Quote Originally Posted by mprevo View Post
I built a spread sheet for calculating the RPM of your engine taking to account your wheel size, transmission, and gear ratio. I was trying to figure out how to attach the file so anybody can download it and I keep getting a error that say "not a valid file". Is it possible to attach an Excel Spread Sheet to a tread?
Nope. The only things you can attach are photo files and internet links. You'd have to e-mail the spreadsheet file. Can't even go via PM.