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Re: K n N air filter question
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CarGuru > Volvo > Re: K n N air filter question 21 April 2005 19:45:51

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Re: K n N air filter question

Guest 13 April 2005 16:56:57
 My 89 780 turbo has a foam filter inside the box, is this supposed to
be washable, and should it be oiled after washing?

Looks like the original filter, this car has over 170k miles on it,
and a broken odometer, so real mileage is not known.

Would it be feasible/adviseable­ to replace with one of the aftermarket
filters like the K&N mentioned?

I am not concerned about more noise, and performance increase would be
a plus for this car.

Just wondered if I should investigate upgrading to one of these higher
flow units or stick to the original.




On Fri, 11 Feb 2005 03:13:42 GMT, "jg" <jg@nospam.com> wrote:
Noisy air filters?, that's really getting down to it.>
"Peter K L Milnes" <Peter.K.L.Milnes@b­tinternet.com> wrote in message>news:cugu4e­$biv$1@titan.btinter­net.com...>> Haven't you guys heard, K&N do a flat filter for the airbox that is just>as>> good and what's more is quiet as well.>>
Cheers, Peter.>>
"jg" <jg@nospam.com> wrote in message>> news:TbAOd.154625$K­7.79448@news-server.­bigpond.net.au...>> > That's usually the trade off with all filters.>> >
"Tangy" <t a n g y@rogers.com> wrote in message>> > news:KLGdnc17u-hDMJ­ffRVn-qQ@rogers.com.­..>> >> I believe they allow better air flow but I've also heard that they let>> > more>> >> dirt through as well.>> >>
"PETER MITCHELL" <petemitchell@veriz­on.net> wrote in message>> >> news:aMrOd.19326$f%­5.14417@trndny03...>­> >> >I have a 1989 DL Volvo. I put in one of these and have experienced>the>> >> >engine running smoother as well as a little more pep. I had read on>> >> >this>> >> >message board people saying that the filter can hurt the engine is>this>> >> >true?>> >> >
I thought this type of filter cleans the air better and allows more>air>> >> > into the system....Does it damage the car?>> >> >

Add comment
Mike F 13 April 2005 22:00:39 permanent link ]
 vinran1@bellsouth.ne­t wrote:>
My 89 780 turbo has a foam filter inside the box, is this supposed to> be washable, and should it be oiled after washing?>
Looks like the original filter, this car has over 170k miles on it,> and a broken odometer, so real mileage is not known.>
Would it be feasible/adviseable­ to replace with one of the aftermarket> filters like the K&N mentioned?>
I am not concerned about more noise, and performance increase would be> a plus for this car.>
Just wondered if I should investigate upgrading to one of these higher> flow units or stick to the original.>

The original type filters are plenty big, there's almost no restriction
across them. By foam, are you talking about a thin piece that appears
to be glued to the lid? If so, that's just there to eliminate a whoosh
sound. If the actual element is foam, then its care depend on who makes
it and what they recommend.

--
Mike F.
Thornhill (near Toronto), Ont.

Replace tt with t (twice!) and remove parentheses to email me directly.
(But I check the newsgroup more often than this email address.)
Add comment
Guest 16 April 2005 17:42:36 permanent link ]
 The foam piece I'm talking about is in the lower half of the air box,
probably about 4 inches thick, held in by a metal frame that wedges
against the interior of the box.

Although it was fairly clean, it looks to be the original.

Wondered if I should convert it before the foam disntegrates...



On Wed, 13 Apr 2005 14:00:39 -0400, Mike F
<"mikef2316()"@alls­ttream.nett> wrote:
vinran1@bellsouth.­net wrote:>>
My 89 780 turbo has a foam filter inside the box, is this supposed to>> be washable, and should it be oiled after washing?>>
Looks like the original filter, this car has over 170k miles on it,>> and a broken odometer, so real mileage is not known.>>
Would it be feasible/adviseable­ to replace with one of the aftermarket>> filters like the K&N mentioned?>>
I am not concerned about more noise, and performance increase would be>> a plus for this car.>>
Just wondered if I should investigate upgrading to one of these higher>> flow units or stick to the original.>>
The original type filters are plenty big, there's almost no restriction>across them. By foam, are you talking about a thin piece that appears>to be glued to the lid? If so, that's just there to eliminate a whoosh>sound. If the actual element is foam, then its care depend on who makes>it and what they recommend.

Add comment
Mike F 18 April 2005 16:54:15 permanent link ]
 vinran1@bellsouth.ne­t wrote:>
The foam piece I'm talking about is in the lower half of the air box,> probably about 4 inches thick, held in by a metal frame that wedges> against the interior of the box.>
Although it was fairly clean, it looks to be the original.>
Wondered if I should convert it before the foam disntegrates...>

Actually, now that you mention it, that foam is also for sound
deadening. I'd forgotten about it as it doesn't usually give problems,
and it's below the air filter, so if it breaks up, it doesn't clog the
air mass meter screen like the piece on the lid. With the airbox lid
off, the air filter should hide this from view until removed - is it
possible there's no air filter at all in your car?

--
Mike F.
Thornhill (near Toronto), Ont.

Replace tt with t (twice!) and remove parentheses to email me directly.
(But I check the newsgroup more often than this email address.)
Add comment
Guest 20 April 2005 17:30:52 permanent link ]
 Mike, that's what it looks like.

I thought there was a large area of unused space here inside the
airbox, that's why.

Since my old 76 turbo did not have the foam addition, I thought this
one was the air filter, but apparently not.

Looks like the foam was all this had for filtration.

I better get one in there now, or convert; don't want that dirty air
getting into this thing.

Thanks for the observation!





On Mon, 18 Apr 2005 08:54:15 -0400, Mike F
<"mikef2316()"@alls­ttream.nett> wrote:
vinran1@bellsouth.­net wrote:>>
The foam piece I'm talking about is in the lower half of the air box,>> probably about 4 inches thick, held in by a metal frame that wedges>> against the interior of the box.>>
Although it was fairly clean, it looks to be the original.>>
Wondered if I should convert it before the foam disntegrates...>>
Actually, now that you mention it, that foam is also for sound>deadening. I'd forgotten about it as it doesn't usually give problems,>and it's below the air filter, so if it breaks up, it doesn't clog the>air mass meter screen like the piece on the lid. With the airbox lid>off, the air filter should hide this from view until removed - is it>possible there's no air filter at all in your car?

Add comment
Robert Dietz 21 April 2005 19:45:51 permanent link ]
 In article <o6mc61prs70sf3hkr1­s0vo12mip3g0ub3q@4ax­.com>, vinran1
@bellsouth.net says...> Mike, that's what it looks like.>
I thought there was a large area of unused space here inside the> airbox, that's why.>
Since my old 76 turbo did not have the foam addition, I thought this> one was the air filter, but apparently not.>
Looks like the foam was all this had for filtration.>
I better get one in there now, or convert; don't want that dirty air> getting into this thing.>
Thanks for the observation!

If you use a K&N filter be sure to follow the oiling instructions
exactly. Excessive oiling of the filter will insure that fine oil
particles will deposit on the hot wire/foil for the air mass meter and
cause premature failure.

Bob
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CarGuru > Volvo > Re: K n N air filter question 21 April 2005 19:45:51

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