You appear to be lean, but about the IR temp gun.
The closer the hotter, at a bend hotter, their are many variables, like a cross over section.
I can make the same cylinder hotter or colder just on the positioning of the gun, try moving down the pipe or at the collector, it could just be the gun.
PANTERA INTERNATIONAL
A DE TOMASO CAR CLUB
Presents the De Tomaso Forums
The On-Line Meeting Place for De Tomaso Owners and Enthusiasts From Around the World
Clicking on the banner will take you to the sponsor's website.