[Diy_efi] WI, methanol, and corrosion

[Dave Dahlgren]

so just how much water to you need to cool 30 lb/min of air at 270 degrees down
to something reasonable?? that is approximately a 2 liter with 20 lbs of boost
and no inter cooler at 6500. A head start is a typical inter cooler will bring
it down to 130.. Seems like a lot of BTU's to me.
Dave
Adam Wade wrote:

> If you cool the intake charge, you can end up with
> MORE air due to increased density.
> 
> You get the benefit of an intercooler, plus the
> benefit of water injection.  Seems to me that having
> both would be a bit better than having just WI, but
> there's a lot of plumbing you don't have, plus the
> weight...  And of course, no pressure drop through the
> IC.  So it may end up being better than both together.
>  And it would appear on the face of it that WI is
> better than just a plain IC in terms of mass of air
> charge in the cylinder per cycle.
> 
>


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