[sambo]

Slowy (or others) in doing your research here did you come across any cable operated 4 way heater taps? I'm told that a 2 way tap cannot be used on the LS engines as it blocks the flow which is necessary for the thermostat to operate properly.

Alternatively, there are plenty of VN Commodore 4 way taps around but they're vacuum operated. Anyone know what's involved in converting vacuum to mechanical?

I had a look at Vintage Air and spoke to Cool Drive here in Melbourne, no luck.