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Will a 03 fx4 ranger 4.0 fit in a 99 4.0 without changing wiring or trans


miller time

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rockfalls IL
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3.0 duals out the back 4.0
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Any help thank you
 


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JohnnyO

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Depends if the 99 was a 4.0 OHV or 4.0 SOHC. The 03 engine will be a 4.0 SOHC. If the 99 was a 4.0 OHV then no.
 

gw33gp

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That is correct. In addition, the transmission should bolt up but the wiring and computer need to be changed. Possibly more work.
 

North Idaho 5.oh

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The PCV routing is different as well. The 01+ has it routed from the engine valley, and the 2000 and older is all routed from the valve covers.
Trust me it’s a pain I just went through all this with my early 2000 sport trac. I put a 2005 ranger engine in it and I won’t be doing that again any time again in the near future
 


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