Charlie,
Since you mentioned it is an angle valve, I'm assuming that you have your intake mounted on the baffle floor in front of the #2 cyl. It would be pretty hard to work a cable around that.
Here's how I did it on my -390:
The hardware I used is supposed to be for the mixture control, but I didn't need it for that. I did have to put in a small hump on the cowl to accomodate this setup, though. I tried using the stock bracket, but it came too close to the FI lines for my taste.
Marc of
www.io-390.com did it another way using the stock bracket and some additional hardware.
-Scott
N653S RV-7A