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.
When To Plant Fescue Grass. Fall is the best time to plant fescue and other cool season grass. Planting in the Fall presents the least risk of planting failure for cool season grass. Plant your cool season grass seed when the fall temperatures reach 75&deg and are dropping as winter approaches. Alternately the second choice is to plant in spring when spring temperatures have reached 60 Â° and are rising in the spring.