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318 heads on my 4.7?

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Old 01-19-2011 | 01:25 PM
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Default 318 heads on my 4.7?
a buddy of mine told me i could put 318 heads on my 4.7 block... is this true? would it make more power and/or run better?
 
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Old 01-19-2011 | 01:48 PM
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Seem unlikely, since the 5.2 is OHV and the 4.7 is OHC.
 
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Old 01-19-2011 | 02:52 PM
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Yeah, Ive never heard of them fitting.
 
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Old 01-19-2011 | 03:35 PM
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I think he is high. Are you back?
 
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Old 01-19-2011 | 05:15 PM
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The 318 is a push rod engine, the 4.7L is an overhead cam engine, not possible.
 
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Old 01-19-2011 | 06:22 PM
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Originally Posted by tuned93
a buddy of mine told me i could put 318 heads on my 4.7 block... is this true? would it make more power and/or run better?
Your buddy lied to you. 318 heads will fit a 360, 273 or 340 (same engine family). 4.7's will only accept 4.7 heads. You CAN, however, adapt certain ford 4.6 power parts to the 4.7 (see airram.com).
 
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Old 01-19-2011 | 09:36 PM
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Yep, I gotta agree. No way any pushrod head is going on an overhead cam engine...
 
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Old 01-20-2011 | 07:12 AM
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oh i see. good to know. guess im gonna have to go school my buddy. no, im not back yet... ill be back sometime in march though.. so soon, real soon! thanks for the humbling fellas haha
 
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Old 01-20-2011 | 11:30 AM
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All head switching accomplishes is messing up your computer. Fuel/Air ration changes.
 
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Old 01-20-2011 | 09:03 PM
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Originally Posted by pjordan4477
All head switching accomplishes is messing up your computer. Fuel/Air ration changes.
Jeez, we're rationing air now?
 
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