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Replace spark plug 3.5L

46614 Views 17 Replies 11 Participants Last post by  Goldenrod
How to replace the 3 spark plug on backside on 3.5L?
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I thought they shared the same block. Huh, learn something new every day. I guess that explains why you haven't heard of any 3.5's w/lower intake manifold gasket problems.
From 04-06 the 3.5 was a modified 3.4L, then they switched to a new block for the 3.5 and 3.9 in 06-08 Classic
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