Can you use stock pistons in a sleeved Block?
12-18-2001, 10:25 PM
#1
Rennlist Member
Thread Starter
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.
Justin
Justin
12-19-2001, 03:12 AM
#2
Race Director
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.
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.