The rubber gasket fits in a groove in the bottom of the valve cover on most of these. Tighten it down firmly as you would a part with an o-ring. NO SILICONE! Do the same with a 196, but don't overtighten the two hold-down bolts. No silicone or any sealant on a rubber gasket, just clean surfaces. Use silicone on a cork gasket. It seems every couple years I make the same mistake when I change the oil on my bike. It has a flat cover with an odd shaped o-ring in a groove. It seals against a flat surface. I didn't change the oil before going to Korea, and just got it running again about three weeks ago (had to do some major work that was due about the time I left for Korea -- didn't get any better while sitting!). So I changed the oil. I looked at the cover and decided I should have put a thin coat of sealant on it. Used a non hardening sealant (Permatex #2) in a VERY thin coat. The thing leaked as soon as the engine cranked up! Of course THEN I remembered I'd done this same thing a couple years ago!! Had to remove cover, clean, and put back with NO SEALANT. No leaks. That's how I put my old 196 valve cover on, and the 4.0L. No leaks in either. On October 31, 2005 Tom Jennings wrote: > > > > I knew the valve covers were a problem. The one on my 86 Eagle > > leaks and I just haven't had the time to fix it. I had heard about > > the replacement covers before and had been giving some thought to > > getting one for my 86. I looked at the udpgrade procedure at that > > link. The 84 doesn't have that much stuff in the way (but my 86 > > sure does). > > I have an 83 engine in my 70 Hornet, and bought a cast aluminum cover > for it, came with a thick rubber gasket. I tapped the holes, got the > surfaces spotless, alcohol wipe, glued the gasket down with thin film > of silicone, cured overnight, thin film on the valve cover, attached > with light, non-deforming torque, and let cure overnight before > starting the engine. > > Still leaks. At least it won't catch on fire :-) > > Just FYI, I did the same technique to my Torqueflite A904 Mopar steel > deep-sump pan, and it is absolutely oil-tight months later. ============================================================= Posted by wixList Archiver -- http://www.amxfiles.com/wixlist