Yup, if before the turbo, don't let it go over 1300F.
If you are seeing close to or over 1300 regularly = you are over fueled. Turn your fuel back to keep that from happening. It will be hotter under a load. If you are seeing 1300F while unladen = you are VERY over fueled!!
Temps will vary based on altitude too. At sea level you might be good, then at 5000' you will be over fueled. That's when you control the temps with your right foot. Pull back a little and bring your RPMs up (drop a gear). Maintaining higher RPMs will keep the EGTs cooler. Just don't try to accelerate when you drop the gear. Maintain as high of RPM and as low as EGT as possible. When EGTs get too high - drop another gear and repeat. Don't worry about getting to the top of the hill, you'll get there. The speedo is the last gauge I look at when climbing a hill. Pyro (EGT), Tach (RPM), Coolant temp and in that order. If it is summer time I will look at engine oil temp, diff temp, and if I'm real heavy, trans temp.