Thread: Stick with the 1966 389? Or go with a 400/455?
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  #33  
Old 11-08-2019, 02:35 PM
Tomaso Tomaso is offline
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Join Date: Nov 2019
Posts: 86
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Thanks B-man,
Are the stock heads on my 389 round port or d port?

I know if I went aftermarket, I would get the d port heads

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Mike
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