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87 exhaust manifold bolt hole depth jeep 4.0

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Old Feb 15, 2015 | 05:10 PM
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cptmiker's Avatar
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Default 87 exhaust manifold bolt hole depth jeep 4.0

Hello just looking for a bit of help here I have a broken bolt in the front exhaust. I am going to try to ez out it LOL. Any one know what the depth is I.E. How far in i can drill or should drill? I dont want to go into the head. I need to go far enuff for the ez out to make a good grab. and hope/pray it will come out. Been soking it with BP blaster for a few days now.

Thanks
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Old Feb 15, 2015 | 09:20 PM
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Year: 1990
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Drill about half an inch.
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Old Feb 15, 2015 | 09:22 PM
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Welcome CPT! I'm sure I drilled mine about an inch. IIRC I ended up going up a size and taping it, and filing the hole in the manifold for the larger bolt.
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Old Feb 15, 2015 | 09:24 PM
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OH! Evening Pete. Listen to curiser CPT. (And agreed, an extractor doesn't need much)
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