Yeah
I thought that it was more like the same or similar volume as the capacity of the motor for the PLENUM (ie after the throttle body before each port runner). As for the airbox (ie just after the filter) I just would have thought the bigger the better.
RG
----------
From: Zac Campbell
Reply To: [EMAIL PROTECTED]
Sent: Wednesday, June 19, 2002 14:41 PM
To: [EMAIL PROTECTED]
Subject: Re: AirBoxes!!!!! !
Are you sure you guys aren't getting mixed up between an airbox that would
be before the throttle plate and one that is after the throttle (say a
plenum on a single throttle body eFI setup?). There could be big
differences!
zac
----- Original Message -----
From: "E Smith" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Wednesday, June 19, 2002 1:57 PM
Subject: RE: AirBoxes!!!!! !
> Mark,
> This is about 8.9 litres or about 60% of the supposed ideal. The 2.5 times
> is for ideal conditions I do not know at what point you start to get
> significant drops in performance. I would guess it would still be ok.
Check
> the pressure drop in the plenum at wide open throttle with a manometer.
>
> Cheers
> Feral Errol
> [EMAIL PROTECTED]
> http://www.datrats.com.au/
>
> -----Original Message-----
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED]]On Behalf Of mark krawczuk
> Sent: Wednesday, 19 June 2002 12:07 PM
> To: [EMAIL PROTECTED]
> Subject: Re: AirBoxes!!!!! !
>
> hi, yeah i was thinking too much about efi setup with the air box
> between the throttle bodys and manifold, of course it wouldnt really
matter
> what size air box you have on the other side..........
> my brothers air box is 16x7x5 inches which if i remember is a bit bigger
> than 360 ci.
> do u think this size is okay?
>
> mark k
> ----- Original Message -----
> From: "E Smith" <[EMAIL PROTECTED]>
> To: <[EMAIL PROTECTED]>
> Sent: Wednesday, June 19, 2002 6:29 AM
> Subject: RE: AirBoxes!!!!! !
>
>
> > Mark,
> > I believe that would make the 5.9 litre Chryser airbox about 14.75
litres.
> > If you check out the airboxes on group A V8's I think they would have no
> > problem matching that capacity. This would be about one and a half
plastic
> > buckets in volume. Air speed is not a problem in an air box. The main
> > function in plenum design is to remove restrictions to air flow and
ensure
> > that the air does not have to make sudden changes of direction. Air
speed
> > becomes important when fuel is entering the system near the injectors or
> in
> > the choke area of a carburettor. The air speed needs to be high and flow
> > laminar, so the mixing of fuel is optimised and maintained without fuel
> > dropout and puddling.
> >
> > Cheers
> > Feral Errol
> > [EMAIL PROTECTED]
> > http://www.datrats.com.au/
> >
> > -----Original Message-----
> > From: [EMAIL PROTECTED]
> > [mailto:[EMAIL PROTECTED]]On Behalf Of mark krawczuk
> > Sent: Tuesday, 18 June 2002 10:48 PM
> > To: [EMAIL PROTECTED]
> > Subject: Re: AirBoxes!!!!! !
> >
> > hi, my brother is doing a efi setup ona 360 chrysler, and the guy
from
> > CAPA and MOTEC both said to have a air box about the size of cubic
inches
> > of the engine.
> > to have a box 2.5 times the engine volume would have to absolutely
> > humungus, on this type of engine.. i totally disagree that haviing a
> box
> > cannot be oversize ( e.g "the air intake system cannot be oversized"
> > (pp120).). what about
> >
> >
> >
> >
>
>
>
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