930/10 intake port size?

[911hutch]

Anderson's book says 930/10 has a 34mm intake port but I have read elsewhere on PP that that motor has the early large 39mm ports and accompanying large diameter CIS runners and air box. What size are they?

[pa911]

930/10's are big port same size as 78-79 3.0

[Bill Verburg]

Originally Posted by 911hutch

Anderson's book says 930/10 has a 34mm intake port but I have read elsewhere on PP that that motor has the early large 39mm ports and accompanying large diameter CIS runners and air box. What size are they?

yes, the 930/10 used the larger 39/35mm ports the smaller 34/35mm were used on the 930/6 & /17

all used the same 49/41.5mm valves