combustion engine is the friction of internal parts while in motion and any external device that is driven off the rotation of the crankshaft.
Any device that is driven off the crank takes power away from what can be delivered to the drive train.

Your response may come from your confusion as any rotating device has a parasitic loss.
In the case of a turbo it has internal parasitic losses due to friction.
However this internal loss doesn't link to the crankshaft.
In essence nothing is 100% efficient.

Back pressure doesn't create a parasitic loss as the boost is producing power and back pressure may or may not reduce the amount of power produced.
Properly sized, minimal backpressure is used to generate the equivalent boost pressure. A 1:1 ratio between boost and exhaust pressure is considered very good, but back pressure can actually be less than the boost pressure in some applications.

Conversely a supercharger has constant parasitic loss due to the fact that it is driven by the rotation of the crankshaft.
In some instances you may realize as much as a 15% loss of power.
Actual loss is determined by the mechanical efficency of the compressor.
It is no more then a belt driven device no different then an alternator, AC compressor or power steering pump.
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http://i19.photobucket.com/albums/b1...c/GOWIDE-1.jpg
1971 280SL ROADSTER
1988 300CE TWIN TURBO WIDEBODY
1994 E320 CABRIOLET
1999 C43 AMG
2005 G55K AMG
2008 CLK63 AMG BLACK SERIES

Last edited by RBYCC; 04-17-2011 at 10:13 AM.
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  #53  
Old 04-17-2011, 04:14 PM
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ok. Point taken there. Im just interested in the supercharger coz it means i dont need 2 change my fuel system.
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  #54  
Old 04-17-2011, 04:43 PM
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Quote:
Originally Posted by RBYCC View Post
Riyadh...
Been about thirty years since I was there during the construction of NRIA airport, believed renamed to KKIA...
Wasn't much of a modern city then, I'm sure much has changed...
Good luck with your move !!
There were some nice, straight long lengths of highway outside of the city..
It is called KKIA now, i've been there before but only for a month. i hope i will put those roads to the test .. but im undecided yet between the 300SEL with a twin turbo setup, or a 190e 3.0 twin turbo.

anyways im decided on the M103 engine. im in love with it.

another option would be a 560SEL rear mounted Twin Turbo.

its a bit early to talk about it.. its all day dreams for now.

----------
edited: not rear mounted on the 300SEL .

Last edited by osama; 04-17-2011 at 05:12 PM.
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  #55  
Old 04-18-2011, 06:29 AM
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dream brother dream!! its what keeps us alive in these trying times.

im also dreaming of dual charging my 2.0. like do the supercharger now and add on the turbo later. and do the necessary fuel system changes, getrag gearbox, lsd, wheels and brakes from a c55.

cant wait to get my wideband o2 sensor. i feel like my whole life will change with that single item.
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  #56  
Old 04-18-2011, 07:21 AM
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Quote:
Originally Posted by JUNAID786 View Post
dream brother dream!! its what keeps us alive in these trying times.

im also dreaming of dual charging my 2.0. like do the supercharger now and add on the turbo later. and do the necessary fuel system changes, getrag gearbox, lsd, wheels and brakes from a c55.

cant wait to get my wideband o2 sensor. i feel like my whole life will change with that single item.
least of all it will give you a piece of mind knowing your AFR is correct.
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  #57  
Old 04-18-2011, 12:17 PM
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guys, what about the 3.0l m103 engine? Will it fit in my 4 cylinder bay?
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  #58  
Old 04-18-2011, 12:59 PM
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Yes if you change out the radiator and support with one from a 6 cyl W201.
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  #59  
Old 04-18-2011, 02:12 PM
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wow. Omg. Think im going 2 do that first
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  #60  
Old 04-18-2011, 02:56 PM
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w8 w8 wat about a v8? Which 1? 500sel? Its got a nice low compression ratio. Will it fit?

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