I run about 6" from the flange. I run 1400 in the 2nd half of the
straights and have never seen any evidence of melting on my forget
pistons. I suspect that thinner cast pistons may be more susceptible
to melting. I also run 110 octane leaded and about 32 degrees of advance.
Tony Drews
At 03:23 PM 5/22/2013, toodamnfunky@comcast.net wrote:
>Fot,
>
>I know this has been brought up before but I don't know if there is
>any consensus.
>
>The question is two parts.
>
>EGT probe location and what are considered normal temps. Westach
>users guide will say the probes should be located
>
>6" from the manifold but Sam H says you start getting flakey
>readings out there so he suggests 6" from the valve.
>
>That's right about where I'm at but I am seeing 1250 F on the EGT's
>but yet my plugs are telling a richer story.
>
>It's been suggested that any less than 3" from the manifold and the
>probe is right in the flame coming out of the valve and thus
>
>reading artificially high.
>
>
>
>So, just curious as to where peo ple locate thier probes and what
>kind of EGT's they see.
>
>When I read threads from other makes I hear about people considering
>1400F as normal.
>
>It seems that if that were a true reading there would be some piston
>melting going on.
>
>
>
>Thanks again for the input,
>
>jim g
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