Re: 6.0 LS questions
From what I have heard and read is that the truck intake has better torque which would be better for street use? I was lucky enough to buy a complete LQ9 6 liter which has those heads and 1/2 point lower compressin alowing lower octane (cheaper) gas. The LQ9 has 345 hp and 380 ft lbs of torque. According to John Spear with his harness and reprogramed pcm and using no converters and down stream o2 sensors you gain an additional 10-15hp and 10 ft lbs of torque with a free flowing 21/2 inch exhaust.
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