Maybe you just need the right adaptor. Try this. It says for weber carbs but it also has a bolt pattern for Holley 2 bbl.

http://www.shop.cliffordperformance.net/2-Barrel-Adaptor-08-1013A.htm

Last edited by tlowe #1716; 07/07/15 12:37 AM.

Inliner Member 1716
65 Chevelle Wagon and 41 Hudson Pickup
Information and parts www.12bolt.com