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  #241  
Old 02-02-2006, 10:48 PM
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Today I ran the 83 on a straight on-ramp (stopped just in) and timed 60. It was 12 seconds but the ramp has a slight up-hill slope, and the car was a little under operating temperature, so I figure on flats it will run 11's all day. Now after my new straight pipe, 10's should be easy

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1983 300d Turbo (Daily Drive) -- 243,000 miles
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  #242  
Old 02-03-2006, 01:52 AM
Brandon314159
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Quote:
Originally Posted by Boardmonger
Today I ran the 83 on a straight on-ramp (stopped just in) and timed 60. It was 12 seconds but the ramp has a slight up-hill slope, and the car was a little under operating temperature, so I figure on flats it will run 11's all day. Now after my new straight pipe, 10's should be easy
Sorry to burst your bubble but, you might find yourself suprised how little the straight pipe changes the acceleration of an otherwise stock car...the MB exhaust really isn't that restrictive...

11's for a 300D would be rather quick...not impossible but quick. If you think you can run 10's you're kidding more than yourself

This is all assuming you car is "realitively" stock
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  #243  
Old 02-03-2006, 10:20 AM
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Ditto what Brandon said.

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  #244  
Old 02-03-2006, 11:11 AM
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Well when I bought my car, there was a pretty big hole in my exhaust, in the header pipe. Before I had it replaced, my turbo would kick in at about 1800 rpm's. Now that is has been replaced, it is kicking in at 2200, so it would make a difference. With the boost engaging a second earlier I have a bit more power, and can run faster. My car is pretty much stock, just the alda is turned up a little, definatley not all the way out. I know 10's are probably not possible, but I like to think it might be able to happen. I'm just happy my car is not a complete snail.
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-Zack K.

http://www.maj.com/gallery/Boardmong...-Drive/si2.jpg


1983 300d Turbo (Daily Drive) -- 243,000 miles
1979 280ce AMG (Beginning extreme restoration) -- 141,410 miles
1979 Yamaha Chappy LB50 (Awating new points) -- 1411.6 miles

1981 300d Euro 4 speed -- 188,421 km -- SOLD
1979 300d Euro 4 speed (Sold to Brother) -- 257,000 miles

A Collection of w123 AMG Cars and Parts
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  #245  
Old 02-21-2006, 02:27 PM
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last summer 0 to 60, with open rear and too small turbo (HX40):
http://www.pbase.com/camerafin/image/45654977/large

i hope following summer i can do better. the car is Mercedes 190D Turbo with some mods.
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  #246  
Old 02-21-2006, 02:52 PM
ForcedInduction
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Quote:
Originally Posted by nokileka
last summer 0 to 60, with open rear and too small turbo (HX40):
http://www.pbase.com/camerafin/image/45654977/large

i hope following summer i can do better. the car is Mercedes 190D Turbo with some mods.
An HX40 is TOO SMALL!!!??? A stock 5.9L Cumins uses an HX35.

Here, i've found a turbo that should give you ALL the airflow you need!
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  #247  
Old 02-21-2006, 03:28 PM
Brandon314159
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Originally Posted by ForcedInduction
An HX40 is TOO SMALL!!!??? A stock 5.9L Cumins uses an HX35.
My thougths exactly! I am curious to see some other pictures of this car's modifications!
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  #248  
Old 02-21-2006, 03:35 PM
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What the heck does that go on?!
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  #249  
Old 02-21-2006, 08:57 PM
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Well, I've seen enough of the 603. We all know what the 603/606 are capable of even with (undersized) turbos.

How about something to stir things up a bit? How many of you guys are familiar with a 0-85 mph video of the new V6 CDI with the 7G-Tronic transmission?

http://media.putfile.com/06-E320-0-140km_hr-13-seconds

I found the video from mbworld.org from a good member who posted his thoughts.
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  #250  
Old 02-21-2006, 09:50 PM
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Yeah they have a video of an S320CDI doing a pull to. I thought it was pretty quick until I saw the next video of the S55 AMG, then it kind of seemed like a dog.


http://media.putfile.com/Mercedes-300-TD

Some 606 fun
http://media.putfile.com/Mercedes-Benz-Donuts

Funny
http://media.putfile.com/1977-Mercedes-Nitrous-Purge

Just listen to the SLR's exhaust note!
http://media.putfile.com/Mercedes-SLR-vs-E55-AMG
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Last edited by Hatterasguy; 02-21-2006 at 10:06 PM.
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  #251  
Old 02-22-2006, 02:13 AM
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By stopwatch, the 300SD, after K1 kit install, is pulling 13.7 to 60 with my VDO only showing 9 psi max boost. Dawes to the rescue, it's in the mail. Even if it doesn't get much faster, I'm still happy with it. I'm going to a 2.47 diff which will probably take back any gain made with boost increase- but this is the "Scenicruiser" and I like it just fine, I'll like it even better if I can't hear the 617 at work doing 70.

Thinking about adapting an intercooler and opening up the exhaust a little, but I'm really not so sure- the other car is a Turbo Quattro Audi from the same era of the 126 SD... at 18 psi it growls, pings, and runs a 6.2 second 0-60 which the SD will never get near no matter what I do (not counting Finn-spec 606, Cummins, or Detroit V8 swaps)...one for comfort, one for speed I guess...
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  #252  
Old 02-22-2006, 04:46 AM
ForcedInduction
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I hate Putfile. I really don't understand why people use trash sites like that.
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  #253  
Old 02-22-2006, 02:31 PM
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Quote:
Originally Posted by Brandon314159
My thougths exactly! I am curious to see some other pictures of this car's modifications!
the engine is plain vanilla OM602 5-banger, 722.3 auto, 3" exhaust, modified IP, intercooler and there was HX40. next summer there will be some internal mods, Bf Goodrich Drag Radials rear and 2.65 diff good for 160+ mph top speed. turbo is gonna be just slightly bigger HX50, since HX40 put too much boost and i had to add an external wastegate in order to keep boost levels under 30psi. physical size of the HX50 is bit problem, since W201 is a small car. here's a picture with small HX40: http://www.pbase.com/camerafin/image/45610429/large


this is nothing compared Big boys Mercedes diesels with 6-cylinder engines found in Finland

well, for me it runs just fine for an old diesel, and i'm not shooting to the moon
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  #254  
Old 02-22-2006, 02:47 PM
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And how will a bigger turbo give less boost?

I think that you can achieve less boost by simply increasing the size of the turbine exhaust housing and or a bigger wastegate. A bigger turbo will just have much more lag time. Generally what is needed is an acceptable boost level over a broader rpm range such as is possible with a variable geometry turbo.
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  #255  
Old 02-22-2006, 03:26 PM
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Quote:
Originally Posted by Bajaman
I think that you can achieve less boost by simply increasing the size of the turbine exhaust housing and or a bigger wastegate.
you're absolutely right about that. bigger exhaust housing will help. also it wont bring me extra hp at higher rpm since compressor will be the same. bigger series turbo will breathe better. for a daily driver even HX35 would be fine, if boost is cut by wastegate. it also means loosing serious hp at higher engine speeds.

the HX40 was actually HX40W with integrated WG, but i had to add BIG external piston type WG. now i think the external WG is enough and simplify the setup.

Quote:
Originally Posted by Bajaman
A bigger turbo will just have much more lag time. Generally what is needed is an acceptable boost level over a broader rpm range such as is possible with a variable geometry turbo.
the lag was minimal with HX40 and with HX50 it should be not much worse. automatic also help to keep boost up while accelerating. VNT is intresting concept, but HX50 sized VNT's are rare. that's why i'm using this stone age technology

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