Crewchief, are you saying that the bolt holes in the ring gear itself is 3/8?
If so, how come Yukon, motive gear, and other companies only offer 1 type of gears in different ratios?
Are you sure those aren't shouldered bolts that go in there?
up for sale is a holley 8007 - 390CFM 4bbl Carb, i'm asking $120 shipped to your door (or wherever you want).
electric choke
quick change vac pod (all springs and original style cover included)
i rebuilt it 6 months ago
shipping from 90042