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10295 is a high pressure and stock volume, the one you want is the M365 the same as GMs L99. The solid steel are better than the weaker hollow stem valves of the LS3s and with the dual springs the couple of grams of the solid steel valve does not even matter. LSAs and LS9s have solid valves, so do not worry about it. The heads are good enough for over 600hp, any more head you may need more rpm to make, a mild port of the stock head will make them more efficient. Keep the stock rockers, a trunion upgrade is a most, change the chain tensioner to a dog bone (LS2) and cam phaser, (I purchased the whole cam swap kit from TSP. Check the spring pressure every 20k, keep the VVT and do not let others change your mind.
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Corsa CAI w/Donalson Power Filter, BBK 1 7/8 headers, MF resonator, custom exhaust with Legato mufflers, mildly ported heads, TSP VVT 3.2 cam (whole package), 3.91 1LE gears, Circle D 3200 stall torque converter, B&M power cooler tranny cooler. Tuned by Casey TSP's tuner. 1/4 12.16 117mph with stock tires at 20 psi.
Last edited by JLGO; 04-21-2021 at 11:56 PM.
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