2000 ford ranger HELP


Old 11-26-14, 02:08 AM
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2000 ford ranger HELP

can anyone tell me how difficult it would be to replace my 3.0 v6 with a 4.0 v6 I have been told the 4.0 will bolt right up in 3.0s place but would have to replace wiringharness because the original 3.0s harness wouldn't connect to the 4.0 engine is that the case if so how difficult would it be and is there any other changes or any thing i should be aware of before installing the 4.0 in place of the 3.0 that was originally in the truck please let me know your opinions and suggestions on this matter thanks
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Old 11-26-14, 10:47 AM
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please share your advice or opinion
Old 11-26-14, 10:52 AM
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It might not be just the wiring harness itself. Modern day engines are more complicated than those from years past. There are all kinds of sensors and other electronic stuff that controls any given engine. I'd think you'd pretty much need to transfer all that too when you change to a different engine.
Old 11-26-14, 11:07 AM
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Likely need the ecm/pcm, too. Sounds like a big headache on the way IMHO.
Old 11-26-14, 11:27 AM
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so better off going bacc with 3.0 ...... of course could break out the torch and welder and cram strait carb 302 right????:NO NO NO:

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