If this hasn't been modified, then check your grounds, you should have a ground strap running from the right head to the firewall. If you don't and it's an automatic it will burn up your trans cable. But check your points for dwell and plug wires. Also check for a vacuum leak, if it's a rochester 4 barrel it's common for them to have an internal vacuum leak.
backyard grease monky
November, 29, 2011 AT 4:52 PM
Or its a distributor problem. You might be a tooth off or you timing is bad