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  #31  
Old 06-20-2007, 07:52 PM
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I like they way the do it on the SDL's. They mount the air filter box on the fender insted of the engine, works fine.


On my 300SD I replaced the big metal mount and all three of the rubber mounts. The engine shook like crazy but they were still fine when I sold the car after a year. Its not really as big of a problem as people make it out to be, just replace the mounts every few years, not a big deal.

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  #32  
Old 06-20-2007, 08:18 PM
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What irritates me is the implied sentiment that I don't maintain my car. Nothing could be further from the truth. I am willing to bet that I am in the top 3% of funds expended into an old diesel MB.

The modification has been backed up with oil analysis showing there is no increase in crap in the oil so the supposed deficiency in filtration by the K&N is a moot point in my application. YRMV.

It is also irritating when it is implied I have done nothing to try to quell the vibrations that destroy the factory mounts. I have replaced every possible part that could improve the problem without resolution. It didn't work. The modified intake was the cure. Some cars seem to vibrate more than others. Its the way it is. 5cylinder engines are inherently unbalanced anyway.

I suppose that some of the comments are designed to irritate and thats fine too. For me this isn't about money. Spending as much as we do on old diesels wouldn't make sense to many people. I don't really care about resale value and if a so called "enthusiast" is interested in my car or not. I have already spent more than I will ever get out of it anyway so losing a "sale" to a supposedly "knowledgeable" MB guru just about pegs my I-don't-give-a-***** meter.

Lastly, the keep it stock mentality around here is stifling most of the time. There are plenty of tasteful details that can be performed on these old cars with good results. What does it matter if I happen to modify a part that you will never see? Does it make you all feel better with the Holier-than-thou crap? Pure BS is what it is. Ever think that a newbie on this site may leave immediately when confronted like this? Less than accommodating is the result. RT

RT
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  #33  
Old 06-20-2007, 08:26 PM
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Normally i just leave these threads alone, knowing that I'm perfectly happy with my K&N style filter set-up and not feeling the need to defend it. But they always bring up so much emotion in people here.... I may not know enough to offer a compelling argument for intake modification, but every Modified Finnish Mercedes I have seen has one of these filters, They know so much about increased performance in these cars, are they wrong about the intake?
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  #34  
Old 06-20-2007, 08:32 PM
Craig
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Quote:
Originally Posted by Hatterasguy View Post
I like they way the do it on the SDL's. They mount the air filter box on the fender insted of the engine, works fine.

On my 300SD I replaced the big metal mount and all three of the rubber mounts. The engine shook like crazy but they were still fine when I sold the car after a year. Its not really as big of a problem as people make it out to be, just replace the mounts every few years, not a big deal.
I've replaced my bracket once, but that was after it came back from the shop broken (so I suspect it didn't break by itself). I've replaced the rubber mounts a couple of times, but once it was because I didn't know they were supposed to have heat shields (idiot), that's over about 6 years and 225K miles. These engines should not shake enough to damage the mounts. The SDL design is probably better, but the 616/617 design works just fine. No need for hillbilly engineering.
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  #35  
Old 06-20-2007, 08:38 PM
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Congrats on making the ignore list. RT
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  #36  
Old 06-20-2007, 08:44 PM
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Quote:
Originally Posted by Quinn8it View Post
Normally i just leave these threads alone, knowing that I'm perfectly happy with my K&N style filter set-up and not feeling the need to defend it. But they always bring up so much emotion in people here.... I may not know enough to offer a compelling argument for intake modification, but every Modified Finnish Mercedes I have seen has one of these filters, They know so much about increased performance in these cars, are they wrong about the intake?
I bet the finns do it because their cars DO have increased performance that requires more airflow. our "normal" 617 motors don't have the fuel or the turbo to require additional filtration area.
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  #37  
Old 06-20-2007, 09:25 PM
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Originally Posted by rwthomas1 View Post
Heres a pic of my setup.
I'll give you some credit. Most people put a cheap little ricer cone on their tube but you chose a good sized filter that won't be restrictive.

Quote:
Originally Posted by Quinn8it View Post
I may not know enough to offer a compelling argument for intake modification, but every Modified Finnish Mercedes I have seen has one of these filters, They know so much about increased performance in these cars, are they wrong about the intake?
They also have a HUGE intercooler. They can afford to take in hot engine bay air because that heat will be removed as it passes through the intercooler.
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  #38  
Old 06-20-2007, 09:36 PM
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Originally Posted by FlossHogg View Post



I can proudly say I have just sold the my 2nd 300sd and the 2nd fastest 300sd in Texas........
I'm with ya Floss! You never ever want to appear cocky, so saying you had the fastest SD in Texas would be a little too braggadocios. Kudos on the choice of 2nd fastest SD in Texas.....
Nobody will ever suspect a thing......
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  #39  
Old 06-20-2007, 10:01 PM
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Originally Posted by H-townbenzoboy View Post
More air isn't going to do anything for your car. Even with the U-tube, the turbo already ingests more air than what's needed for combustion.

