2005-2014 Mustangs Discussions on the latest S197 model Mustangs from Ford.

Engine Boring

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Old Jun 17, 2013 | 04:12 AM
  #1  
1969 Ford Mustang ZX-427's Avatar
1969 Ford Mustang ZX-427
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From: California
Default Engine Boring

I have a 5.0L and I would like to bore it into a 7.0L 427, Is it possible or would I need a need a bigger engine
Old Jun 17, 2013 | 04:20 AM
  #2  
1969 Ford Mustang ZX-427's Avatar
1969 Ford Mustang ZX-427
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Sorry I meant 5.8L, I just recently bought one out of a salvaged Shelby GT-500
Old Jun 17, 2013 | 07:51 AM
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S197GT07
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I'm pretty sure thats all ford did for the 2013's, so yes you can bore out the 5.4 block.
Old Jun 18, 2013 | 12:25 AM
  #4  
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red96v6
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I thought I read somewhere SVT said the 5.8L's bore is the largest possible with that block, and stroking it is not really an option.
Old Jun 18, 2013 | 07:46 PM
  #5  
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20binafd
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that'd be cool though, a 7 liter engine with dohc.
Old Jun 18, 2013 | 08:12 PM
  #6  
1969 Ford Mustang ZX-427's Avatar
1969 Ford Mustang ZX-427
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Okay then what if I sold my 5.8L for a 2012 Ford F150 6.2L and Bore it to a 7.0L
Old Jun 18, 2013 | 08:30 PM
  #7  
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Should be a able to do it.
Old Jun 19, 2013 | 07:58 PM
  #8  
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You will need to sleeve it to be at 5.8L. MMR and L&M sleeve and believe it has to do with not enough material left to be strong enough.
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