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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

difference between 94 and 96 300

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Old Nov 15, 2011 | 01:21 PM
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Question difference between 94 and 96 300

i have a 94 300 engine i can rebuild to slip in the 96 f150 300 2wd is there any difference or will everything swap direct cause ones speed density and ones obdII or is it simpiler to rebuild the 96 300
 
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Old Nov 15, 2011 | 02:06 PM
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The engines are identical. There is nothing engine-specific that makes one speed density, mass air, OBD-I, OBD-II, etc. Those are all functions of the engine management system - the PCM, wiring harness, and exhaust (in the case of OBD-II because of the additional O2 sensor).
 
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Old Nov 15, 2011 | 02:56 PM
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didnt know cause if i remember right the 302 and 351 for 96 are different blocks i think something to do with crankshaft positioning sensors
 
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Old Nov 15, 2011 | 06:01 PM
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302 and 351 blocks are completely different in every year.
 
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Old Nov 15, 2011 | 06:23 PM
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Ahhh good to know so what's the year splits for the 300 block
 
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Old Nov 15, 2011 | 07:05 PM
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There is nothing different about a '96 engine block compared to an earlier one, as already stated the differences lie in the additional sensors used on the OBD-2 system... which can be transplanted onto an older motor if necessary.
 
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Old Nov 15, 2011 | 09:33 PM
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Originally Posted by IowanStraight6
Ahhh good to know so what's the year splits for the 300 block
I don't understand the question.
 
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Old Nov 15, 2011 | 10:26 PM
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Like when or did they ever change block design like the 302 and 351
 
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Old Nov 15, 2011 | 11:50 PM
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I'm not sure what different castings were made or what the changes were. That requires a lot more knowledge than I have. Maybe someone else knows, but I don't.
 
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Old Nov 16, 2011 | 08:01 AM
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I don't think the block's really changed. in the 9th generation F150's.

The only difference I can tell between 1992-1996 for the 300 I6 is the power output changed in 1992-93 motors from 145HP 265ft lbs. and 1994-96 150HP 260ft lbs. of torque. 1995? or 96 introduced OBD II engine management.

The 5.0 in 1992-93 had 185 hp 270 lb ft and the 1994-96 had 205 hp 275lb ft for manual and 195HP for automatic models.



Why are you concerned about the differences?
 
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Old Nov 16, 2011 | 08:13 AM
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Originally Posted by IowanStraight6
Like when or did they ever change block design
They didn't... where did you get this idea?
 
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Old Nov 16, 2011 | 01:30 PM
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I think he's asking if they did anything like the 351w. The later years wereabout roller ready vs the older blocks. However I don't think the 300 had any changes such as that.
 
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Old Nov 16, 2011 | 11:48 PM
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Originally Posted by Edgethis
I think he's asking if they did anything like the 351w. The later years wereabout roller ready vs the older blocks. However I don't think the 300 had any changes such as that.
What he said thanks everyone
 
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Old Nov 17, 2011 | 07:03 AM
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Originally Posted by ChristopherN
I don't think the block's really changed. in the 9th generation F150's.

The only difference I can tell between 1992-1996 for the 300 I6 is the power output changed in 1992-93 motors from 145HP 265ft lbs. and 1994-96 150HP 260ft lbs. of torque. 1995? or 96 introduced OBD II engine management.




The horsepower and torque differences on the 4.9 are not a Model Year difference-but was different because of the different factory cams. The 2.75 rear axle ratio truck received the 145hp/265ft lb factory cam. And the other rear axle ratios received the 150/260 factory cam in the 4.9.
 
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