Just finished the Caddmann air cleaner mod

[muz]

In a word. Wow! What a difference it has made.
I bought a near new air cleaner lid from the local car parts recycler yard for 10 bucks with a good filter element ( got a new element on order) and just followed Caddmanns instructions.
There are two types of lids you can use, one is dished and the other is domed. I chose the dished one so I could use the original retainer bolt.
I could of finished the transplant in 10 mins but I decided to make one important change to the instructions.
I kept the original filter etc on the left but sealed off the old air tube ( the one that goes from the original filter then between the cylinders), on the right side NOT the left so as to stop heated air getting into the engine. Much improved volumemetric efficiency. Real important. Glad I did this mod as it has made a huge improvement. I don't ride in the wet and a garden hose never goes near my bike so having an enclosed filter is not important to me.

The whole mod is easily reversible in just a few minuits.

Nice to hear that baby breathin now.

[redjay]

Do you have a fuel processor installed ?

[muz]

Originally Posted by redjay

Do you have a fuel processor installed ?

No I don't. I don't have any pinging at all and I have removed the baffles as well. Given that the air temp sensor is now detecting a much cooler charge in the aircleaner chamber I may not have to fit one.
If I do I might just do the resistor mod using the lowest value of 500 ohms. The temps here at the moment are well over 110F. I do use 95ron fuel with castor upper cyl lube

Update: I just fitted an 800ohm (coz that's all I had) resistor to the air temp sensor just to be on the safe side. Will give it a run tomorrow to see how it goes. I have noticed the idle speed has come up now by about 200rpm.

[muz]

Originally Posted by muz

No I don't. I don't have any pinging at all and I have removed the baffles as well. Given that the air temp sensor is now detecting a much cooler charge in the aircleaner chamber I may not have to fit one.
If I do I might just do the resistor mod using the lowest value of 500 ohms. The temps here at the moment are well over 110F. I do use 95ron fuel with castor upper cyl lube

Update: I just fitted an 800ohm (coz that's all I had) resistor to the air temp sensor just to be on the safe side. Will give it a run tomorrow to see how it goes. I have noticed the idle speed has come up now by about 200rpm.

And its a big thumbs up for the 800 ohms resistor mod as well.
It just ain't the same bike no more.

[blowndodge]

Please don't call that the "cadmann" mod!! That guy whom claimed it was "his" mod is, totally F O S!!

[muz]

Originally Posted by blowndodge

Please don't call that the "cadmann" mod!! That guy whom claimed it was "his" mod is, totally F O S!!

Muz's mod then?

[id-man]

Originally Posted by blowndodge

Please don't call that the "cadmann" mod!! That guy whom claimed it was "his" mod is, totally F O S!!

Is that bait? That claim is simultaneously strong and vague. If there's more to the story it isn't common knowledge to me, what did I miss?

[nomad ryder]

I did basically the exact same thing a few months ago. muz is right, it's an almost completely different motorcycle, and it was even more dramatic on my CA model.

[rickyboy]

I'm unclear about the "resistor mod" you speak of, but my understanding is, and I've done the complete "cadmann", is that you'll need to increase the fuel to the bike, therefore a simple fuel processor is going to be needed I think. Otherwise it'll be running too lean. I,.. like many others here went with the Dobeck TFI because it only increases the fuel to the bike. Which is all you want. But others have gone with the Cobra etc. and some have even gone to the extent of getting their bikes on a dyno and had it mapped.. ......Have you changed pipes or at least debaffled the stock ones? I never did change the pipes like I was planning...$$$$ ......but I did debaffle .

Just my thoughts,... good luck and ride safe.

[muz]

Originally Posted by rickyboy

I'm unclear about the "resistor mod" you speak of, but my understanding is, and I've done the complete "cadmann", is that you'll need to increase the fuel to the bike, therefore a simple fuel processor is going to be needed I think. Otherwise it'll be running too lean. I,.. like many others here went with the Dobeck TFI because it only increases the fuel to the bike. Which is all you want. But others have gone with the Cobra etc. and some have even gone to the extent of getting their bikes on a dyno and had it mapped.. ......Have you changed pipes or at least debaffled the stock ones? I never did change the pipes like I was planning...$$$$ ......but I did debaffle .

Just my thoughts,... good luck and ride safe.

After the air cleaner mod (and yes I did debaffle) I thought the bike ran fine. The only thing that alerted me to the fact that the motor was now running a little leaner was that when I cracked the throttle quickly from idle the motor would sort of "sneeze" occasionally. Not noticeable while actually riding the bike.
So I thought I would try the resistor mod as per Gadgets fix it page before spending big bucks on a Cobra etc.
Well the resistor worked great. It made a big difference to the performance and no more sneezing
And what has supprised me is that I am using less fuel now. Go figure that one. I think its because I am rolling on less throttle for the same given speed now. I have only run two tank fulls through so far in varying conditions and have gone from 34 to 36 mpg. Still early days tho.

Well here's my take on this whole scenario for what it worth.
These fi bikes are definately set up as lean as safetly possible from the factory purely so they can pass the emission regulations. So there is no fudge factor built in so if we increase the air getting into those engines by even a small amount we are going to notice a deteriation in performance somewhere.
I know there is a lot of twisting and turning of the air flow in the OEM intake system but think in an fi motor that's an advantage. Much better fuel and air mixing with the swirling effect of the incoming air.
Where we are getting the increased performance from after we do the air cleaner mod is by eliminating that crazy cross tube between the two cylinders and therefore injesting a much cooler air charge. By creating a cooler charge we are getting heaps more air molecules into that motor for much better combustion. That's why they use intercoolers on turbos. I think we have all noticed how much better an engine runs on a cool night as compared to a hot day, well that's the reason. Cool air= more air.
That cross tube between the cylinders is just plain nuts.
For a country like Australia that is.

[redjay]

I seem to remember the guy Caddman was barred from the site for reasons I forget.
Anyone want to elaborate ?

[BigRat]

Pics?

[glwilson]

Let's just say it was similar to a copy-right infringement.

Naming a mod after yourself when it really was not your mod (but rather someone else's mod) was not cool.

However, history has everyone calling it the Caddman mod... Understandable because everywhere you look you see it referred to as such.

Most wouldn't care what it is called... but there are a few (one) that does...

[muz]

Originally Posted by BigRat

Pics?

There ya go Easy peasy
And for those who have noticed................no I am not naked I am wearing shorts Bloody heat.......Bloody chrome.

[Todd]

The resistor is in the temp sensor feed and 'fools' the ECM into thinking the air temp is cooler than it really is, thus, increasing fuel. I did it for a while and it worked fine, then found a TFI for a good price and just went with that so I would have another adjustment to tinker with.