318 from Down Under

Hi, where in Sydney are you?

As for the carb you could try both but since you have a stock converter I would lean towards the 600 Holley. I would also send it to Greg Kuchel @ Carby Tuning Techniques to go through and mod/set up for best operation.

Have you put the Charger on the scales at WSID? My AP5 weights 3400lbs with a full tank of fuel so I doubt the VK is 3200Lbs

If you are interested I have 3200 stall converter.
Hysteric - I'm in Berowra in Sydney, where abouts are you?

I've had it on the scales and it was actually 3300lb with me in it and I'm around the 200lb mark most of the time lol

I'll get it up and running and reach out to Greg at some point - still need to run the cam in and then finish up the exhaust. Might take both carbs to him and see where we land... not adverse to a different carb altogether but trying to get that 12s mark with a small budget!

I've PMd you re: the converter :)