Ended up going to a 520 drag chain and currently have a -1/+7 sprocket on the bike. I also have a +6 sprocket in case the +7 is too much gearing. Went with an aluminum rear sprocket and got some aluminum sprocket nuts to try and save a little weight. Didn't save a ton of weight but saved a bit.
Before I changed the sprockets a busa wanted to race the bike so a quick run was done against that bike.
http://www.youtube.com/watch?v=HhxFHQGk6-c&hd=1
Since I am pretty desperate for 8s on pump gas and I didn't save that much weight with the 520 setup, I plan on running with no rear caliper at the track this weekend. Couldn't believe how much that stuff weighed. Finger crossed between the new drag chain and sprocket combo and rider weight loss mod of around 10-15lbs, I can crack off that 8 on pump gas
Also had a local college photography student come over and take some pictures of the bike while I worked on it and took a cool one when I was done> Photo cred to Logan Baxter Photography
