Thread: 69 chevelle pro street project

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there were ls bbc engines LS 5 LS 6 over the counter LS7 along before the LS sbc i built both parts for the ls sbc is going to be more or on some things the same to build the BBC as for the ls sbc is lite years ahead of the bbc that is a big No. you are better with the LS small block over the older small block chevys as for heads but the bottom end with the ls the older chevy is abit more user freindly thats is why World makes a old sbc block that the new top half of the LS bolts on to it and Dart has reworked a new LS block to be better then the stock one .as for big power threw the stock Gm ls block the alum one moves around alot in the main webs and piston bores. new Gm ls7 sbc block are not cheap $2880 or about thats dealer cost i would not put alot of power threw it about 600hp on the Gm block . for the same price a Big M iron block can take over 2000HP and with billet cap 2000HP for about the same cost or less the cost of a LS power level will have alot to do with cost of build do not kid your self them low 8s lsx or ls base engine s have money in them .you could go on the yellow bullet as see how many are going fast with stock parts some on there have gone that fast with junk yard bottom ends they say.. i yet to find a good LS core for $250