intake plenum size?

[peter bengtsson]

Is there anyone with any experince from wankel engines?
I`ve heard that bigger plenuns makes the engin peak at higher rpm`s and 
smaller at lower.

I`ve got an mazda 12a engine (1.2liters), any ideas in what rpm my engine 
would peak with a 1.2 liter plenum?
Peter



>From: "Bruce" <nacelp at bright.net>
>Reply-To: diy_efi at diy-efi.org
>To: <diy_efi at diy-efi.org>
>Subject: Re: intake plenum size?
>Date: Mon, 2 Jul 2001 21:40:54 -0400
>
>
>   More then one cylinder, and not Individual Runners, you'll have a 
>plenum.
>Carb'd engines can have a plenum.
>   Hi performance engines about follow that, thou some folks are having 
>luck
>with plenums much larger then that.
>Bruce
>
>From: "Ian Weaver" <ijweaver at adam.com.au>
>Subject: Re: intake plenum size?
> > The volume of a plenum chamber is normally the same as engine volume
> > ie: 3lt engine = 3lt chamber.
> > Plenum chambers are normally associatedwith injected engines.
> > Ian
>
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