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Showing results for tags 'ls3 z31'.
LS3 into a Z31 auto race car project, I'm a simple man but realise that a can of worms is the popular design model for 'race' headers. But I like the look and practicality of the good block hugger designs, particularly where there is not much difference between the pipe lengths, the collectors look like they perform a useful function just like with the more complicated ones. So what's the go, have we some proper power comparisons here, will just a few horses be lost or will it be significant? Stock engine except for a yet to be decided upon medium cam.