Re: Head is off on 1931 Packard with poor compression

Posted by Stephen Templeton On 2022/7/12 10:17:07

Gary- thanks for you input. Yes, I think the slime is due to the copious amounts of WD-40, penetrating oil and Marvel Mystery oil that I poured in each spark plug hole attempting to free the valves. Most of it ended up in the manifold and came pouring out as it was removed! :)