take the temps closer to the head like 1" and they should be around 1100-1200 under full load. i get my egt's around 1200-1300 on the race engines. but every engine is a little different. you should never just use the egt's for tuning there just a added tool. i have had some pro-stock engines at 1400 with the plugs showing just right. the hemi headed chevy stuff will show 1100deg and the plugs are just right. i only use the egt reads for a warning of something going bad in a run so i don't have a melt down. good luck.