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Cars and trucks

Motor Isuzu 4ZD1 block shirts are polished.

racb28
racb28
6
hace 6 años
hace 6 años
Disarm the engine of my truck to maintain the valves and when I disarm, I see that the inside of the shirts of the block look polished, that okay? I ask him because they told me that I had to burn (to pass the chicken leg, that's how they say in my country) the block and change the rings, is that true? Greetings.
Diego Serantes
hace 6 años
hace 6 años
Hi Racb28. It all depends on how the compression of your motor is. In a newly rectified or burnished cylinder, the streaks of stone work are noticed. But once settled, it does not show much. If you have problems of consumption and / or lack of strength, it would be good to review the cylinders and rings (rings). Anyway that has to be measured with a comparator to rule out deformities in the cylinders because if you put new rings in a cylinder that is deformed (oval), you can get worse than before. Be careful with that. If the wear is even and there are no grooves in the cylinders, it is nothing but bruñas and change the hoops. Always being very attentive to the light of these and the type of hardness.
racb28
racb28
6
hace 6 años

I agree with you, the cylinder does not look bad, it is only polished, before that the car had strength, that is, it did not stay on a rise for example. What happens is that I do not have enough money to buy the rings and burnish (I do not know if it says that) shirts, in my country it is very expensive that. With the cylinder so the risk of starting to pass oil?

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Diego Serantes
hace 6 años

It is difficult to say that you can go without seeing it. As I put before, there are several factors to review before drawing conclusions. Deformity, light of rings, stripes, etc. If it was good before, it probably will. Keep in mind that in repairing any leaks that may exist for the valves, you will increase the compression in the cylinders. So oil consumption may appear since the compression that was previously lost due to poor valve closure, will now try to escape through the hoops.
If you can not economically afford the full repair, there is no other way to prove it. Luck!!

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