Thread: Stick with the 1966 389? Or go with a 400/455?
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  #31  
Old 11-08-2019, 01:49 PM
Tomaso Tomaso is offline
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Join Date: Nov 2019
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Might be a silly question. But the long tube headers that are available for the 66 Bonneville 389 and 421. Fit on a 400 or 455 block if I switched over?

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