From: hls on

"twisted" <thenitedude(a)yahoo.com> wrote in message
news:02cfe4a0-9725-494b-a061-adce1394441c(a)19g2000yql.googlegroups.com...
On Feb 7, 9:12 am, "hls" <h...(a)nospam.nix> wrote:

> A 220 degree switch is okay. That is roughly what your engine should run
> at.

220 is to hot for "an old 350".
*******
Depends, I guess. How old is old?
I had cars back in the 60's that ran that hot, normally.