[DeTomaso] Dog Bone (B & M) air cleaner

Asa Jay Laughton asajay at asajay.com
Tue Mar 10 09:59:10 EDT 2009


If not already done so.... Space city needs to create a web page on 
this, that way all we have to do is provide a link to the data.

Personally.... I think they look ugly anyway, but that's just -me-.
:)

Asa Jay

Asa Jay Laughton, MSgt, USAFR, Retired

& Shelley Marie
Spokane, WA

1971 Mach I Mustang  [ASA JAY]
1973 Pantera L 5533  [ASASCAT]
    
******************************     
http://www.asajay.com
http://www.351c.info
  



Kirby Schrader wrote:
> I will now butt in here and reinforce Will's statement about this dogbone
> air filter song and dance/dog and pony show.
>
> As he said, this subject comes up time and time again here on the forum,
> gets beat to death, and nobody wants to remember the actual, numbers are
> there, why aren't we paying attention to them, dyno testing that Space City
> Panteras did with the dogbone?
>
> John Taphorn has reported on this many times. The 'dogbone' did not hurt at
> all. Sharp turn included.
>
> Yes, I'm feeling feisty this morning. Let's ignore the facts and keep
> talking!
> Sigh...
>
> Kirby
>
>
>
> On Tue, Mar 10, 2009 at 8:14 AM, <adin at frontier.net> wrote:
>
>   
>> Jack, and all . . .
>>
>> Yes, the flow is not the filtration, but the sharp turn the air must
>> make.  Haven't we seen folks double up the filters (both sides 2x
>> elements)???
>>
>> As far as airflow is concerned: one cannot have tooo much.  this has
>> been demonstrated with the supercharged toyota (have you cut your
>> airbox, Jack?), the Kirkham w/ webers and now the 460 powered truck
>> (with 5" of vacuum it is a little sensitive to tuning).
>>
>> Personally, I'd let the motor breathe rather than have a cool engine
>> cover - just my OPINION.
>>
>> thanks for the note.
>>
>> David
>>
>>
>> Quoting JDeRyke at aol.com:
>>
>>     
>>> In a message dated 3/9/09 5:33:25 PM, adin at frontier.net writes:
>>>
>>>       
>>>> Seems there was some question about the flow with these puppies . . .
>>>>
>>>>         
>>> Thats a question that's come up repeatedly in the last 10-12 years,
>>>       
>> David,
>>     
>>> and the flow restriction is not the reuseable K & N filters on the ends.
>>>       
>> It
>>     
>>> seems to be the 90 degree turn from the plenum between the two side
>>> filters to the
>>> carb throat(s). If the inside of of the plenum is too close to the carb
>>>       
>> top,
>>     
>>> the turn is too sharp and airflow will be restricted. Some are and some
>>> aren't, according to their owners, and a lot of the flow restriction
>>>  will only occur
>>> at higher rpms. I've seen at least one type that needed a 3/4" high
>>>       
>> spacer to
>>     
>>> allow 5500 rpms in one Pantera. If you drive sedately, any dogbone will
>>>       
>> work
>>     
>>> just fine.   Besides this possibility, the B&M at least is a heavy
>>> cast-aluminum unit weighing over 8 lbs, with the weight about as
>>> high-mounted as
>>> possible. For comparison, a 14" Moroso air cleaner with
>>> sheet-aluminum top & bottoms
>>> weighs 1-1/2 lbs and has more filter area.... if you can make it fit.
>>>       
>> FWIW- J
>>     
>>> DeRyke
>>>
>>>
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>>
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