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  1. 09-13-2009, 07:02 PM #1
    LT1 > LS1
    LT1 > LS1 is offline
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    Trans Am owner
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    silverado ss heads

    well, the truck has a vortec 6.0 in it.

    what stamp heads are on these trucks? I think it would have been way cooler if GM put a LS2 in these things! they put it in the damn trailblazer!
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  2. 09-13-2009, 09:14 PM #2
    wheeliE-maxx
    wheeliE-maxx is offline
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    gmcheviac

    317 heads. They have the exact same ports as the ls2 and ls6 917's and 243's but with 70cc chambers I believe. They have the same cam as the '01-'02 ls1. You can make all the power of an ls2 with one
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