The 5.3L has 285HP. The 6.0 has between 300 and 345 depending on what it's out of. I think the 4.5 has 245 or 255. There's a bigger jump in torque than horsepower between the displacements.
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69 C10 2WD LWB Fleet 350/350 power front disc conversion (6 lug disc kit from gmcpauls) and new engine, PS, A/C, fresh fluids, SHE DRIVES!
FOR SALE $3900
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