Sierra Front Differential

Suspension Mounts

I'm not the first to mount a 4x4 front diff into a Haynes Roadster and at the speed I work at it's not surprised. It's not just a case of welding on some brackets there was a ton of calculations.

Modified Front Sierra Differential

Fitting 4x4 to a Haynes Roadster cannot be easy. The Sierra front differential needs modifying and strengthening to suit it's new position ahead of the engine.

Front Axle Assembly

For this Haynes Roadster build I'm going to use a Ford Sierra Front differential but the Cosworth sump will be thrown away. To regain some strength some new mounts will need to be designed and drawn.

Sierra 4×4 Front Driveshaft Cover

There are tons of components on this Locost build, some may seem insignificant, but somewhere down the line you will find that they clash with something much more major. E.g. this Sierra 4x4 Front Driveshaft Cover.