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Old Oct 21, 2008 | 08:21 AM
  #1  
donaldderby's Avatar
donaldderby
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From: three rivers, ma
Removing cats

Hey all one more question on a 1989 ford f250 7.5l would it hurt the engine if i removed the cats im not worried about inspection as 89's dont do emmisons here. Thanks again.
 
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Old Oct 21, 2008 | 08:01 PM
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classicfordfreak
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From: Sunfield,MI
Wouldn't hurt a thing. In fact the engine will probably breathe considerably better since the almost 20 year old cats are sure to have some junk in them!
 
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Old Oct 27, 2008 | 12:17 PM
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stngh8r
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From: Idabel, OK
Removed the cat from my '90 about 9 months ago and it made a noticeable difference. No codes or side effects as of yet.
 
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Old Oct 27, 2008 | 02:45 PM
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What difference did it make? run better, better mpg or just louder?
 
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Old Oct 27, 2008 | 02:53 PM
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Bear 45/70
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From: Union, Washington
If you decide to gut the cat, just remember that crap inside is toxic as hell. Gloves and a mask of some sort or better yet a respirator.
 
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Old Oct 27, 2008 | 04:29 PM
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stngh8r
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From: Idabel, OK
Originally Posted by jadmt
What difference did it make? run better, better mpg or just louder?
Yes to all 3.

Much louder
 
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