They came out on XE/XF Falcons. I used one on my A15 and it worked a treat. might need to swap the jets and air bleed tubes in the secondary circuit, as its off a 4 Litre motor. I took the jets and tubes out of the primary side on another one of the same carbies and put them in the secondary side of mine and it was pretty close, just had to drill the new seconday another 0.05mm from memory.

was the performance ok?did it suck fuel like a woman sucks money?oops sorry sexist remark

It performed the same as the 32/36 DGV I had on there before, although alot smoother. The fuel consumption was about the same as well, still got 500+ K's out of 40 Litres as long as I wasn't on the secondaries all day.

Many thanks for the info Pendles..this forum is a wealth of knowledge..

what did you do about the fuel sensor and electric choke setup?

Electric choke just gets hooked onto ignition power, then adjusted to suit your climate. I lived in Darwin so it was only on about 2 thirds at cold. Make sure you push the throttle to the floor once before you start it cold to reset the choke. If by the fuel sensor your talking about the anti dieseling solenoid, just hook it to a power source thats active at ignition 'on' and 'start', but not ignition 'off'.

woohoo now i dont have to get a chrome choke knob for my new dash...thanks again.

For a cheap and easy performance upgrade you cant go past a down draught Weber, they lack the looks of the twins but can give very respectable performance.

Any comments on 40 DCNF 12 ?

Given that they are a ferrari carb I think that the old datto will respond well. But would there be much power difference from a single dcoe weber locally sourced.