Kevko M302 With Hedman 78050 headers?

I've been using Ishihara-Johnson crank scrapers in my engines. There is more to scraper effectiveness than simply welding a piece of metal across the side of a pan. This has been with Milodon 8 qt. pans and TTI headers. TTI's also clear the RR pans.

http://www.crank-scrapers.com/Chrysler.html