Jaguar V12 - SU Carb Conversion

[mph]

Does anyone have any experience with replacing the original Stromberg carbs with SU's. ?

Kits are readily available and anecdotal evidence says that they give a decent increase in both performance and economy.

Reason I ask is that I'm considering an S1 XJ12.

I know fuel injection may be an option but I'm not interested in going in that direction.

[mph]

Thanks that's very helpful.

I know they fit the V12 E Type without too much trouble but the under-bonnet layout must be more suited on those cars.