LT Don wrote: > My '83 VW Quantum diesel kicked right over (Mobil-1 15-W-50) at lunch time > in +1F, after being driven two blocks from the garage at 7:30 am and then > sitting until noon. Two quick hits of the glow plugs and pulled the "cold > start" handle (have no idea what that does, but it works). >
It adds a fixed amount of timing advance at low RPM -- about 5 degrees, IIRC.