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LS3 intake/heads on LQ4 Block

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Old 05-04-2012, 08:09 PM   #1
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Default LS3 intake/heads on LQ4 Block

Hey Guys...doing my first LS motor Build and have a few questions. I have an LQ4 bock that I am planning to put an LS3 or Fast 102 intake on with the LS3 heads. As the GenIII motors have the knock sensors under the intake....will I have any issues with the valley cover (genIII)and knock sensors fitting under either the Fast 102 or LS3 intake?? Is there valley cover that would be better to use, or can I use the LQ4 valley cover?? What steam tubes?? Also, my understanding is that the injector plugs are different on gen III and gen IV????

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Old 06-21-2012, 09:08 PM   #2
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Im installing a Typhoon intake manifold onto a lq4 and need to know what steam tubes and valley cover/knock sensors i need to round up.
2006 Silverado 2500HD-Duramax with allison trans
2000 S10 Blazer Zr2-Solid front axle swap, awaiting ls swap
1971 Nova- h/c/I lq4 6.0 1 7/8" long tubes, t56, tick master, ls1 fbody brakes front/rear, ls1 fbody brake booster/master, ls1 fbody radiator and fans
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block, build, engine, fast, fit, gen, heads, headss, iii, intake, lq4, lq4block, ls1, ls3, steam, tubes

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