Thanks Matt. [EDIT] Okay, I see now how you did the manifold.. that is a lot of additional welding compared to doing a simple split- I am amazed that you were able to keep the manifold from cracking. Great work.

I currently have a split manifold, but the added rear flange has only a 1 1/2" ID and I am having trouble believing that it will be worth putting in the truck with such a small diameter outlet. It looks like it was made from one of those exhaust splitting kits that they used have back in the day.

Last edited by Norcal Dave; 01/09/2017 8:01 AM.

~ Dave
1950 Chevrolet 3600 3/4-ton with 261 engine & T5 Transmission