W123 Performance Intake Kits on Ebay - Thoughts?
I came across this kit on ebay. Has anyone tried one? Do you guys think it is an "improvement" over factory or does it have any potential dangers to the engine?
I'm not planning on buying but have always wondered if K&N air filters really make any difference. Ebay Intake Kit Link |
If you look at your current set up, the air intake is at the leading edge of the hood.
The "Performance one" sucks in the hot air under the hood, plus K&N allow too much dirt to pass through. |
One of the longest discussed ones here. Stick to stock and get a WIX filter. Unless you plan on going bigger turbo+IC etc.
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This is not going to help NA engines. On the 617.95x, that is properly tuned, you'll notice a big increase in power from 60-100 mph and better fuel mileage.
$150 is way too much. You can put one together for under $50 but you have to locate the parts. I found mine as a cast off from my brother. K&N filters need to have a light coating of oil. Then they will protect as good or better than the stock filter. Once or twice a year I do a 10 minute cleaning and re-oiling. K&N takes advantage of the pressurized cool air inside the engine compartment while the car is moving. The intake is many times larger, and much more efficient, than the tiny stock MB scoop. I've used this setup on both of my 617.95x's and the difference over 60 mph is substantial. You are about to hear much disagreement following this message. Real world testing makes all this background noise to me. |
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K&N also makes a sotck fit filter, I wonder why they would do that? I will certainly agree that purolator filters are gonna suck in comparison. I've got one in my car and you can feel it dog down once the CFM really gets going. Do you wash and oil your filter every week? |
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Luddites will be Luddites. |
You can have a low pressure area and a higher ambient temp? How is this naive? Oh wait let me guess, plasma in a vacuum is cool to the touch?
Also for the record I have already done the cone filter route. Works great until the turbo get red hot, then performance drops and runs like a dog. Great in winter, crap in 103 degree Atlanta traffic jams. |
banter aside..:laugh2: german engineers originally had good design.
there was someone (from pacific nw, originally referenced in one of the many threads on the topic) that did do a "real" world study and found under normal operating conditions, the intakes passed more paticulate comparatively to marginal performance gains.. but after seeing the finns use them on their super617, cannot argue with the modification at that level. |
I'm not here to argue.
i installed a cone filter on a short ram. I did notice a slight boost in power before the turbo kicked in. Problem was, there was nowhere for me to connect my PCV hose. Tried cheap catch cans, did not help because of the amount of oil that passes through there. There was a $150 one on ebay but it didn't seem worthwhile to me.
I bought a brand new stock filter, and threw the stock filter housing back in. I didn't really notice the decrease in power when I went back. Probably the clean filter. There are plenty of other less controversial ways to tweak a w123. |
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:D Don't forget about the fifteen to twenty percent HP gain from the big "fart can" ricer muffler. :D :D I am sure that these three mods will allow everyone to justify the oft-repeated Ebay claim that "...these cars have been known to reach the one million mile mark, no problem!" :rolleyes: :rolleyes: :rolleyes: Snake oil is snake oil. There are SOME areas where one can improve on what the boys in Stuttgart designed decades ago. This air intake is not one of them. |
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