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Pages: 1

Air filter box

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Posted by: turborich

When I bought my Mark VIII it had a K&N cone filter on it, My car runs good but never was quite as fast as my freinds 94 mark. I recently took the cone filter off for the first time to clean it and figured out why it wasn't as fast! The cone filter was the wrong size at the base! Instead of using an adapter plate and clamping the rubber seal over the tube the guy had bought a smaller filter and shoved it into the MAF itself! So the airway there was really restricted due to the size. I took it off and put the stock air box back in its place, I did neatly cut out a 3 x 5 inch hole for more air flow though. I did not think that I would be able to tell any difference but I can. The car runs much stronger now. It's also getting un-heated air now from in front of the car. Much better. I am not a big fan of the K&N type filters anyway, You have to oil them and hope that under hard acceleration the intake doesn't suck up some of that oil mist and get everything all messy inside like the MAF itself!

Posted by: 98LSC32V

You should have just got the adapter and kept the conical. The stock air box is a restriction, I don't care what your "butt dyno" tells you.

Posted by: MediumD

^^So I must infer that you have some real dyno graphs for a stock airbox vs a conical filter on a Mark VIII then?

Posted by: JC1994

Quote:

Originally Posted by 98LSC32V

You should have just got the adapter and kept the conical. The stock air box is a restriction, I don't care what your "butt dyno" tells you.

what a dip

smartass remark.

Posted by: 98LSC32V

Run your stock airbox than, I could care less, just trying to give good advice, if anyone knows what works and what doesn't on these cars it would be me considering I have over 150 1/4 mile passes in multiple Mark VIII's.

Posted by: turborich

Quote:

Originally Posted by 98LSC32V

You should have just got the adapter and kept the conical. The stock air box is a restriction, I don't care what your "butt dyno" tells you.

Oh well, each to their own.

Posted by: Dominus

I don't think it is the box so much as the limited filter area. That filter si the same size as my friend's '91 Chevy Cavalier. Just look at the size of the air filters on any 300 hp range V8 for comparison. LT1 Vettes, LT1 Camaro SS cars, etc etc. The size of legal pads.

Posted by: turborich

Oh and 1 more thing, with the cone type filter you are just sucking up 200 degree + hot air from the engine bay. Unless you make some sort of a closed area for fresh cool air to be captured. Someone on here made one that looks very heavy duty and I think it was double walled for insulating it. I am not a big fan of the other thin aluminum ones though.

Posted by: JC1994

I'm running my stock airbox minus the air intake silencer, {that hunk of junk thats behind the inner fender well} it's pulling cold air air through a 7 inch hole at the bottom of the lower filter box. plus a K&N panel filter. I have now ran a 12.23 at 108 mph with this setup. so I know it works well.

Posted by: JC1994

Quote:

Originally Posted by 98LSC32V

Run your stock airbox than, I could care less, just trying to give good advice, if anyone knows what works and what doesn't on these cars it would be me considering I have over 150 1/4 mile passes in multiple Mark VIII's.

I believe I know more than enough about these cars and how to make them run fast, with spending minimal cash in the process.

Posted by: turborich

Quote:

Originally Posted by JC1994

I believe I know more than enough about these cars and how to make them run fast, with spending minimal cash in the process.

that's the way to do it!

Posted by: mespock

After I did my air ride conversion and removed my air ride compressor, I removed my stock air box. Next I took an adapter for the stock MAF ran some Tubing from the Hardware store to the hole left from the air intake box and resonator and mounted a cone filter below where the air ride compressor use to be.

I should be sucking colder air here.

Posted by: 67Continental

Quote:

Originally Posted by mespock

After I did my air ride conversion and removed my air ride compressor, I removed my stock air box. Next I took an adapter for the stock MAF ran some Tubing from the Hardware store to the hole left from the air intake box and resonator and mounted a cone filter below where the air ride compressor use to be.

I should be sucking colder air here.

watch out for puddles

Posted by: mespock

Quote:

Originally Posted by 67Continental

watch out for puddles

I've thought about that... I haven't had the opportunity to see what happens in the rain yet... but when I did this I did look to see where water would could come in.

Then if no water enters from the Air Silencer that is located in an area were more moister can get in... I figured how I have the filter it should be ok.

