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I assume you mean upstream of the spraybars. The sealant was inside the spray bars and blocking the holes. I don't know the area that the 574 came from. The case had excess 574 in all the through bolt holes and in the pressure relief "ring" around the through bolt on top of number 7 bearing. The case also had some dried 574 in the bottom of the case. The case had 574 in the area where the pump o-rings are but don't know if any got inside the o-rings.
I'd say if the sealant gets into the through bolt holes it could get into the squirters too but that didn't seem to happen in the engine I bought.
-Andy
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72 Carrera RS replica, Spec 911 racer
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