[Diy_efi] keeping electronics cool

[jayjunk at laserpubs]

Keeping electronics cool under the hood - there are (at least) two 
factors here-

1) keep heat of motor and headers from roasting electronics stuff
2) cooling the electronics, because they make heat also.

If you just put the electronics in a nice insulated box, they will burn 
up, even if there isn't any heat being added by engine or headers.

I'm currently stripping a '98 Buick Regal (donor car).

The ECU was in a nice plastic box that kept engine heat away from it.
The air inlet for the engine pulled through the box.

Yes, it heats up the air into the engine a bit. But you know damn well 
that if the engine is running, there's at least <some> outside air being 
pulled across the ECU to keep it from roasting.

FWIW
Jay