400 headers @&^#

rumblefish360 said

Ummm you do understand that Chrysler never put a big block in a Duster right?
Also, the engines are assembled fully and I stalled from under the car.

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Are you talking to me? I never thought the motor was original to the car I did say where the PO had put a 400 in about 10 years back. I think the manifolds are stock to the motor.