Craig76z Posted November 19, 2016 Share Posted November 19, 2016 I'm having an aluminum 6.0l engine built at a local al machine shop. I want to put in a stock vette cam but don't know which one to go with. 2 questions. Which would you choose? Why are LS3 cams so cheap? Quote Link to comment Share on other sites More sharing options...
Ryan Merrill Posted November 19, 2016 Share Posted November 19, 2016 Why not just go on LS1 tech and pick up a good used cam. I bought a used texas speed Torquer v2, new unused push rods, new PAC 1218 springs for $300. Quote Link to comment Share on other sites More sharing options...
Craig76z Posted November 20, 2016 Author Share Posted November 20, 2016 I was but I don't know which one would be best. I see several LS3 cams for cheap but wonder why they're so inexpensive. Are they now good? Quote Link to comment Share on other sites More sharing options...
Zfan1 Posted November 21, 2016 Share Posted November 21, 2016 You said you were having a 6 liter built, is it a 6.0 with LS3 heads or are they cathedral port 6.0 heads? If they are LS3 heads meaning it's an L76 or LY6 motor with 5364 0r 823 casting then an LS3 cam is fine. If it's a 6.0 with cathedral port heads you will want to stay away from an LS3 type cam as they are spec'd completely different from a cam built for a cathedral port head. Cams for cathedral port heads will have a tighter duration say 232/236 duration, a LS# cam would be more like 232/241 due to the poor exhaust flow and exceptional intake flow. Quote Link to comment Share on other sites More sharing options...
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