With the engine 'ticking' over, slip a .010 feeler guage between the valve and rocker - when you find the loose one the tick will go away. Ken Quoting Frank Swygert <farna@xxxxxxx>: > Nothing is going on that I can tell. This engine has always had a little tick > at low speeds, just like the mid 90s 4.0L that had a tick from the factory. > That could be a piston skirt rocking a little near the bottom of a bore, but > if it is it is only ONE bore. I believe it's a worn rocker arm pivot, but I > can't figure out exactly which one. The only thing I could do is replace them > all, and I'm not that concerned about it! I plan on replacing the head with > an HO model (this is an 88 Renix engine) later, and possibly a 99+ intake. I > can drive about 1.5 hours to the Augusta, GA pick-a-part and pick up a head > for under $40, and mine needs new oil seals, possibly guides. Not much of a > point in replacing the guides in this one when I can go get a slightly better > head! Might have to change the guides (or use oversize valves) anyway, but > will be the better head and I can continue driving until I'm ready to change > it over. That should solve the rocker noise as well. > > I had the head off a few years ago, no noticeable problems. That's when it > was supposedly rebuilt. Not sure if the guides were marginal but deemed okay, > or the shop just used those cheap hard umbrella seals. All I know is it's > using a bit of oil and it's coming from the head! Compression is still in the > 140s. > > -------------------- > Date: Tue, 11 Dec 2007 02:35:01 +0000 > From: Wrambler242@xxxxxxxxxxx > > I'd like to see what 40-50K lowbuck looks like. > how about tearing that thing apart Frank so we can take a peek at the > skirts! > [hmm, that could get you arrested I guess, peaking up skirts]. Seriously, I > know it is all good and the low bucks running that long is a good sign. I > just wonder if anything at all is going on? > > -- > Frank Swygert > Publisher, "American Motors Cars" > Magazine (AMC) > For all AMC enthusiasts > http://farna.home.att.net/AMC.html > (free download available!) > > > _______________________________________________ > Amc-list mailing list > Amc-list@xxxxxxxxxxxx > http://www.amc-list.com/mailman/listinfo/amc-list > _______________________________________________ Amc-list mailing list Amc-list@xxxxxxxxxxxx http://www.amc-list.com/mailman/listinfo/amc-list