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East Central Mo. | My 4650 was low on power and it ended up being the intake manifold had cracked most of the ears where it attached to the head. It sounded and ran great, just didn't have the horsepower. It's easy to check, and J.D. said they'd seen it multiple times. The inter-cooler makes the manifold heavy and causes it to cracks the ears. It's just a thought and easy to look at for a possible problem without spending money. | |
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JD 4755 low power
