Stock 79sc 3.0 big port intake port size

[jimtweet]

Can anyone confirm what size intake port I have

1979sc 3.0 big port with 4R on intake runner

[c2kid]

looks like 38mm to me. I tried to measure one with a vernier caliper but I cant find my readers. cheers, geoff

[jimtweet]

Originally Posted by c2kid

looks like 38mm to me. I tried to measure one with a vernier caliper but I cant find my readers. cheers, geoff

ok I am reading 38mm and 39mm just trying to confirm, but thats close enough

[boyt911sc]

Originally Posted by jimtweet

Can anyone confirm what size intake port I have

1979sc 3.0 big port with 4R on intake runner

Jim,

The '78 - '83 SC's are generally classified into two categories. The large intake runners (38 mm) and small intake runners (34 mm).

Tony