24 Used Jeep Parts From a Junkyard
'99-up 4.0L IntakeEarlier 4.0L engines used a more squared-off, log-style intake manifold that hampered flow to the outer ports, especially the #1 and #6 cylinders. Beginning in '99 Chrysler employed this horseshoe-shaped, high-flow manifold with individual runners. It's said to be worth anywhere from 10hp to 25hp over the log-type manifold. You may need to convert to the later power steering brackets and move a few vacuum lines, but the manifold bolts to all 4.0L engines. You can also use this manifold as a way of converting from the earlier Renix-style injection. View Related Article
|
|