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Originally posted by cujo8:
Depending on what rear-end you have in your truck the ratio choices may be limited. If you have the stock 54 rear-end in your truck, I believe the only choice you will have is a 3.55:1 ratio.

Jim
He's swapping rear ends as the T5 will only work with an open driveline.

I'd go for the 3.73s. That way won't lug down if you are in 5th running 55 and encounter any kind of load (hill).