AR 2001 CHEVY LQ4 6.0 VORTEC AND 2WD 4L80E TRANS. n.e arkansas.

[AMERICAN PICK-UP]

Originally Posted by Vintage Windmills

Nice unit! This is cable actuated throttle plate too. Seems to have better response than the newer drive by wire units. Just FYI the stock rating would be 300 hp, not 325 but I'm sure any tune will get you over 325. Cam tune headers and you're looking at 425 or more. Hope this helps.

just fyi sir according to chevrolet the engine DOES make 325 horse power 01 was the first year for the aluminum heads. FACTORY rated at 325 horse power. we build these engines with a cam,headers and a tune they make 500-550 horse all day. thanks. the 5.3 makes 300 horse from the factory.