502 magnum efi mods?
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502 magnum efi mods?
I have a 1994 powerquest 257 legend that I purchased about a month ago. The outdrive was knocked off and transom assembly trashed. We replaced the transom assembly and was very close to reinstalling the engine and noticed a big crack in the side of the block. I repaired temperarely with a bit of jb weld..(don't hold it against me). Ran it this past weekend and ran fantastic other than an oil ring behind the boat when putting on trailer. I have ruled it out to two things which would cause this. Oil cooler failure or the worse... Crack in oil valley. Anyways I am about to purchase a brand new bowtie block and swap all of my internal components to the new one. My question is this.... Are there any cheap mods I can purchase while I am this deep in the engine that would give more HP without boring out the block and replacing pistons? I do plan on giving the heads a nice port and polish while out as well. Any ideas are greatly appreciated!