EGT gauge (was: Re: Ignition retard knock sensor.)

[Stegbauer, Michael]

> What about on a cast manifold?  Can I just drill and tap it?  Some of the
> probes I've seen are a clamp on type that won't work for my manifold.  
> I'll need a screw in type of some sort.  Is there any risk the probe (or
> a brass plug) cracking the manifold from the hole?


It probably depends on the manifold, but here are some directions...
http://www.myzero.com/gauges/egt.html