Can someone explain stroker kits
A stroker simply has a larger stroke than stock, for class competition they destroking is also done. The bore needn't change at all to stroke a motor and may not on a 318 build but likely will with a 340 or 360 block since better cores are worth more. The longer stroke typically pushes the operating range down everything else the same.
273, 318, 340, and 360s all have very similar blocks. 273, 318, and 340 all have the same stroke size but difference bore sizes. 3.91 for 318s, 4.04 for 340s, 4.0 for 360s, something around 3.65" for 273s. The A engines predating them were fairly related and there were factory strokers in that line. The 360s weren't loved partly since they started as a truck motor and went in at a time when steep gears were becoming increasingly less common. Wearing all the 340 parts like they did several years in the A bodies, they typically lacked the 3.55 and 3.91 gears that weren't so rare half a decade before.
408 is a .030 over 360 with 4" stroke. 410 is .040 over, same as a cherry bore 340 with 4".
You never stated you intended purpose for this build. Perhaps a stroker is not necessary. Strokers add a minimum of $1500-$2000 in parts and can "snowball" the machine work and other peripherals. J.Rob
A person needn't be wealthy to value their time. Example I always find interesting is "cheap projects" that none of their owners can invest the time to fix until finally they're parted.
