« on: Jan 16, 2017, 07:23:21 AM »
I believe the intake portion of the heads are different.
Mine is a 4 port where an '01 is 8 which includes a different intake manifold.
I hear the 8 port performs better and gets better mpg's but I have no experience in that area.
Hope this helps.
« Last Edit: Jan 16, 2017, 04:35:22 PM by Ritchie »
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'03 Step side Pre-runner, F/R 4WU 3 linked, F/R Diamond axles, F/R ARB's w/5.29's, F/R Fox 12" CO's, ShrockWorks front bumper, self made rear bumper, WARN M8000S w/ remote, 4.7 Inchworm Lefty, MC sliders that hold air & a bunch of other stuff.