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460 Differences

   
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Old 02-25-2004, 11:38 AM
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Question 460 Differences
Is there any difference between a 460 block made before 87 and one made after 87 beside that the ones after 87 are EFI?
 
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Old 02-25-2004, 03:55 PM
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The main differences is in the heads the intake prorts where changed to accmodate efi.
 
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Old 02-26-2004, 01:59 AM
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Somewhere in the later ones the very end bolt holes on each side of the rear main seal, for the oil pan became 1/4" from 3/8" in the older blocks. The timing cover got the same treatment.
 
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Big Block V8 - 385 Series (6.1/370, 7.0/429, 7.5/460)
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