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Thread: LS7 cam in5.3 plausable or not

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  1. #1
    Join Date
    Sep 2006
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    THE 405
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    The LS7 cams are a single bolt where the GenIII cams use 3 I believe...I'm sure theres more differences too
    2007 RCSB|DTR81 built LSx 3xx|PRC|NX|BOGART|MSD|QUICKFUEL 950 E85|4L80|FTI Converters|Smith RaceCraft|Racepak
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  2. #2
    Join Date
    Jul 2008
    Posts
    329
    The LS7 cam would be a poor choice for a 5.3 in a truck. You would lose most of your low-end grunt. It's designed to work in a light-weight vehicle that revs high.

  3. #3
    Join Date
    Sep 2010
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    2
    like a camaro with a turbo maybe.

  4. #4
    Join Date
    Oct 2008
    Location
    Scott, Arkansas
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    424
    Do you know the specs on that cam? 211/230 .591 lift. That is way too much split for a 5.3 IMO. Something a bit more close ratio would perform much better...like an EPS 222/226 or an XER 224/228 and those are not small cams at all in a 5.3.
    2005 Silverado SS AWD
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    13.82 @ 94.92 w/1.83 60'

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