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Rotating assemble.... Crank, rods, pistons..Most kits should come balanced already, but I don't know if they do a good job or not, or how many grams they balance it too...I guess it depends on which kit you buy..Someone on here will know.....WW
do i take it after i install it into the block or before. i know this is problem a dumb question
It needs to be balanced before it is assembled. Give your block, crank, rods, pistons, balancer and flexplate/flywheel to the machinist. I don't know what kind of stroker you are building, but the by giving all the pieces to the machinist, they can do the needed clearancing and balancing.
I can't stress enough how important it is to find a quality machinist. My assembly was balanced to less than .5 grams. A properly balanced engine will last longer and spin up faster.
i will. will it cost more for this along with the kit then it would if i just bought a preassblemed blocked
To many variables in parts and assembly charges to answer that question... I had a mild 383 built a couple years ago. Nothing fancy, cast crank, hyperutectic pistons and a good set of Dart Pro 1 heads, and it cost me around $4,200 for the 4 bolt longblock..By the time I put a complete intake on the engine, plus a set of Hooker super comp ceramic headers, I had about $6,000 in the completed ready to drop in engine..So now you have a guideline , you can search the engine sites to see if you can buy a completed engine for the same or less money..........WW
i will. will it cost more for this along with the kit then it would if i just bought a preassblemed blocked
It really depends on what you intend to do with this engine. Crate engines are a lot like rotating assembly kits. You don't know what specs were used. Crate engines may use balancing specs like 5 grams vs. .5 grams.
I would take the block to a machinist and have them figure out how much boring is required. Then purchase the parts separately and let the machinist do his magic.
....WW