rule of thumb: never shave Honda cranks. I light micropolish is ok but never shave.
b20b/z (crv) crank = 90+ls crank
b20a (old prelude/accord) crank = stroker crank (95mm), not a good idea
itr pistons need to be modified to run on ls rods. Get usdm b16a pistons which works out to about 11:1 compression w/ an ls head. The b16a pistons are a direct fit on the ls rods and the compression will be higher. I think type r is about 10.5: but I don't feel like doing the math now.
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Don't bother giving me "rep", I won't return it and I think it is stupid.
Gracie Barra Clearwater
Gyms in Clearwater, St. Pete and Port Richey
pm me if you are interested in trying a free class at any of the gyms.