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L33 5.3 silverado thrush muffler

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Uploaded by on Mar 4, 2011

just the muffler and tip, shitty camera, lots of air movement hahahah

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Autos & Vehicles

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  • @texasmusicfan03 yeah love this engine, its alittle peaky but love it, your not using your 243/799 heads? thinking about a cam not sure, its got a intake and 91 tune and pulls like a dream.

  • Nice air flow, lol I'm currently building a L33 to put in my 05 Z71, (swapping the stock L33) but my goal is 500 horses off the crank!! Block assembly came in Thursday, slightly honed the piston heads yesterday, installed cam and LS7 lifters today and I'm now waiting on heads (will be using stock rockers with aftermarket springs) and intake manifold. Running 205 GenX heads, and LSXRT intake, Wilson billet fuel rail with 36 pound injectors, with a 102mm TB and Volant intake. Can't wait!!

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