[DeTomaso] Dogbone airfilter questions

[Will Kooiman]

I have seen this discussed several times since I've been involved with
Panteras (~10 years).  Some say it is restrictive.  Others say it isn't.

We tested the dogbone during a dyno day in 2005.  The top dog made 347 HP at
the rear wheels.  We removed the dogbone air cleaner, and the power jumped
to 348 HP.  This was on a 377 stroker, dogbone, no spacer between the air
cleaner and carb, and single filters on each side.

It was also in Houston in the summer (hot).

I've seen too many people say that it is restrictive, though.  I'm guessing
that it depends on the application.

-----Original Message-----
From: detomaso-bounces at realbig.com [mailto:detomaso-bounces at realbig.com] On
Behalf Of Roland Jaeckel
Sent: Thursday, November 03, 2011 4:41 AM
To: Mikael; detomaso at realbig.com
Subject: Re: [DeTomaso] Dogbone airfilter questions

I had it on my 427 stroker.
It was restrictive even with two filterelement on both side.
It sucks hot air from the engine compartment, whitch also limits the power.

I had a big airfilter housing from a Mercedes G 400 CDI diesel in my right 
wheelhouse and an air openig to the side.
That did the trick. Quite on full throttle and no power loss when warm.

Roland

----- Original Message ----- 
From: "Mikael" <mikael_hass at mail.tele.dk>
To: <detomaso at realbig.com>
Sent: Thursday, November 03, 2011 10:09 AM
Subject: [DeTomaso] Dogbone airfilter questions


>I know this has been discussed, and on the PI Forum I searched and got a 
>lot
> of info, but no real conclusion. First, the reason I want it is not bling,
> it's so I can look out my rear window. But I don't want to restrict
> performance.
>
>
>
> Here are some of the questions that are still open for me:
>
> -Who has it, are you happy with it?
>
> -Is it restrictive, I need air for a 600HP 408 engine, using a single 
> Holley
> 850?
>
> -If the filter area is the restriction, can I just double filter it, two 
> on
> each side?
>
> -If it's the distance above the carb, how far is it from the top of the 
> vent
> tubes?
>
> -The distance over the carb could be remedied by a carb to air cleaner
> spacer?
>
>
>
> Of course if Holley has done the work properly, it won't restrict flow on
> the biggest 5 1/8 neck carb, and won't be too close to the vent tubes. 
> Have
> they?!
>
>
>
> Summit has Holley version for a whopping $300
>
> http://www.summitracing.com/parts/HLY-64280/
>
>
>
> Mikael
>
>
>
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