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need 391 headers , ?

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Old 03-08-2006, 05:13 PM
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need 391 headers , ?
headers for a 391 engine. how about the two small holes in the middle of the head for . and will 390 headers work
 
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Old 03-08-2006, 05:38 PM
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390 headers will work, but you will lose the exhaust cross-over to heat the intake.
 
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Old 03-08-2006, 06:53 PM
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thanks , do you need the cross-over for the engine to run well
 
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Old 03-08-2006, 07:38 PM
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Depends how cold it is where you are.
 
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Old 08-29-2010, 02:04 PM
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Hey Mooray, did you ever try the 390 headers on your 391? I think that you would need the heat tubes.
 
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