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fastfredracing fastfredracing is offline
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Join Date: Jul 2003
Location: Valencia Pa.
Posts: 8,864
That looks like the bottom of a 4.0. I am guessing 99 or newer. Remember when the 4.0 was considered invincible? I wonder if piston cracked first. I have seen a bunch of them come apart only to find the piston skirt laying in the pan, or jammed into a counterwieght.
I think up to these years, they were great motors.
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Old 04-10-2014, 02:03 PM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #14 (permalink)