[DeTomaso] cooler air to carb

Sat Oct 11 19:04:37 EDT 2008

I remember something about the McLaren Can-Am cars, I think in the 1970s,
using large fans for the down force. 

IndyDave

-----Original Message-----
From: adin at frontier.net [mailto:adin at frontier.net] 
Sent: Friday, October 10, 2008 9:19 PM
To: detomaso at list.realbig.com
Subject: Re: [DeTomaso] cooler air to carb

Little know fact, Bruce died testing some decades ago.  I doubt he has
been "recently quoted" on anything.

Just the fact, ma'am . . . . sorry.

Quoting Christopher Kimball <chrisvkimball at msn.com>:

>
> Little known fact:  All McLaren automobiles have two, small fans
> mounted on their engine covers ventilating the engine compartment.
> They purchased the technology and associated patent from a
> little-known financial planner who lives in Washington State.
>
> Bruce McLaren was recently quoted as saying that if it weren't for
> that brilliant design concept, none of his cars would have ever
> finished a race...
>
>
> Chris
> #3846
>
>> Date: Fri, 10 Oct 2008 16:00:25 -0400
>> From: michael at michaelshortt.com
>> To: teampantera at yahoo.com
>> CC: RKMosier at aol.com; guson at home.se; detomaso at realbig.com
>> Subject: Re: [DeTomaso] cooler air to carb
>>
>> OK, how about we just agree that McLaren knows a thing or two about this
and
>> that on the 1996 F1 Street Car which I think was the fastest production
car
>> on the planet until last year, the fresh air is brought in on the roof
like
>> the thing that some of you guys use over the roof.
>>
>> Just like the air intake on an Formula One car, high over the drivers
head
>> in the cleanest air they can find.
>>
>> Here is a group ( 10 teams ) that spend BILLIONS of dollars on research
>> and employ the smartest car engineers in the world, all of them use
>> air coolers ( even using portable fans powered by Makita batteries when
>> pitted ) and they rarely let them idle at a stand sit except when waiting
on
>> the sessions to open and if you want to hear David Hobbs whine, let them
sit
>> there for more than 30 seconds and see what happens.
>>
>> I'm sure that if there was a better way, Flux Capacitor Nitrogen dipped,
>> streamlined forced air triangulation induced induction with big brown
dark
>> raisin smuggler nipples - they'd be doing it!
>>
>> ;-)
>>
>>
>> Michael in Savannah
>>
>>
>>
>>
>> On Fri, Oct 10, 2008 at 3:51 PM, Mad Dog Antenucci
>> <teampantera at yahoo.com>wrote:
>>
>> > Ahhhhh but we are talking a well engineered Porsche engine not a
Pantera
>> > FORD engine
>> >
>> > *"michael at michaelshortt.com" <michael at michaelshortt.com>* wrote:
>> >
>> > Same as used on many cars like my 944, a simple ducted route to
unheated
>> > air
>> > that is sucked in by the induction system only.
>> > It works or they wouldn't do it at Porsche.
>> >
>> > Michael in Savannah
>> >
>> > On Fri, Oct 10, 2008 at 2:07 PM, Tomas Gunnarsson wrote:
>> >
>> > > Richard,
>> > >
>> > > I took a stock aircleaner in rough shape and modified it. I made a
new
>> > > snout to match the original aircleaner hole that went from a
rectangular
>> > > cross section to a round cross section. I then bought flex hose as
used
>> > for
>> > > kitchen fans (i.e. it doesn't burn easily) and routed it towards the
>> > ground.
>> > > At "ground level" I simply made a short tube to clamp the hose to and
>> > bolted
>> > > the tube to the chassis. No scoop, no flaring, just a straight cut
tube
>> > end
>> > > that points to the ground. I also filled the vacuum operated port and
>> > > duplicated the snout/hose installation on the drivers side of
>> the car. My
>> > > air cleaner air temp is marginally above ambient at speed. All this
is
>> > > barely visible standing behind the car looking into the engine
>> bay and to
>> > > the unknowing appears stock.
>> > >
>> > > Tomas
>> > >
>> > > ----- Original Message -----
>> > > From:
>> >  > To:
>> > > Cc:
>> > > Sent: Friday, October 10, 2008 7:32 PM
>> > > Subject: [DeTomaso] cooler air to carb
>> > >
>> > >
>> > > > We have talked in the past about the gill area and air flow over
them
>> > and
>> > > > scoops and such. Is the feeling that area is a negative pressure
area?
>> > > What I
>> > > > am wondering is if you drew air through vents there, without scoops
>> > > would it
>> > > > be drawn into the air filter/carb at speed or would it be a
negative
>> > > > situation and actually be bad and reduce air to the carb when
>>  at spped?
>> > > In stop and
>> > > > go traffic I assume it would be cooler air than that in the engine
>> > > > compartment but could be bad a speed?
>> > > >
>> > > > I am just wondering if there is a easy (a relative term) to get air
>> > > cooler
>> > > > that the hot engine bay air into the carb without changing the
lines
>> > and
>> > > design
>> > > > of the car like scoops on the roof or gill area.
>> > > >
>> > > > This would not reduce the circulation in the engine compartment of
>> > > course.
>> > > > For that you would have to vent like the fans on the grill over the
>> > > engine as
>> > > > someone showed us pictures months back had done.
>> > > >
>> > > > Perhaps I am going over old ideas.
>> > > >
>> > > > Richard
>> > > > 3714 72 Pre L
>> > > > **************New MapQuest Local shows what's happening at your
>> > > destination.
>> > > > Dining, Movies, Events, News & more. Try it out
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>> >
>> > --
>> > Michael L. Shortt
>> > Savannah, Georgia
>> > www.michaelshortt.com
>> > michael at michaelshortt.com
>> > 912-232-9390
>> >
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>> > *Mad Dawg Antenucci
>> > Team Pantera Racing*
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>>
>>
>> --
>> Michael L. Shortt
>> Savannah, Georgia
>> www.michaelshortt.com
>> michael at michaelshortt.com
>> 912-232-9390
>>
>>
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