Engine swap compatibility-4.0 SOHC
#1
Engine swap compatibility-4.0 SOHC
So i just bought a 2002 FX4 twin stick with a siezed 4.0 SOHC. My plans are to just put a new engine in it. I found a 2003 4.0 from a ranger with 14,600 miles on it for $850. Just wondering if the 2003 engine will hook right up or if electrical and other connections are different. Any input would be appreciated. Thanks
#3
So i'm gonna guess the EGR system will just bolt on, and isn't like on fox mustangs where the egr ports are threaded holes in the back of the heads.
If i just leave the EGR system off will the CEL come on or will the truck even run right? I'm gonna guess it won't considering the computer is programmed to operatre with the EGR system.
If i just leave the EGR system off will the CEL come on or will the truck even run right? I'm gonna guess it won't considering the computer is programmed to operatre with the EGR system.
#5
#6
It should. There is a plug in place of the EGR tube fitting in the 2003 exhaust manifold and a removable blockoff plate for the EGR valve.
You'll get different opinions on that. Some say the improvement came with the 2003 models, others say 2004. I never had any cam chain problems with my 2003 4.0.
You'll get different opinions on that. Some say the improvement came with the 2003 models, others say 2004. I never had any cam chain problems with my 2003 4.0.
#8
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