air injection hole dia on E6 heads

pudman

Member
May 31, 2008
109
0
16
tujunga,ca
I'm cleaning out the carbon buildup in the air injection ports on my 86 GT.
I've cleaned out about 2-3 inches down but seem to have come to a
wall. Isn't there a hole running the complete length of the head? And if
so what is the diameter? BTW heads are installed and in the car. Maybe
some suggestions of cleaning
 
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