Can you use stock pistons in a sleeved Block?

Old 12-18-2001, 10:25 PM
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Post Can you use stock pistons in a sleeved Block?

I am going to start building an engine for my car. The block has two scored cylinders. What are my options? Should I sleeve all four or bore all four? It is my understanding that the cylinders are coated. Does anyone perform this operation?Larger displacement is not really an issue.

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Old 12-19-2001, 03:12 AM
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Nope, you'll have to get new pistons with sleeves as the iron-coating on the stock pistons won't work with steel sleeves.

Also the cylinders are not coated. The silicon surface is exposed through a honing process that takes out the aluminum in the block's alloy and leaves a harder silicon surface. Depending upon how deep the scoring is, you can just hone it with the approved process, or bore & hone it and get 0.5mm larger pistons. Garrity has them for a good price.
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