109 rear diff now 4.71

Well, the title says it all.   I spent an exasperating day swapping the Salisbury diffs over again to drop the ratios.  Removing the bearings from the carriers to move the good bearings from the 3.54 unit to replace the rusted bearings on the 4.71 was a pig because I appear to have lost my […]

deja vu

Following the sound proofing effort and oil change/service, I took the 109 on its 265 mile trip to work.  The car was astonishingly quiet, eerily so, in fact, quieter than the 90XS.  The sound proofing really works better than I could have hoped for, leaving only road and wind noise to be significant.  However, the […]

Roverdrive Refitted

Sorry, no pictures as I didn’t have the camera handy, but it’s nothing you haven’t seen already.  The relevant pictures were on the previous overdrive thread showing the changeover of the front casings of the unit.

Stronger Overdrive Casing

I have refit the original type of front casing to my Roverdrive, having suffered two broken new style casings.   The design was changed to have three milled voids to increase oil flow through the main bearing, but I found the remaining lugs that centralise the overdrive on the transfer box too weak, the upper […]

109 April 2014 Update

A few little updates this month regarding the 109 transmission, Range Rover engine and Defender 90.