Posted by Denny Falk on October 09, 2012 at 06:11:32 from (198.162.195.36):
I just dropped another $600 into my restored 861 diesel to rebuild the injector pump but it still idles like it has a miss. Also, it sounds like it is hammering on one cylinder. The engine has had everything rebuilt including sleeves and pistons. It is the newer one with the balancer. It is even hard to start and I have to snort the air cleaner with starting fluid. I have a 4000 4 cylinder that starts so easy even when it"s cold out (20 degrees) and sounds different when it idles. The 861 has the older pump with the advance bolted on the side. I also have another pump with the integral advance that I tried and it really makes no difference even with rebuilt injectors. I am wandering if some of these engines just idle rough or is there something wrong with it that I have overlooked. It"s annoying to listen to however it sounds and performs good under power with a plow and the black smoke comming out. I"m open to trying anything including degreing the cam if necessary. By the way, I have the timing set at 23 BTD and that"s all the way CC it will go. The diesel pump service said they would come over and take a look for me but I thought I would share my experiences here first. They really don"t work on too many antique tractors anymore, just pumps and injectors.
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