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1987 - 1996 F150 & Larger F-Series Trucks 1987 - 1996 Ford F-150, F-250, F-350 and larger pickups - including the 1997 heavy-duty F250/F350+ trucks

Speed Density ?

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Old Jun 14, 2011 | 02:28 AM
  #31  
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So if my block needs boring and the mods above already sitting in my shop waiting to be installed how much can I bore it without upsetting the sd and the engine pulling air to compensate for more displacement
 
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Old Jun 14, 2011 | 07:21 AM
  #32  
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Overbore has no effect on the EFI system, but don't bore any more than necessary so the block remains as robust as possible.
 
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Old Jun 14, 2011 | 07:43 AM
  #33  
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Ok and is there a company that makes a plug and play maf kit for my truck? Can I rob one out of a 95 truck and it be plug and play no splicing? I have an aod trans so i dont think it is computer controlled. Thinking if no kits available i can rob the system off of a 95.
 
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Old Jun 14, 2011 | 09:42 AM
  #34  
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Ford used to make a kit that was plug and play(I have on on my truck) but it is long been discontinued.. you may find one used if you search around though. The parts from another truck will not be plug and play, some rewiring will be necessary.
 
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Old Jun 15, 2011 | 04:57 AM
  #35  
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Will compression ratio affect the speed density? I think I read the gt40p heads have a
58cc combustion chamber and that will put me real close to 9.1:1 was going to try a reach a 10:1 if it did not disturb the computer.
 
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