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06-07-2011 09:14 PM #1
Anyone used molasses to derust??
We were talking about dipping the new 455 block we got for Dans car in a solution of molasses and water for about a week to clean out the water passages and some of the surface rust that has formed from sitting. We figured this would be a good start for the hot tanking the machine shop would do.
I've done some research on the internet and some people swear by it but Dan says he found some info that it is hard on machined surfaces. The forums I looked at didn't mention that at all. So, have any of you used it for engine blocks or other parts that have machined surfaces? How did it work overall?
Don
Welcome to CHR. I think that you need to hook up your vacuum advance. At part throttle when cruising you have less air and fuel in each cylinder, and the air-fuel mixture is not as densely packed...
MSD 8360 distributor vacuum advance