Thread: How much are overdrives for Defender?

I looked into them a year and a half ago. There were about 3-4 overdrives on the market for the Defender. I asked Ritters (in Melb) for a quote on one, as they were the local agent. They said, don't bother, wait awhile and get a 6 speed box from a 2008 Defender. Someone at the time mentioned there was a company in the UK working on a bell housing adaptor (or similar) to fit the 6 speed to the 300Tdi. Even if I were to do this, I'd wait a couple of years to see how the 6 speeds fare.

I've got an overdrive on the SIII and it helps with highway cruising. The 2.25 will sit on 110kph all day (on the flat) and I can still talk to my passanger (there's also a lot of sound proofing in it).

No difference to economy though, I guess pushing an aerodynamic (not) brick that bit faster would negate the advantages.

Originally Posted by abaddonxi

Can't you swap the Defender lt230 for a Discovery lt230 and get better x on the highway?

Cheers
Simon

That's what I've done - the D2 Q gears. Much more relaxed driving at highway speeds. 15% up in the gearing. Economy is a mixed result, usually better because the engine is closer to the rpm of maximum torque. Bult in hilly country, it dies just that much more quickly, its working harder.

Regards
Max P