I broke the ear on my custom carb and had to go back to my 750 Demon . I added 10 jets by the 4th pass . Ended up 90 square . Went 6.60 @106 and has more left . we'll find the rest of it on the chassis dyno in a week or so .
Here are the header and crossmember mods .
Crossmember and header mods.
