[Fwd: [M] [M} IC Thermodynamics]- Part 3

[soren]

>    It sounds like you have this whole thing thought out very well, so I
>>hestitate to make my meager suggestion.  A friend of mine who owns an
Isuzu
>>Impulse (which has a top-mounted intercooler) has rigged up a device to
>>spray ice water onto the IC.  There is a switch mounted on the shifter
used
>>to energize the pump when he is deep into the boost; he says there is a
>>noticeable difference in power when using it (probably due to less
pinging),
>>especially going uphill.
>
>Nahhh--not less pinging, although that likely happens, due to higher
>density of cooler air in the intake manifold.


    When the knock sensor detects pinging, the ECM retards timing and lowers
boost, resulting in a noticeable loss of power (at least in Isuzu/Geo
vehicles).

Soren