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Although the competition was good & potentially pushed Benz to develop their engines further, it also seems it encouraged Benz to respond with things like self closing doors. A neat gadget but really unnecessary & added complication, potential failure points, expense & extra weight. And of...

It is also worth observing that the early M119 featured a substantially different air filter housing despite still using K Jet. And the later M119 used a different intake manifold similar to the much earlier D Jet

It is interesting that in the latter development of the W126, Benz were suddenly competing with the 300hp BMW V12 which was introduced in 1987. In response, they developed the 220kW M117 which included higher compression, knock sensors & the Tri Y exhaust manifolds. Interesting that the...

I’m not aware of any raw data or evidence. I believe that up until the official AMG merger MB was focussed on reliability, comfort & safety. Performance & efficiency were not priorities & certainly nothing like the likes of Ferrari or Lamborghini. Yes there is definitely lots of room for...

Other observations about the factory housings are the snorkels are directing incoming air towards the internal hump or restriction plus the lid is concave directly above the air flap thereby decreasing headroom for incoming air to change direction. If anything the lid should be convex in that...

Looks like 2mm wall thickness was for stainless & not mild steel which is commonly 1.6mm

I think it’s all about good marketing without independent testing or real data to support their claims. Similar to Moreys oil additive and pretty much all fuel system ‘cleaners’

Yes however it’s still internally restrictive

Interesting that I noted my AU V8 exhaust became more muted over time which I put down to a loss of compression but could also be explained by exhaust deposits coating the inside of the system. If true it could also warrant deciding to go with a slightly larger diameter pipe. Given it seems...

BTW the title of this thread should be changed to ‘Restrictive Air Filter Assemblies’, since there’s nothing wrong with the actual filtering function

I was thinking something like a ‘shaker’ with an adapter for the CIS intake

Honestly I think on the performance models, Benz would’ve been better to raise the whole air filter assembly above the divider & eliminate the restriction at the centre of the assembly. That could also allow more headroom into the air flap. Obviously a bonnet bulge would be required which would...

Some pix from HR 2023. My phone’s on its last legs with almost no memory or battery life left so I’ll upgrade soon which will allow me to take much better quality shots since my old phone is a dinosaur iPhone 6S!

Well I contacted my fabricator around 3 weeks ago, just before a spontaneous holiday to Bali. Seems he was unable to construct some of my final design with the space constraints. So I went back to the drawing board for a rethink & came up with a revised design which could be even better. It...

Add 2x2mm (4mm total) for sufficient wall thickness to arrive at my recommended OD sizes

On reflection the above example dispels my theory the reason MB used a smaller diameter twin system was due to clearance issues! So a single 3-3.25” should be easy...

I think it was common back then to make all sorts of claims and people believed them without the need to back it up with any hard evidence!

More photos located, including some very special ones! A booklet signed by Fangio on the day and an action pic at 220kmh.... Pix to follow when we get back from Bali in 2 weeks. 🚀🚔