Drilling and tapping Intercooler

9724VF350

Tractor Guy
Anyone know if I can drill and tap 1/8" NPT in the flat top surface of this cooler to put a air bleed in it without hitting the core?

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Only one way to find out �� The frozen boost that I have used in the past were elevated from the core.
 
I have one that looks alot like that one, and it had an 1/8" air bleed in the end cap where the water goes into the core.
 
Should be about 3/4" space from top to core jjst go slow and be easy. . But don't go middle there's a baffle that splits it.. for water flow. Found that one out the hard way and had to fill it up with weld and plug it.. doh!
 
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