bradzuzu wrote:I wouldn't get to worried yet , diesel Pistons do have a bit of slop because they swell up with the temperature and the top is slightly smaller than the skirt making it look like the bore is loose .. I'd pull one and take a quick look but you might find that it's in good shape !!
I wonder if they didn't retorque or double check the torque ?? Do you have a straight edge to check the head for warpage ?
bradzuzu wrote:The big cat engine I'm rebuilding had close to 300,000 miles and the cylinder liners looked very similar , I'm not sure they did a complete over haul on that one ... I guess if you can get a rebuild kit for it and can afford it it wouldn't be a bad way to go... You could rering it as well ... Pull the Pistons and see how they look , check the skirts for wear and stuff ... Any idea on the engines mileage ? You get that ridge up top because the upper compression ring shifts (rocks) every time it hits tdc and travels back down , I'm not sure what the shape (style) of the ring is though , I just know they make like 550 to 650 psi on the isuzus that are used in the hitachi trackhoes , I think they're very close in design...
Dingbat wrote:Did you need to undo the big crank bolt to get the 3 v-belt pulley off the crankshaft ?
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