A tuning note on this: If you choose to run straight manifold vacuum to your vacuum advance in order to gain the additional timing advance at idle, you must select a vacuum advance control unit that pulls in all of the advance at a vacuum level 2â below (numerically less than) the manifold vacuum present at idle.
To avoid these diseases plant only healthy cloves, manage weeds in the garden, and take care not to injure garlic bulbs while working in the garden. Plant garlic in an area where no onions, chives, leeks, shallots or garlic have been planted for the past 4 years.
How to Grow Large Sweet Onions. Lots of water is the key to success in growing large onions. To grow large onion bulbs, choose the right onion seed for your area and plant it at the proper time. Along the Pacific Coast, seeds should be planted in January or February to harvest in fall or in October to harvest in spring.