Thanks for that link. Good information.
Curiosity got the better of me
- Thread starter widman
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For those who didn't believe, and completing my curiosity, This morning I found a piece of hose that fit snugly on the "Informer" gauge that shows 10" to 30" restriction. That then fit snugly into the rubber grommet that held the original "go/no go" gauge.
Then I took a drive to the airport and back, pushing past 5000 rpm in second and third. Traffic and nerve wouldn't allow that in 5th, as it would probably be about 170 mph.
When I got back, with a crowd of curious employees and customers looking on, I opened the hood and saw my restriction (still with the original filter).
I had anticipated at least 15" or so, but not even 10" of restriction.
Then I took a drive to the airport and back, pushing past 5000 rpm in second and third. Traffic and nerve wouldn't allow that in 5th, as it would probably be about 170 mph.
When I got back, with a crowd of curious employees and customers looking on, I opened the hood and saw my restriction (still with the original filter).
I had anticipated at least 15" or so, but not even 10" of restriction.
if you change your filter, i'll buy you a cookie.
If he holds out until it trips and takes a pic of a dirty filter, Ill buy him a bag of cookies. 
Oh, man. That's a no-brainer.
Bag of cookies > a cookie
Keep that sucker in there!
Bag of cookies > a cookie
Keep that sucker in there!
What ever happened to common sense, I dont have a ga. to tell me its dirty,,old fashion way, check it every 3 months, pull it out and hold it up to the sun, if u can see thru it faily easily, use it again, p-s I use a K/N filter now, It has been in 70k miles and is not clogged yet and mileage is the usuall. go figure.
Remember, a filter removes a higher percentage of dust when it is partially full. If there is no power loss and no fuel consumption increase, why change to a new filter that will let more dust into the engine?
The restriction can go as high as 25" without affecting anything. It is currently below 10". Even new math says leave it in.
The restriction can go as high as 25" without affecting anything. It is currently below 10". Even new math says leave it in.
Originally Posted By: widman
Remember, a filter removes a higher percentage of dust when it is partially full. If there is no power loss and no fuel consumption increase, why change to a new filter that will let more dust into the engine?
The restriction can go as high as 25" without affecting anything. It is currently below 10". Even new math says leave it in.
+1
Remember, a filter removes a higher percentage of dust when it is partially full. If there is no power loss and no fuel consumption increase, why change to a new filter that will let more dust into the engine?
The restriction can go as high as 25" without affecting anything. It is currently below 10". Even new math says leave it in.
+1
A restriction gauge would never show a filter with a (big) hole in it, so visual inspection is still a good idea, IMO.
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Originally Posted By: KilgoreBass
A restriction gauge would never show a filter with a (big) hole in it, so visual inspection is still a good idea, IMO.
How does an air filter get a big hole in it?
And, are we talking big like golf ball sized? Or, big like the tip of an ink pen?
A restriction gauge would never show a filter with a (big) hole in it, so visual inspection is still a good idea, IMO.
How does an air filter get a big hole in it?
And, are we talking big like golf ball sized? Or, big like the tip of an ink pen?
Originally Posted By: mitsuman47
Originally Posted By: KilgoreBass
A restriction gauge would never show a filter with a (big) hole in it, so visual inspection is still a good idea, IMO.
How does an air filter get a big hole in it?
And, are we talking big like golf ball sized? Or, big like the tip of an ink pen?
Rodents
Originally Posted By: KilgoreBass
A restriction gauge would never show a filter with a (big) hole in it, so visual inspection is still a good idea, IMO.
How does an air filter get a big hole in it?
And, are we talking big like golf ball sized? Or, big like the tip of an ink pen?
Rodents
Originally Posted By: widman
There is some validity in checking every year or so. Damage like this is usually caused by careless checking.
But checking would be good to catch this shrinking of the bad quality gasket material
A lot depends on the quality you buy.
Great point. This is exactly why checking the air filter is part of the recommended inspections at every oil change even if the change interval is 30k.
Also, this is a good reason to go OEM with the engine air filter. If it's a few dollars more, it's not a big deal since you only change it every 30k or so. Getting the best possible fit and having filter media that is designed to last the 30k without under or over restricting is what those few extra dollars get you.
There is some validity in checking every year or so. Damage like this is usually caused by careless checking.
But checking would be good to catch this shrinking of the bad quality gasket material
A lot depends on the quality you buy.
Great point. This is exactly why checking the air filter is part of the recommended inspections at every oil change even if the change interval is 30k.
Also, this is a good reason to go OEM with the engine air filter. If it's a few dollars more, it's not a big deal since you only change it every 30k or so. Getting the best possible fit and having filter media that is designed to last the 30k without under or over restricting is what those few extra dollars get you.
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