March 4, 201313 yr I have a few questions on a 5 speed tranny out of a 2000 legacy with the EJ25. Now I heard that in 2000 this was the only year for the 4.10 gear ratio, is this correct? Another one, if that is correct if i were to put it in my 2001 legacy L sedan if I swapped the rear out as well with out messing up the speedo?
March 4, 201313 yr All outbacks, foresters, GT models, and 2.5RS have the 4.11 ratio. Outbacks also have a shorter 5th gear. The L is gonna have a 3.90 ratio, you'd have very low RPMs cruising in 5th gear because you have larger tires than an L. You would need to change the rear end to a 3.90, and it would mess up your speedo.
March 5, 201313 yr Outbacks and GTs had 4.11 final drive. Brighton, base and L models had 3.90. The speed sensor gears are calibrated to match the final drive and tire size. A 3.90 (L) final drive with outback size tires the speedometer will read slow. A 4.11 final drive from an outback with L tires will read fast. A 4.11 final drive from a GT with L tires may be slightly fast. If you swap to a 4.11 FDR trans from an outback you need to swap to the larger outback sized tire to keep the speedometer accurate. The larger tires may also require outback struts for spring perch clearance. 4.11 trans from a GT will not require the taller struts. Edited March 5, 201313 yr by Fairtax4me
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