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Old 06-28-2011, 01:02 AM
JansonDL JansonDL is offline
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Default Different combustion chambers and ports?

The 1989 - 1994's and 1995 - 2001's have different combustion chambers and ports. I have a 94 2.3L will all the parts swap to a 97 2.3L? A buddy of mine said it wont work. Wondering if anyone has done it or knows if it can be done with out major modification. Is the exhaust ports and intake ports the same?
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1994 Ford Ranger XL Extended Cab 2.3L I4 SOHC 8V FI Engine 5-Speed Manual Transmission
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Old 06-28-2011, 05:24 AM
4b316 4b316 is offline
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Default Re: Different combustion chambers and ports?

Its a bolt on deal but the outside holes for brackets and such are different and won't swap back and forth.The earlier heads have a water jacket in the middle of the head and the newer ones don't.We have done it but why?We didn't notice any difference in power at what rpm,s you have to run(5-6000)you don't have much difference in flow rate.Now if you start spinning it 7800-8000,you need bigger valves and ports to make it work at its best.
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Old 06-28-2011, 09:35 AM
JansonDL JansonDL is offline
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Default Re: Different combustion chambers and ports?

That was my fear I need to take the engine back.
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Old 06-29-2011, 05:06 AM
4b316 4b316 is offline
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Default Re: Different combustion chambers and ports?

You need a 95+engine,either a 2.3 or better yet get a 2.5
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