Price has recently gotten a bit steeper than it was is the only downside. With its shorter duration and tighter LSA makes noticeably more low-end torque than the LT4 hotcam. GM SPO 357HP 350 crate engine cam is my go to cam now. Maybe base it off parts in this article from FourWheeler magazine?ĤL60e transmission (original still going strong!) New oversized TCC lockup valve and TCI Deep aluminum panģ:73 gears with F44 package semi floating rear-end 14 boltĮxhaust: Shorty headers, Flowmaster headpipes with high flow catalytic converters, dual in / out Flowmaster muffler true dual exhaust 2.25' Do I need to replace lifters pushrods and springs as well? If so what do you all recommend? Do I need to get computer reprogrammed after cam swap or it is ok since its been tuned already by Black Bear Performance?ģ. I live at 7,000 feet elevation so I'm already down 20% hp and torque when compared to sea level.ġ.Is this worth it or will I not notice much of a difference?Ģ. I do get some tapping noise only when temps are below freezing but goes away after a minute.
Was thinking of doing a winter project and putting in a performance cam. Engine runs excellent with 210k on the clock.
