Originally posted by Cooker
I think what Larry is getting at is that if you add more fuel by 370's or D-Valves you are only going to increase your EGT's. You need more airflow to decrease them, either intake, exhaust, or turbo. It seems you are all set with the intake and exhaust so you probably should think about a turbo.
The PDR HX35 will decrease them some, but when you add D-Valves you will be right back where you started, EGT wise that is, your truck will spool faster, get out of the hole much better, and have better throttle response. I think w/ 370's, a #4 full forward, and D-Valves you will really need to go to a bigger turbo if you want to keep you EGT's more reasonable.