Anyone ever used a gauge type carb synch tool like this ?
http://cgi.ebay.com/ebaymotors/_W0QQcmdZ...RKQ3aMEWAXQ3aIT

I've only ever used the mercury type. I would think the gauge needles would be jumping around too much making it hard to read.

2005 Speedmaster, Tornado Red, AI removed, Uni Pods, JCW 19" turnouts