Quote:
Originally Posted by Ronnieroadster
There's one big flaw with the Kirby system that rears its ugly head at times. The oil hose that runs from the modified pump cover to the side wall of the oil pan has a tendency to come off. And if one is not careful the oil hose can come in contact with the rotating crank assembly. I prefer the 95 percent system its darn near fool proof.
Ronniroadster
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There is even a bigger flaw with the "95" % system and that is it does not filter the rear main. I've got a friend who's engine had that system. Something went wrong and the rear main got completely wiped out and the engine was junk. No. 1 and 2 main were completely OK. His next engine got the Motor City system. I've built a number of engines with the MC system without a problem(knock on wood).