When using the single-vacuum distributor, the vacuum hose runs from the vacuum port on the left side of the carburetor to the vacuum canister on the distributor. In that case, the vacuum port on the rear of the carburetor must be plugged.
For most cool season grasses and for folks living in northern climates, the best time to plant grass is in late August, early September. Depending on exactly the climate you have and the type of grass seed you're planting.
Step 1. Plant to grow grass seed in acidic soil in the spring or summer. This is the best time to keep the grass seed moist without constantly having to water it. It also helps you avoid constantly weeding the area.