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Old Jan 11, 2008 | 01:28 PM
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1984 f-250's Avatar
1984 f-250
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5.0 heads

Im looking at some ford racing heads with these specs
M-6049-X303 Complete Head (64cc Chamber)
M-6049-X305 Complete Head (58cc Chamber)

would it be better to get 64 cc chamber like stock on my 5.0, or use 58cc? Does the 58cc head still work with pump gas and is it worth the higher compression?
 
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Old Jan 11, 2008 | 03:05 PM
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Kemicalburns's Avatar
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go with the 58cc version
 
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Old Jan 11, 2008 | 07:45 PM
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Ditto---58cc. It'll boost the comp ratio by about a half point, from 9 to 1 to about 9.5. The stock E7's have 64 cc chambers.
 
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Old Jan 12, 2008 | 05:14 AM
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and stay away from the 2.02 valve heads....go with the 1.94
 
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Old Jan 12, 2008 | 09:29 PM
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yeah go with the 58cc, but i would look at dart pro 1 or rhs heads though.
 
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Old Jan 13, 2008 | 04:42 PM
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1984 f-250's Avatar
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The reason i have not looked at twisted wedge or afr is the price. i have seen the ford racing heads for 950 a pair. Im looking for a head that will still have some low end torque
 

Last edited by 1984 f-250; Jan 13, 2008 at 04:53 PM.
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Old Jan 13, 2008 | 07:02 PM
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thats why you should go with the smaller valves
 
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