What else need I consider timing or carberator wise when installing headers. I have them on (Looks almost, but not quite Hooker), complimenting my Offy and Holly 4 brl, but now I turned a working car into a loud non-working car. It trys to catch, and occationaly it does, then dies. Rev, dead.

Spent all of memorial day installing and then troubleshooting, and I'm confounded by this.
I need to determine TDC, the mark seems to be off, but it was running like a champ with the offy and the stock intake

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So the only change has been the addition of the headers?

From your discription, it sounds like you have a big vacuum leak.
DD

Well, now I have a direction to go on...
So, on my way home, I got to thinking, did I hook up the vac advanced? Nope, so Here I am, hoping that it was so simple, yet its not. Still sputtering and dieing if it catches

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