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'80-'83 US are small intake port heads
'78-'83 RoW are large intake port heads
'78-'79 US are large intake port heads
You would have to open up the ports on your heads or switch to early US or any RoW head to use RoW CIS
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'80 RoW 911 SC non-sunroof coupe in Guards Red
It's not a Carrera.... It's a Super Carrera!
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