Author Archive

Care needed!

When replacing the pinion oil seal you need to be aware that you could disturb the settings on the diff of some models.

The reason for this is that the

Clutch drag is when the car will not engage gear properly without grinding the gears, especially in reverse.

Generally, this occurs because the pressure plate is not retracting enough to clear

It is not necessary to remove the brake backplate and seal housing from the axle assembly – simply withdraw the inner cone (on which the hub mounts and the seal

What does a Limited Slip Differential do?

An LSD is installed to maximise wheel traction. These benefits are seen most readily in competition, particularly where the car is attempting to accelerate

Sometimes doubt arises as to the diff ratio currently fitted to a car, as a significant number of them have had their diff ratios changed over the years.  Reasons include

Deliberate

Note: In addition to the changes below, cars with 3 bearing engines have a much smaller crankshaft spigot bush (5/8″ against 7/8″). As far as I’m aware, the only way

Currently, the needles in the AAU3052 bearings are .004” undersized, which will result in incorrect meshing of the gears.  An alternative is to use needle roller 8G2404 in this application. 

Introduction

An overdrive is a two speed, electrically activated, supplementary gearbox which is attached to the rear of the main gearbox.  It was a popular period option which easily

The page on valve clearances in the tuning section refers BMC cams. My comments above also assumed normal roadwork, not competition.

Other profiles have the ramps in different positions at different

To ascertain what type of camshaft you are running  (or at least get a feel for it)

Camshafts can be identified by the opening and closing points of the valves, in