Headers vs 340 manifolds

Lol, 33IMP is right. Must have tapped the disagree button when scrolling by.

For the record, I'm a header guy; I have never had manifolds on my car. I was starting from scratch with nothing, so I wasn't about to go looking for manifolds when I could go looking for headers instead.
In the late 90s I started with the same cheap headers you have on your truck, then I went to the shorties that were tested in the magazine article that was posted earlier in this thread, and for the last 10 years or so I've been running coated Doug's D453 headers.

Haha no worries.

I have a set of D453's I bought last November for my Duster with an AutoZone discount as I knew prices were going to go up from inflation. Still haven't installed them yet but I'm excited to see how the performance will improve, the Duster currently has Hedman Tight Tubes going into 2 1/4" downpipes that snake down then up and over the steering linkage. Not very ideal and considering the 360 in that car has heavily ported Edelbrock heads and a custom-grind Racer Brown hyd roller cam (5.9L Mag short block, cam specs shown below) I think it will pick up quite a bit with a proper set of long tubes.

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