Need to find vacuum hose diagram for 1987 Plymouth horizon 2-barrel carburetor?
http://www.knizefamily.net/minimopar/images/vac-carb-fed-87.jpg Here you go.
Infact there are four layers and not three.They are: 1.Horizon A or Top soil (with humus) 2.Horizon B or Sub soil(sand ,silt and clay) 3.Horizon C or Weathered rock 4.Horizon D or Bedrock. thats all!! Soil has three main horizons (A, B, and C), layers are as folllows O Horizon P Horizon A Horizon E Horizon B Horizon C Horizon D Horizon R Horizon (bedrock)