× 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: 88 GMC 1500 Backfire (Long)
Posted to Technical Discussion Forum on 7/26/2007

What's this thing using for exhaust?

If he's got headers and duals on it, just for grins have him pull the headers.

I've only seen it a couple of times, but on less expensive headers for small blocks, the tubes have had blockages at 1 or 2 cylinders, about... Login to read more.