New tool

I had a birthday recently and my young nephew, who is very into the technologies of making things, and his dad sent me a 3D printer! Very cool. I’ve been well aware of the possibilities of 3D printing for awhile, but just as much its limitations. At the consumer...

Little green mental

I have often seen the thin green o-rings around the tops of the wbx cylinder sleeves blamed for fire ring leaks, so maybe a little reality check on that question is in order. In the ten years of my wbx rebuilding business, we tore down close to 200 wbx’s, and a lot,...
Redshiftt Control Box

Redshiftt Control Box

Time for a Redshiftt update. The 6-relay/receiver control box design is nearly final, so here’s a rendering from Solidworks: Overall size is about 9 x 5 x 1 5/8″. The base is stainless steel, while the cover is transparent red vacuum-formed polycarbonate...

The fire ring cure

Over my ten years building wbx’s commercially, it took to my 45th engine before I had one develop a fire ring leak* . Fire rings, or combustion seals, are multi-layer steel (MLS) rings that seal the cylinder sleeves to the head. These normally install dry and depend...

Syncro pneumatics

Since I drive a VW Vanagon Syncro, one of the first applications for Redshiftt I focused on is adapting positive air pressure servos to replace the feeble and expensive vacuum-powered servos the factory used to operate the diff-locks and driveshaft decoupler. This is...