[Tigers] Air cleaner & horsepower

Thu Jul 5 14:13:02 MDT 2012

I find the  air cleaner not an  interesting topic.  I paid $600 for mine.  I
paid $4000  to buy  my tiger.  The stock air cleaner provides enough clean air
to satisfy  my 360 cfm Holley 4 barrel on my 260.  I run nothing but paper
filters.         gary Moore,    B9472283   tac 311.

--- On Thu, 7/5/12, michael at michaelshortt.com <michaelsavga at gmail.com> wrote:

From: michael at michaelshortt.com <michaelsavga at gmail.com>
Subject: Re: [Tigers] Air cleaner & horsepower
To: "Jay Laifman" <jay.laifman at gmail.com>
Cc: "Tiger's Den" <tigers at autox.team.net>
Date: Thursday, July 5, 2012, 6:56 PM

IMHO, given that 1) zero surface area and 2) zero restriction, it is a
benchmark for THAT engine at THAT time with THOSE Existing jets and
adjustments.

Once you start changing things, everything changes, which is why,
smart crew chiefs, drivers and enthusiasts, eventually learn to make
changes, one item at a time
to effectively find the best combination available.

It is a tedious process to be sure.

But running no air filter at all, well that makes the owner a bit of
an idiot, IMHO

Michael

On Thu, Jul 5, 2012 at 2:20 PM, Jay Laifman <jay.laifman at gmail.com> wrote:
> Sorry I missed this - or didn't realize it was the same thing.  But, this
> raises a question.  People are comparing dyno runs between different types
> of air filters.  You mentioned comparing with and without an air filter.
> Is no air filter considered the benchmark, best figure?  I thought in some
> cases, too much air can make the engine run worse, that is, if
> corresponding jet changes are not made.  So to really make a comparison,
> does one really have to not only swap filters and no filter, but try to jet
> each one to get max performance, and then compare?
>
> Or are the guys who are running the "better" 4" K&N etc., if they ran
> without an aircleaner, would they see more or less of a drop in HP?
>
>
>
> On Tue, Jul 3, 2012 at 4:01 PM, Teepen, Jere <jteepen at usatoday.com> wrote:
>
>> I have a similar set up in my Tiger.  One day I needed an air filter and
>> housing rather suddenly (another story...) and bought a cheap 9" from
>> Kragen
>> Auto Parts.  Then, while looking through the Summit catalog, I saw the K&N
>> filter top.  I bead blasted the cheap chrome base and painted it black to
>> match the K&N top.  Result?  With the paper filter element that came with
>> the
>> filter housing and the K&N top there was only a 5 horsepower penalty with
>> and
>> without the air filter on the chassis dyno.
>>
>> -----Original Message-----
>> From: Sandy Ganz [mailto:sganz at pacbell.net]
>> Sent: Tuesday, July 03, 2012 3:48 PM
>> To: Teepen, Jere; Smit, Theo; Allan Ballard; Tiger's Den
>> Subject: Re: [Tigers] Air cleaner & horsepower
>>
>> My tiger has a small round K&N with the K&N filter-lid or what ever they
>> call
>> it. It seems to have a lot of open surface area so I'm sure it helps but
>> likely
>> not a big deal on the old tired stock 260 that's in the car. It looks like
>> it
>> has some rubbing issues but seems to fit under the hood with a bit of
>> finessing.
>> This is on a F4B with a Holley 600.
>>
>> Sandy
>>
>>
>>
>> ----- Original Message ----
>> From: "Teepen, Jere" <jteepen at usatoday.com>
>> To: "Smit, Theo" <Theo.Smit at dynastream.com>; Allan Ballard
>> <aballard at ix.netcom.com>; Tiger's Den <tigers at autox.team.net>
>> Sent: Tue, July 3, 2012 3:41:35 PM
>> Subject: Re: [Tigers] Air cleaner & horsepower
>>
>> Me again.
>>
>> The results of Tim Ronak's use of the device mentioned below (Stub Stack?)
>> was
>> virtually no change IIRC (questionable).
>>
>> Tim was still on this e-mail list at one time.  Are you still there?  Can
>> you
>> confirm/dispute my recollection?
>>
>> Jere
>> _______________________________________________
>>
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--

Michael L. Shortt
Savannah, Georgia
www.michaelshortt.com
michael at michaelshortt.com
912-232-9390

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