× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
Re: David Brown 990A retard timing
Posted to HD/Fleet Forum on 2/27/2019 2 Replies

Very welcome, like an old school distributor, with rotation, retards ignition, against rotation, advances ignition. Login to read more.

2 Replies Received (View Replies)