Ti Spring for '04 Fly?

Are you sure its a 2.5? I thought they were 2.75s.

Kanter, you are pretty damn close. I posted that from work and was working off my poor, aged and alzhiemer infected brain. When I got home tonight, I took the shock out and measured everything out. Turns out the shock is actually a 2.8. The marking was all dirty and scuffed out making the 8 look like a 5.

Anyway, here's what the Fox RC looks like off my 04 Fly:

11" eye to eye
Spring is 5 3/8" long
ID = 1.5"
450 x 2.8

So, if I go 500 x 2.75, I *should* be ok. The extra 50lbs should offset the .05" difference. Now the question is, I found a 450 x 2.75 Ti spring on eBay and I'm wondering if it's worth looking into. I'd really like to save a little weight, but I know I could pick up a 500lb spring for ALOT cheaper.

Ti springs save a lot of weight on the Fly since the spring is so big. Ti springs will last a lot longer too. If you have the money, I would say, go for it.