
| Exactly what I was thinking. Ron From: 'Mark Souders' via Chrysler 300 Club International  I would be afraid that all that loosened sludge would eventually make it to the oil pan and clog up the pickup screen.  Mark On Saturday, October 18, 2025 at 10:49:35 AM EDT, Kurt Brueske <kurt.brueske@xxxxxxxxx> wrote:  Does anyone have experience with the Valvoline “Restore and Protect” product? Sounds tantalizing, as do long-term effects, but I’d like to know if the claims are real.  My ‘64 Imperial was owned by a spinster who lived to 105 (imagine driving with gloves/hat at 40% of posted speed limit) and there was considerable sludge on top of the heads when I pulled the valve covers during a seal and painting excursion a few years ago.  I cleaned what I could but fear more exists elsewhere.   This Valvoline product sounds like it would be a good solution, perhaps there are others as well? Appreciate feedback in advance! Thanks, Kurt --  --  For archives go to http://www.forwardlook.net/300-archive/search.htm#querylang --- You received this message because you are subscribed to the Google Groups "Chrysler 300 Club International" group. To unsubscribe from this group and stop receiving emails from it, send an email to chrysler-300-club-international+unsubscribe@xxxxxxxxxxxxxxxx. To view this discussion visit https://groups.google.com/d/msgid/chrysler-300-club-international/001501dc408a%24ab33de80%24019b9b80%24%40comcast.net. | 
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