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Re: Think I might need some advice with this motor
The first thing to consider is what kind of life do you expect this engine to live. In order to get 100,000 good miles you need to have the cylinders bored and use new oversize pistons. If it is a standard bore, the normal is .030" over. Along with this, make sure all of the crank journals mic the same. The normal machining for a standard crank is .010", .020" or .030 depending on wear. It is not suggested to exceed .030". Make sure the rods are checked and resized if needed. Ring end gaps and crank shaft end play also need to be measured. This is all standard practice for rebuilding any engine.
You may consider buying a GM crate engine with all new parts and a warranty for most likely less money than you will have into parts and machining of your engine.
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