Posted by: Dominus

Quote:

Originally Posted by mespock

Which is what just about every Thunderbird intake is like. A very very good design in my opinion.

Posted by: mespock

Thanks, I go the idea from Scott9050 or Torquemonkey back a while ago from TCCOA.com. I showed Jason (02LSE96LSC91SE84TC).... the other day and he liked what I did and felt it should work. My concern is that on real bad rainy days it may be effected by water but we'll cross that road when it comes. If I notice any problems even on a trip it only takes a screw driver to swap it to under the hood as most members have their cone filters.'

This is not a pic of mine but of the one I took the idea.

Posted by: 67Continental

Quote:

Originally Posted by mespock

i am sure it will be ok - you might need to clean it more often, though.

Posted by: Dominus

If water makes you nervous, get an AEM bypass valve and mount it near the MAF. It open up and allows air to come directly in the valve rather than the filter if it gets a massive amount of water against it.

Run a K&N filter sock on it to if you are worried. A friend of mine has an intake on his EClipse that sits about 8 inches above the road, and he runs a filter sock on it. The great thing abotu the filter sock is that aside from being water resistant (it's like SCotchguard fabric), most of the dirt that collects simply falls of of the filter sock rather than getting caught in the filter.

Posted by: mespock

Quote:

Originally Posted by Dominus

Run a K&N filter sock on it to if you are worried. A friend of mine has an intake on his EClipse that sits about 8 inches above the road, and he runs a filter sock on it. The great thing abotu the filter sock is that aside from being water resistant (it's like SCotchguard fabric), most of the dirt that collects simply falls of of the filter sock rather than getting caught in the filter.

where can I get the filter sock? do they have them at most auto parts stores.

Posted by: chickenviii

Quote:

Originally Posted by mespock

where can I get the filter sock? do they have them at most auto parts stores.

lol try autozone rich ha ha ha

Posted by: mespock

Quote:

Originally Posted by chickenviii

lol try autozone rich ha ha ha

Ya! Autogroan

... do you think they even know what an air filter is without looking it up on the computer?

Then they wouldn't know where to find it after they looked up the parts number.

I feel sorry for people who still go to autozone for more than motor oil (which they have screwed up already) or car wax...

But then again Chicken maybe you need some ricer stickers for you Gen II

I know how much you are a fan of those ricers

Looks like more tickets for the chickenman in Boscobel next year LOL

Posted by: chickenviii

Quote:

Originally Posted by mespock

But then again Chicken maybe you need some ricer stickers for you Gen II

I know how much you are a fan of those ricers

Looks like more tickets for the chickenman in Boscobel next year LOL

nope just the LVC stickers i got from you

and whats wrong with my ricer go-cart lol

but im restoring it back to stock so no ricer stickers just what it came with

Posted by: 98LSC32V

Any bends before the mass air meter is not good although you will get colder air that way.

Posted by: JC1994

Quote:

Originally Posted by mespock

Thanks, I go the idea from Scott9050 or Torquemonkey back a while ago from TCCOA.com. I showed Jason (02LSE96LSC91SE84TC).... the other day and he liked what I did and felt it should work. My concern is that on real bad rainy days it may be effected by water but we'll cross that road when it comes. If I notice any problems even on a trip it only takes a screw driver to swap it to under the hood as most members have their cone filters.'

This is not a pic of mine but of the one I took the idea.

Look's good Rich, I like...

Posted by: 02LSE96LSC91SE84TC

The gradual bend his has shouldn't be a problem, from what I understand a sharp bend could be a problem before the MAF. It did look like a good design Rich. You could put a sock on it or just a simple shield from the direction the water seems to splash up from.

Posted by: 02LSE96LSC91SE84TC

Quote:

Originally Posted by turborich

Oh and 1 more thing, with the cone type filter you are just sucking up 200 degree + hot air from the engine bay. Unless you make some sort of a closed area for fresh cool air to be captured. Someone on here made one that looks very heavy duty and I think it was double walled for insulating it. I am not a big fan of the other thin aluminum ones though.

I could easily see that the stock box would be a better choice possibly in Las Vagas. On hot days my MarkVIII was noticably slower with a unshielded filter and the box I built made all the difference to get rid of the problem.