Cold fuel

[Bruce]

With wet manifolds, might have a problem with the fuel being too warm (also
remember in carb applications you have to allow for fuel volume).   So they
can have ****TOO**** much of a good thing (vaporization).

On EFI (port), just about the opposite is true.  You can have trouble, er,
you can sometimes improve performance by aiding with fuel vaporization.

If you look at the latest GM manifolds, and heads you can see where they are
making a real effort to get as much fuel on the back of the valve head as
possible.

Honda F1 in years last ran a fuel preheater, to aid in vaporization.
Bruce





----- Original Message -----
From: "Con Torrisi" <mini at bretts.com.au>
To: <diy_efi at diy-efi.org>
Sent: Wednesday, October 17, 2001 9:12 AM
Subject: Cold fuel


> Would there be much benefit from cooling or even chilling the fuel before
it
> enters the fuel rail and gets injected into the engine?
>
> I have seen drag racers run their fuel lines through a small cooler box
full
> of ice (dry and wet). Would it help cool the air/fuel charge in the engine
> and hence delay the onset of possible detonation. What would be the
benefits
> of doing this?
>
> Cheers
>
> Con
>
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