Hey Guys,
I recently jumped on the band wagon and Installed the Napa 6637 filter everyone has been raving about

I also did the CCV mod while I was at it. For some reason my existing hoses would not allow me to place the filter behind the battery so i ended up installing a PVC 4" 22deg. elbow between the filter and the exising corrugated hose which went into the airbox orginally. This allow me to place the filter in the exact some spot as the factory airbox. On the outside radius of the PVC elbow I drilled in the orginal air cleaner vacuum thing so It looks somewhat factroy and I could keep an eye on it as to when to change the filter.

I checked everything for tightness etc and took it out for a drive and noticed that I can hear the turbo much better now but Under moderate and heavy acceleration it pulls the filter change thing in all the way like it is not getting enough air which seems odd considering the size of this filter. I never had this happen with the stock airbox and the stock paper filter installed.

Could this 6637 paper be more restictive than the stock one ? I sure would think it would breath better but the vacuum pod doesnt lie and this is with only 17psi of boost. I think it might have sucked the gauge thru the 3/4" hole at about 25psi

Any thoughts ?

Ryan L.

 

How are you watching the filter change device while driving?

 

OK, I'm going out to drill a hole in the "top" of my 6637 to fit the FilterMinder into. I'll report back as soon as I get a test run in.

Pop

 

opnekryan,
I have my wife ride under the hood where the airbox used to be and she tells me what it says

Ok, seriously - the Filter minder vaccum pod from the stock air box will show you how much vacuum it has seen and then needs to be reset by pushing the yellow button.


Please let me know what you find out as Im concerned now that Im not getting the airflow I should be. I do however have great confidence that it is at least cleaner air. Also please post a pic of where you installed the filterminder.

 

OK, here's my results:

Drilled .700 dia hole in center of filter "top". I used a rolled-up piece of cardboard inside to protect the filter from any chips, and then used a shop vac to get any particles that might have somehow remained.

Inserted the original grommet into the hole and then the FilterMinder into the grommet. Re-installed the filter.

Made bonsai run down a safe place, and VIOLA! No movement at all on the FIlterMinder. Of course, my filter has less than a thousand miles on it, so this is pretty-much what I expected.

I HAVE seen this 'Minder with the old filter box and a very well-used filter "pegged". That filter is the very first thing I changed on the truck when I first got it. I noticed the thing was pegged, re-set it, and drove three miles. It was back pegged again. So, I know that it works as it should. Even with the old filter, the engine still performed well.

Here's a look at how the thing looks now:

Pop

 

hmmmmm,
Now Im wondering what my problem could be.

Do you have a pic of the entire setup ?
Are you running any performace chips / programs etc ?
Do you have better downpipe/exhaust ?
What tyoe of boost #'s are you seeing in a wide open run ?

Thanx for doing this test for us Pop

Ryan

 

what the hecks the point of the silly little "gauge" anyhow? i took mine off when i put my filter on....its somewhere in the garage....

 

No, nothing, performance-enhancing. Just the mods listed on my signature, all of which shouldn't really increase performance very much.

I wonder if you mounted the FilterMinder in such a way that the air rushing past the sensor's port creates a venturi effect? Thus vacuum, that isn't really there in the airstream, is being seen.

Pop

 

i knew it wasn't performance enhancing, just wonderin why Ford put it on there. what its supposed to be for "Minding"

 

in my case "the point is " that when I switched to this filter setup it now seems to indicate that the engine is not getting enough air and is creating a substantial vacuum inside the intake runner. It seems to be strong enough to casue this gauge to read that I need a new filter when In fact it is brand new. The gauge never did this with the old airbox installed.

I am wondering if this was in fact a gain or a loss by adding this filter. It certainly "LOOKS" bigger and better but if the paper is thick enough it may not "FLOW" better which is 50% of what I was after.

The goal is
Cleaner air and better flow or at least the same.

Ryan

 

Pop - you have a good point
I will move it and see tonight

I dont thing it should matter though

 

The "silly little guage" isn't something that Ford would have spent money on if they didn't think it worthwhile. I'm a believer in these things after reading a bunch about them a couple of years ago. I retro-fitted both my old '89 F-250 and my wife's Honda Odyssey with the gasoline version of this unit.

Believe it or not, a somewhat dirty element filters better than a new, clean one. But that is only good to a point, and the 'Minder tells you when you have gone past that point.

As you can see from my sig, I'm a filter-obsessive kind of guy. A clean motor (inside) is a healthy motor.

Ford REALLY must think it a good thing for them to not cut this corner.

YMMV.

Pop

 

hmm. i knew a slighty used filter cleans better than a new one. i'll try to find that minder wherever it is. install it probably in thte intake pipe and see what it says in a few months. gonna be putting a lot of miles on the truck in the next 5 months... put 4K on it inthe last 2, gonna be doing another 50 a day probably, so we'll see....

i knew there had to be a reason for the Minder, just never herad a good explenation for it and no-one ever seemed to bring it up. if i had the money i'd put on a coolant filter and soem mroe doo-dads to keep the inside clean, but alas, no money for anyhitng more than oil changes and diesel (which thankfully is down to 2.13....)

 

Red,

You might want to think twice about installing the FilterMinder directly in the intake ducting, especially in light of Boydz information above. First, let's see if his results change when he moves it to somewhere else.

I'd just drill a hole in the filter "top" if there's room in your truck for it there. That's the place where there's pretty-much undisturbed, unturbulant air.

The only downside I can think of is:

You need to drill the hole each filter change. ;-)))

Pop

 

i'm tryin to think back when i swapped my filter where the minder was to begin with....OBS truck. i don't even know if i have the old airbox out in the yard anymore....i'll go look after while