Vacuum Secondaries

Yes and if you had a decent DP on that those skinny tyres would be smoking like hell:D...thats the difference no "real" grunt.

No, the 600 vac secondaries is enough, I had to let off because the Dart started to fishtail and I didn't want to loose control...

Many people over carb...

He put a 750 on it and took it off because the 600 ran better....