post #1 of Old 04-21-2009, 09:35 PM Thread Starter
psycopanther
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1999 TJ Wrangler 
 
Join Date: May 2003
Location: TN
Posts: 147
2.5L, YJ to TJ difference?

what all do i need? i know the sensors are different, but are all the sensors different? is it just some of the connectors that make them different? ECU still the same? i got the 99 ECU and engine harness, but no sensors off the stock block. what will i be needing to do to make the YJ 2.5 work in my TJ?

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post #2 of Old 04-22-2009, 09:31 AM
Kip03TJ
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Join Date: Mar 2009
Location: Harrisburg PA
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Quote:
Originally Posted by psycopanther View Post
what all do i need? i know the sensors are different, but are all the sensors different? is it just some of the connectors that make them different? ECU still the same? i got the 99 ECU and engine harness, but no sensors off the stock block. what will i be needing to do to make the YJ 2.5 work in my TJ?
What year YJ? The only thing that I've ever heard of is the water pump on one of the years/or models is reverse rotation of all the other 2.5's. But you'll be fine going from a YJ to a TJ. It's the same engine but adds a few more sensors, nothing major changed and I think you'll be able to start it with the 99ECU and harness.

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post #3 of Old 04-22-2009, 11:49 AM Thread Starter
psycopanther
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sweet, anyone else confirm this? and what other sensors would i need? oh and it is coming from a 95 (hopefully). the transmission is from a 99 also.
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post #4 of Old 04-22-2009, 03:35 PM
TomZ
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Location: Raleigh, NC
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If you plan to use it on the street, you might want to check with your state's DMV to see if they will approve this swap. My state won't allow the installation of a motor from a vehicle that is older than the recipient vehicle.
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post #5 of Old 04-22-2009, 08:25 PM Thread Starter
psycopanther
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Join Date: May 2003
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we have no smog test or any of that stuff here. at least not yet
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