Air filter on webers

[zrayr]

Originally Posted by CCopra

hi

i got these trumpets with screen filters on it

drive with them for more than 6000 miles... i have no problems with it....."

YOU may not have a problem with "it", but your engine sure will. Why not go ahead and dump a can of sand down the venturies and get it over with.

Z.

[Eljaro]

Webers just breathe better with open stacks and light screens.

Considering that Cobras do not make many miles anyway and that anything that will outlive me (I am 62) is just not a consideration anymore, running Webers with screens just to keep the rocks out is plenty enough.

I'll let my heirs take care of the rebuilt.

[zrayr]

Originally Posted by Eljaro

".........Considering that Cobras do not make many miles anyway and that anything that will outlive me (I am 62) is just not a consideration anymore,..................I'll let my heirs take care of the rebuilt.

I've rebuilt countless race engines that were run without filers (Triumph (motorcycle & car), H-D, Jaguar, MG, Ford, Datsun, etc. After three or race weekends the motors were ready for a rebore. Putting a low resiriction airfilter on those same engines did not result in lower laps times & allowed the engine to last an entire season. Resulting teardown s showed negligible wear.

Your choice.

Originally Posted by Eljaro

Webers just breathe better with open stacks and light screens..........."

I've ran several weber systems with K&N filters similar to those in post # 16 above. They ran great. A properly designed air filtration system will not impact a weber system that is jetted for it. It does take exra effort to set up however, and some people take a convienent shortcut then justify it by stating, "it runs better without filters"


total hogwash.

Z.

[Jac Mac]

Eljaro, If you were in the business of rebuilding performance / race engines and got to see the damage to cyl walls/pistons/rings from running them without airfilters on a more regular basis AND then had to repair that damage , I think you would change your mindset on this. There is enough work in building good engines without creating a reason to do it all again in a short time, still there are plenty of threads on this site from people who seem to like doing everything twice or even three times!!

[Full Throttle Al]

[CCopra]

@ Full Throttle Al

very nice...

how long do you drive without filters...?

[Full Throttle Al]

The motor is a NOS SOHC 427, "Cammer", serial number 589 of about 1100 total produced. I have been driving it without air cleaners for 14 years, but only about 2500 miles total.

Keep in mind that some of the best race cars of all time, including original Cobra's, ran Weber's without air cleaners.

It is one thing to expose the engine to a dusty enviornment, but keep in mind that many cars now come with 100,000 mile air filters. Just how much dirt/dust are you trapping in 100,000 milies., I would venture to say, not that much.

Webers, carbs of any type, are not the state of the art anymore. I choose Weber's because of their history and looks and I think (my opinion) that air filters, even screens, detract from that goal.

No doubt, others will disagree with my opinion and will not hesitate to share their views on the matter!

[dallas_]

Originally Posted by Full Throttle Al

The motor is a NOS SOHC 427, "Cammer", serial number 589 of about 1100 total produced. I have been driving it without air cleaners for 14 years, but only about 2500 miles total.

No doubt, others will disagree with my opinion and will not hesitate to share their views on the matter!

In my view, When you pop the hood and show that bad boy, you can say whatever you want!

[zrayr]

Originally Posted by Full Throttle Al

".......Keep in mind that some of the best race cars of all time, including original Cobra's, ran Weber's without air cleaners..........."

race cars, Cobra & otherwise, are rebuilt after every race weekend or two. There are several reasons for doing that, not the least of which is that the clearances have increased beyond acceptable tolerances.

Are you willing to rebuild your engine after every few hundred miles?

Originally Posted by Full Throttle Al

"..........Just how much dirt/dust are you trapping in 100,000 milies., I would venture to say, not that much. .........."

have you ever changed an air filter? It doesn't sound like it.

Lay out a white tablecloth. Remove an air filter from any car that has seen a few thousand miles of normal service. Tap the filter repeatedly against the tablecloth.

Bet it isn't white anymore.

It doesn't take ounces of dirt to destroy an engine, when mixed with gas & oil. Only a few milligrams will do the job nicely.

But hey, it's your car to use & abuse however you see fit. But you're in denial if you think doing without filtration has no drawbacks.

Z.

[Bill E]

Cant seem to make the pitchers work so click on the camera button and got to the Bad ass album this air cleaner is on Michael O' Hair,s car that he is waiting Simi pashiently for me to finish.

[Bill E]

Maby this will work

[tin-man]

Originally Posted by dallas_

In my view, When you pop the hood and show that bad boy, you can say whatever you want!

Amen, I will second that. That is without a doubt a mighty fine lookin' engine. Congratulations.

tin-man

[Dimis]

Originally Posted by Bill E

Maby this will work

Winner! Winner!
Chicken dinner!

Best of both worlds.
'nough said...

[Bill E]

Not finished as of yet in that photo, it is still a bit dirty. I will post more pictures as I get farther along. It sure is a ***** to get it all lined up. The customer is a bit anxious to get it deliverd, understandably so, but when you have to wait for someone else to do their part, it puts you behind....and as we know, "CRAP ROLLS DOWN HILL". He is on this forum and may have more photos of the car.

[Caprimaniac]

Bill; that sure is impressive. I have been struggling with a new filtration & cold air intake and done several attempst before I fell down on one design. Although- by far not looking anywhere as good as this one...Will post below.

As I cannot see the details in the hood, I need to ask if you use some kind of rubber or anything to meet the rim of the air horns?

And also- do you use solid engine mounts? What's worrying me about my setup is the engine twisting the fiberglass hood....

[Caprimaniac]

Here's my solution.

Grabbing cold air from the front/ grille and scooping it into a semi- sealed box through a K & N BMW M5 panel filter.







Hopefuly, it will work- although it's kind of stoneage......

[Bill E]

The mounts are not solid, just stock Mustang. The foam that meets the horns is a closed cell. fire resistant 3/4" thick

[Caprimaniac]

The 3/4" foam will take up the engine movements.

You have some kind of box under the hood, Bill. Does the air enter through the top of hood? If so, do you know if this is a high- or a low airpressure zone? I I ask because I'm looking at the option myself.)

I have only 1/2" of softrubber. Although the engine mounts are (hard)rubber, I doubt the enigne will twist or bounce to a very large extent. Last year I got into trouble- the engine was tilted quite an amount. Reason was a broken steel engine mount. Will not happen again.

[Bill E]

Yes it is high presher, and it comes through the scoop. 2 air filters

[Jac Mac]

Caprimaniac, Im assuming you have a late 60's early 70's Capri