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Unread 12-22-2001, 11:20 AM   #1
Pseudo
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Join Date: Dec 2001
Posts: 2
upgrading 2.5L to 4.0L

I have a manual 95 wrangler. The four cylinder is ruined and i'm relacing it with a 6 cylinder. Can someone please inform me if I will have to replace the engine control module in the jeep since the engine I have is an automatic. Also will I come across any other problems that I should know about. All your help will be helpful. Thx

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Unread 12-23-2001, 03:45 PM   #2
Sarge37
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2005 TJ Wrangler 
 
Join Date: Oct 2001
Location: Alabama
Posts: 165
Here is a good article about installing a 4.0 in a 2.5 Wrangler. web page
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