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John___Angela's avatar
John___Angela
Explorer
Jun 14, 2015

Exhaust manifold crack on ISC350 and effect on power.

Hello all. I have a cracked exhaust manifold on my ISC350 (2003). Replacing it next month. Curious about the effect on * power, * turbo boost, * exhaust brake effect. All of which I ha...
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wolfe10's avatar
wolfe10
Explorer
Jun 14, 2015
John,

Suggest you use some PBlaster or other penetrating oil a couple of days before taking it in for work. Will make removing the manifold go a lot easier. Dry and oil left before starting the engine.

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