2.3L to 2.5L engine swap?
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Joined: Jun 1999
Posts: 121
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From: 3 mi N of Crookston, NE
2.3L to 2.5L engine swap?
I have a 1992 Ranger 4x2 stick shift with the 2.3L engine. With high miles the engine is using some oil, has some intermittent ignition problems, and may have a very small leak in the head gasket. A nearby salvage yard has a 2.5L from a 2000 Ranger that sounds reasonable. I was wondering if I could use the 2.5L to replace my old 2.3L? I would really only want to use the block and head if possible. I have read the ignition control was moved off the engine to the computer in the 2000, but would it function correctly if I use the DIS from the 92? Do I need to use the CPS on the 2.5L? Any other possible prohibitive differences? Lots of questions I know but I am just looking for a cheap and easy way to get a better running engine and maybe gain a small increase in horsepower.
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Joined: Mar 2005
Posts: 1,533
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From: Dexter, MI
Some thoughts
When I had my '91 Ranger, I often thought of doing this. In some ways, this should be fairly straight forward. Engine mounts, cooling system, alternator, fuel system, air intake, power steering pump and clutch/transmission should be a direct swap. Where it gets complicated is with the ignition system and engine electronics. My guess is that the wiring harness, ignition system and ECM - the electronic stuff - would have to be swapped from the donor truck to yours. Those are the concerns I have about making the swap.
Hopefully other folks will respond who have investigated this swap more thoroughly or who have actually made the swap.
Good luck.
Hopefully other folks will respond who have investigated this swap more thoroughly or who have actually made the swap.
Good luck.
Last edited by michigan66; Feb 11, 2014 at 12:31 PM. Reason: added info
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