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Thread: 5.3 stock heads to LQ9 block

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  1. #1
    Just check wit the guy that did the heads there 862 ,rock port , 3angle valve job and milled 5 but the heads git warped 1ns due to over heat and got milled 5 more which is 10 is that good or should my friend change the heads he went 11.4@ 122mph spinng mods are lq9 ms3 cam stall full bolt on wat do u thing should he change the heads
    Last edited by most-hated; 10-10-2008 at 05:10 PM.
    RioDeal 2010&2011 RGVTrucks Shoot Out's Best Attendence Winners
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    1.68 60ft 6.9@105mph 1/8th 10.6@132mph 1/4mile

    Boosted 5.3 in the works

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