Quote:
Originally Posted by hifi875
get a later model lm7 I believe, it has either 243/799 heads which are really good(c5 z06 heads) and the block is aluminum. put a cam in it and you will have a potent little engine. I have a 5.3 in my 69 w/243 heads I had milled .030 and cleaned up along with a custom grind comp cam. its pretty dang strong for a little 326ci engine
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doesn't the l33's have 243 heads also?