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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

88 7.5 L EFI no emissons

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Old Jul 31, 2011 | 01:16 PM
  #16  
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Diesel_Brad
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From: Gilbert, PA
Originally Posted by jonathanhance
thank you. will check for air leaks .replace stock heads with a set of dove heads intake and heads match but i had to modified gaskets a little (may be leaking there) will check there
There you go.Thats your problem!! A EFI manifold will NOT work with Carb heads. Either change to a carb manifold or go back to EFI heads
 
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Old Jul 31, 2011 | 08:42 PM
  #17  
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thank you!!! i should have said that first. something about the heads
 
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