Changing the metering rods in any of the Carter Carbs. could net you whatever you wanted, even the thermoquads.
The last muscle car I restored was a 68 GTX. Probably should have kept it. My favorite one was a 70 Cuda AAR with a 68 Charger RT running a close second.
Went thru several mopar muscle cars but the Cuda and the Charger were my favorites.
The 68 GTX................
Miss Direct Connection autographed this photo for me.
The photo's were scanned from a book my car was in. Post American Muscle Cars by Nicky Wright.