GTP S2 head question
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GTP S2 head question
I just got my GTP S2 heads. They are 853 castings.
I found something in the intake port that I found unusual. The threaded hole for the intake rocker is open into the intake port, creating a hole in the side of the port. Is this correct. This hole is present on all eight intake ports so I assume it is correct.
Does the rocker arm bolt seal this hole when the rocker arm is installed?
Can this hole cause a vacuum leak or cause oil consumption problems by allowing oil to get into the intake port or will the rocker arm bolt seal the hole?
Thanks.
I found something in the intake port that I found unusual. The threaded hole for the intake rocker is open into the intake port, creating a hole in the side of the port. Is this correct. This hole is present on all eight intake ports so I assume it is correct.
Does the rocker arm bolt seal this hole when the rocker arm is installed?
Can this hole cause a vacuum leak or cause oil consumption problems by allowing oil to get into the intake port or will the rocker arm bolt seal the hole?
Thanks.