3rd Gen / L98 Engine Tech 1982 - 1992 Engine Related

EGR Intake, what are the holes on the head side for?

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Old Jun 24, 2002 | 11:59 PM
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Odd_Ball_Racing's Avatar
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From: Hanford, Ca. 93230 (Fresno area)
Question EGR Intake, what are the holes on the head side for?

I think I might of traced my oil burning problem to my factory aluminum intake (4bbl). I have heard that the EGR causes the intake to wrap and pull away from the head. This would cause oil to be sucked from the lifter valley. I have yet to pull the intake to check, is there anyway to tell if that is my problem? Oilly plugs on 6 and 8?


Anyway, what are the two holes for underneath the EGR on the head side. I wondered that when I was putting the motor together. The holes appear to just run into the gasket on the head surface. What are they for? Thanks guys.

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