89 jeep yj

jjones5

New member
hello im new to the jeeps i bought me a 89 yj with a 2.5 4 cylinder but not that much power i plan on putting a lift and tires but want to make sure i have enough power my q is can i swap out my 2.5 for the 4.2 with out changing any thing else by the way it has a 5 speed manual trany
 

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this question has been answered well over a 100 times read some of the posts in the forums first than come back with questions a few of them were posted in the last week or so
 
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