99 classic

brocelliott32o
Joined: 12/26/2009
Location: irving, TX
Posts: 1

	99 classic Posted: Sat Dec 26, 2009 6:34:05 PM
	i have a 99 classic with a 500 detroit in the cold weather when i start it it idles real rough then i hear a loud knocking sound coming from the engine can anyone tell me what causes this