lsvtec
#1
lsvtec
im looking at building a ls vtec engine my question is i wondered if there are a big issue building a b18a vs building a b18a bottom end for it seem to be almost the same block and head will be a b16 cuase i know the b18a dont flow as well
#2
Honda-Tech Member
Re: lsvtec
Well all flow numbers aside, if you use a B18a head you would just have an LS setup not an LSvtec. Anyway, for the block, other than a slight compression difference which only matters if your using stock Pistons and such the blocks are identical and will not matter whether you use a/b block for the build.
#4
Honda-Tech Member
Re: lsvtec
First make sure the internal Vtec oil passage in the head is blocked. Secondly since these are not a factory Honda produced engine, special attention must be given to properly set the timing and tune your setup. No factory ecu basemap or timing marks will be appropriate for a custom build such as this and you could severely damage the build before you get to enjoy it. Good luck.
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