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How To Articles
Review of the Best-Designed Classic Mini Shifter
Created: November 18, 2019
Review of the Best-Designed Classic Mini Shifter; what makes KAD worth it?
Classic Mini Automatic to Manual Gearbox Swap
Created: July 05, 2018
Here we go through the steps to convert a MkI Mini Van from an automatic gearbox to a manual gearbox. The Classic Mini Coopers with automatic transmissions have unique engine blocks - you can't just swap out the blocks from one to the other - the whole power unit must go and be replaced with a manual block and transmission.
How-To Rebuild a Classic Mini Cooper Remote Gearbox
Created: September 06, 2016
VIDEO: How-To Rebuild a Classic Mini Cooper Remote Gearbox
Classic Mini Rod Change Gearbox Rebuild - Mini Mania Video
Created: March 11, 2011
Classic Mini Gearbox Rebuild - Part 1 Gearboxes may seem complicated but they are very simple in their construction, and surprisingly easy to put together. The main issues are having the right tools to do the job.
Created: June 19, 2008
Gear Box Rebuild Written By GuessWorks Gearboxes may seem complicated but they are very simple in their construction, and surprisingly easy to put together. The main issues are having the right tools to do the job. So here's a list of what you will need. SEE VIDEO HERE Torque Wrench with a...
Classic Mini Idler gear - Setting end float
Created: December 04, 2001
A fairly crucial part of how the idler gear operates is its tolerances and running clearances. End float is a continual problem as folk often ignore it, and because many units left Rover with incorrect (usually too big) clearances.
ENGINE TRANSPLANTS - Engine to gearbox fitment
Created: November 01, 2000
Assembling the engine to gearbox (transmission) is explained and simplified in this article. Contrary to popular mis-guidance, all BBUs will fit all four-syncro gearboxes. It was only the three-syncro boxes that varied in casting dimensions causing hassles where 1275s were applied to 850/998 gearbox casings. The longer throw and bigger crank and rod assembly dimensions fouled the sculpted areas in the gearbox case,
Austin Mini Cooper Close-Ratio Conversion A+
Created: October 26, 2000
As outlined in the 'Gearbox - standard production gearbox types' article, it is entirely possible to change the common 4-syncro gearboxes to the helical close-ratio set-up as used in the Cooper S, 1275GT, 1300GT, and some early MG Metros providing the right parts can be sourced. And you don't already un-knowingly have the close-ratio kit fitted! Part numbers are detailed at the end.
Classic Mini Cooper Gearbox - Close-Ratio Conversion Pre-A+
Created: October 26, 2000
It is entirely possible to change the common 4-syncro gearboxes to the helical close-ratio set-up as used in the Cooper S, 1275GT, 1300GT, and some early MG Metros providing the right parts can be sourced.
Created: October 24, 2000
Mathematical formula for determining final drive ration when tire size and engine speed are a factor. These are for common tire types, and accurate enough for assessment - a combination of using industry standard for theoretical calculation, actually measured assortment of wheels/tires, and calculated averages! Applying the formula to a modern Mini with 12” wheels gives the following
Created: January 29, 2000
Insert the idler gear with the thrust washers it came with into the gearbox. Bolt the end casing in place with the gasket. Tighten to the spec torque. Measure the idler gear float with a feeler gauge. It should be ~0.003". If it's more than that, and it always is, insert the appropriate OVERSIZE thrust washer. These are available from Mini Mania. I forget what the oversizes are but they are stated in most parts manuals. Thanks to Johnny B I have a complete selection in stock for all my rebuild jobs :-)