Perhaps in stock form. More air is not needed... However, more air means more fuel can be added. right?

I also said more-cooler air. I don't like the bare air filter in the engine bay. Besides looking unfinished, [I'm not flaming here guys, just stating my visual preferences] I believe the air sucked in is hotter, especially on hot summer days idling in traffic.... But, no one EVER does that right?

Every time I open the hood and look at that UGLY retrofit gasser washing machine tub air box, I think to myself, "with all the cool advanced engineering things on this car, :wtf: WHY stick a crappy air box (can) on it!"




Soooo.... Why can't we upgrade the air box to this pic. I know it won't have the cool shark gill but........ I don't like it anyway.
Attached Thumbnails
I was only gonna change the air cleaner mounts...-airbox.jpg  
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File Type: bmp shark.bmp (56.3 KB, 63 views)
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  #40  
Old 06-20-2007, 10:04 PM
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Originally Posted by ForcedInduction View Post
They also have a HUGE intercooler. They can afford to take in hot engine bay air because that heat will be removed as it passes through the intercooler.
That makes sense.... I guess i already have that step done... Now I just need to INTERCOOL!
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  #41  
Old 06-20-2007, 10:29 PM
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I found a K&N type filter 6" dia cone type that has a inverted cone on the opposite side of the turbo,(with filter element)that you can modify the original air intake coming in from the grill and plug it into the inverted end of the filter to give you more cold outside air. NICE
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  #42  
Old 06-20-2007, 11:37 PM
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Quote:
Originally Posted by JimmyL View Post
I'm with ya Floss! You never ever want to appear cocky, so saying you had the fastest SD in Texas would be a little too braggadocios. Kudos on the choice of 2nd fastest SD in Texas.....
Nobody will ever suspect a thing......
I lollered! Nice.

Well if anyone in Austin, Texas is up to it...We can take our sleds out to some turn around and see whose is the fastest. I wouldn't say it if I had not beaten every SD and SDL I have had the pleasure of lining up with (6 to date). However, if someone feels they are faster they can run what the brung. I am not scared. I have beaten Civics (riced out ones mind you) in my jalopy.

The only downside to my vaccum mods is that the car will shift kinda firm if you are not at at least half throttle but at full throttle it shifts smooth as butter and sometimes gives a little squeal at the wheel.

Besides the fastest one in Texas is in my garage getting fitted for a new fuel system.
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Last edited by FlossHogg; 06-20-2007 at 11:52 PM.
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  #43  
Old 06-21-2007, 12:07 AM
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Quote:
Originally Posted by RNCarl View Post
Soooo.... Why can't we upgrade the air box to this pic. I know it won't have the cool shark gill but........ I don't like it anyway.
I've always wondered about the design of those fender-integrated intakes on the diesel W124's (aka shark gills). My W210 has the airbox-style filter as well, but the intake tube takes air from the grille, right next to the radiator. I believe this setup is WAY SUPERIOR to any cone-style "cold air intake," which really takes HOT air that has already passed through the radiator. The stock setup on my E300 takes truly cold air directly from the grill, through the filter, and straight to the turbo. But then again, E300's also have a front-mounted intercooler, which cools the air further.

Perhaps the best modified setup for the SD would be to adapt the box-style filter from a later SDL? The biggest disadvantage I see in the "washing machine" filter on the SD is its turbo-heat-retentive properties, which would be lessened by using a fender-mounted box filter with its intake at the grille.
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  #44  
Old 06-21-2007, 08:03 AM
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nice old seperator RT! I'd get one of those but I'm thinking of relocating mine to the firewall that moroso might be a tad tall for that application.

Next... stainless steel heat shields for turbo and battery.
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  #45  
Old 06-21-2007, 09:13 AM
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Quote:
Originally Posted by Mister Byrnzoil View Post
Thanks everyone for your comments.


Things I have learned so far....


an "old faithful" type eruption of oil up thru the dipstick tube can be accomplished by blocking the vent on top of the valve cover on a runnning engine.

the oil seperator can leaks gasses around the top flap and need to be welded/glued shut.

To tuck the airfilter behind the headlight, you need a 90 degree intake tube.

That electric coolant pump might hafto be relocated an inch or 2.

Listening to your turbo spool for the 1st time (even in a deserted parking lot) is sweet

My '85 300D has a hole in the front right fender that I used for air. It does not open into the outside fender well an I have had no water issues at all.
I run my CCV to the back of the car and put on a valve cover filter at the end of the hose. Rubber plug on the oil return tube. What you have done is a good thing!!! No more hot air, no more oil into the turbo, no more oil to clean from the intake! Air flow better.........who knows, who cares.







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