head run-down
I know certain year XJ's had head problems. Can someone give a short run-down as to what years were good and which were bad. Also, I believe '95 was the best flowing head by a little bit. I need a new head and I want to get best one as several different years are available at the yard I went to.
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If I remember correctly 91-95 had the H.O head. Cast #7120 Have the highest intake and exhaust port airflow. Google Cherokee H.O. head flow chart a lot of good info pops up.
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Originally Posted by colt44
(Post 2798151)
I know certain year XJ's had head problems. Can someone give a short run-down as to what years were good and which were bad. Also, I believe '95 was the best flowing head by a little bit. I need a new head and I want to get best one as several different years are available at the yard I went to.
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Originally Posted by timamybrown
(Post 2798164)
If I remember correctly 91-96 had the H.O head.
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91-99 are high outputs. Just that 7120 were for 91-95 and 0630 came in 96-99 XJ's
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Yep 7120 and 0630 are pretty much the same.
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Except 0630s had holes for dowels but basically the same heads
Edit... I also think 7120 heads had engine temperature sensors in the rear of the head and 0630's don't have them, they are now located on the thermostat housings instead. |
I'm pretty sure your right about the temp sensor. Mine has in the thermostat housing so im guessing someone put a head on mine or put a different motor in it.
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I wish I had a Rambler. This is for my '74 Gremlin with 2 cylinder blocks welded together to make a V-12.
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