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Old Apr 14, 2009 | 04:14 PM
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OBD1 To OBD2

I bought a '95 F-250 with the engine out. The engine it came with was out of a '96 F-250, will I have any problems running this engine in this truck if I used the trucks wiring harness?
 
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Old Apr 14, 2009 | 06:12 PM
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If both are heavy duty F250s (over 8800 GVWR) then they will both be OBD-I and should interchange without any issues at all. Even if the 96 is OBD-II, the engine itself is the same as what was used in 95 and can be swapped easily, although some sensors may need to be changed to what was used in 95. Again, this won't be a problem as long as the 96 engine is from a truck over 8800 GVWR.
 
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Old Apr 15, 2009 | 10:40 AM
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What if the 96 engine is out of a truck with a GVWR of less than 8800? I am not sure what it came out of.
 
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Old Apr 15, 2009 | 12:05 PM
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As long as you just use the 96 block with your old 95 intakes and your old 95 engine harness it should work fine.
Also use your 95 PCM Computer and its wiring.
 
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Old Apr 15, 2009 | 12:16 PM
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I agree just use the 95 harness it wont mater if its obd 1 or obd 2...If it has 2 o2 sensers then its obd 2...Lew
 
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Old Apr 15, 2009 | 06:21 PM
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just use the 96 block with your old 95 intakes
I assumed that since the original engine was gone, so was the intake and accessory drive, but maybe that's what I get for assuming .....
 
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Old Apr 15, 2009 | 08:15 PM
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Yeah the intake and all the drives are gone, The engine it came with is complete with all drives and intake.
 
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Old Apr 15, 2009 | 09:13 PM
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Is the 95 wiring harness still complete?

I'm thinking the 351s from over 8800 gvwr trucks had air injection feeds to the exhaust manifolds, but I don't know that for sure. This might be another way to tell what truck it is from. If any of the sensors don't match, it would probably be just a matter of purchasing the needed sensors for a 95. Without seeing what you have I don't know for sure what, if anything, would need to be switched.
 
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