New Zealand Datsun Club

Hey guys i have a 1980 Datsun Sunny with a A12, the A12 has got twin side drafts on them, Dellortos DHLA but im have problems with them, got no throttle response at low revs it pretty much overflows with fuel and tries to kill itself, untill about 3-4k revs it picks up and goes. I've had the dellortos checked and they are set up for an a12, right sized fuel jets, venturies etc what else can i do to get it running amazingly?

when it "tries to kill itself, untill about 3-4k revs" what sounds is i making while the revs are picking up?

fuel pressure should be 2.5 -3 psi .Do you have a regulator.

You could always let me have a look at them for you