Originally Posted by lead

....correct me if im wrong but if you use an ls vtec and you sleave and run different pistons and rods and the vtec head what is the difference between that and a gsr block with the same stuff except for the fact that the ls block has to have an external line run which could make you starve your engine if something happened to it....

i say the only bennefit of the ls vtec is the high compression when you go by built standards the ls vtec just becomes nothing special the gsr would = it power wise and have less chance of problems