My Capri used to run a 600 Holley on a Harcourt and ran 13.7 at the weald and had faultless response. It was a well sorted 3.5 and came with it on.
Real Steel called me a liar as they insisted it wouldn't work but I still have the timing slips
Economy was pants though.
I have to agree about the SUs though. So many ditch them without getting them set up right
