It generally is. This gives the atomized fuel less time to form larger
droplets or coat the walls of the intake. It also serves to cool the intake
valve which usually has less provision for cooling than the exhaust for
obvious reasons.
John T.
> Really, I thought the best place to have the injector was right behind the
> intake valve....
>
> Jon
>
>
> -----Original Message-----
> From: owner-land-speed@autox.team.net
> [mailto:owner-land-speed@autox.team.net]On Behalf Of ardunbill@webtv.net
> Sent: Saturday, May 21, 2005 9:02 AM
> To: Joel Wolcott; land-speed@autox.team.net
> Subject: Re: Fuel Injection Question
>
>
> Individual throttle bodies are always an advantage because they insure
> equal distribution of fuel to each cylinder. There is always some
> inequality of distribution in a plenum.
>
> Theoretically having the injector nozzle further away from the valve is
> an advantage because it gives more "time" for the liquid fuel to
> vaporize into a burnable gas rather than go through the chamber and out
> the exhaust unburned. In practice it probably doesn't make much
> difference, especially with mechanical fuel injection. Bill H.
|