here is the EGR jig bolted to the head
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after jig is installed you must plug all open holes/ports into the engine so no metal shavings get in there
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pic of oil sensor put back in place while drilling occurs
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here is the drill bit we use ready to go + very handy to have a big ass drill!
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WD40 or other type of oil lube need to be used to cool the drill bit while drilling otherwise it'll dull quickly and drill super slow
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start on the top hole and drill all the way down being careful to keep the drill bit angle correct so as not to break it!
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here we are drilling
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here we are drilling and spraying with WD40
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keep drilling until the drill bit bottoms out on the jig
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