Best camshaft for towing

A lot of the newer truck cams with lots of chop are great for not losing on the low end, plenty of midrange torque but do lose a little in the higher end. They also work on stock or smaller stall speeds.

Brian Tooley Racing sells a few different truck cams. Check YouTube for some of their newer BTR V2 truck cams. As a side thought what are your end goals?

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DJLowFreq said:

Brian Tooley Racing sells a few different truck cams. Check YouTube for some of their newer BTR V2 truck cams. As a side thought what are your end goals?

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Thanks for the reply, I’m just looking for something reliable for long trips

Every time you drift away from the factory spec’s components, despite your best intentions, you are compromising the work of an extraordinarily resourceful design team. Be willing to give something up when you make “improvements“ to fit your particular performance wants. Altering the valve timing based on a vague recommendation or even an educated notion, has some significant monetary and mechanical risks. While your TBSS has more computer capabilities than astronauts had when landing on the moon, all too often well meaning enthusiasts take the drivability adjustment window beyond the intended design. Your ride came with almost 400 horsepower

(Sorry - the forum cyber censor cut me off.) …and 400 lb. ft. of SAE rated torque. Couple that to a great trans gear split and axle ratio, and your little SUV is an extraordinarily versatile towing machine, with great everyday street manners. If you’re determined to set aside all the calculations of billion dollar GM computer banks, and the thoughts of a whole herd of brainiac engineers, and make a change in the heart of your engine; call the cam grinders’ tech line. Speak directly with one of their reps. They’re going to ask you some questions about your real-world everyday use; AND the occasional tow, race, or whatever expectation you may have. Devote some serious self-honesty to questions about daily driving. They’ll guide you toward a reasonable, workable compromise.

BTR is probably the best place for what (you appear to) looking for. Bear in mind even a mild cam change will require new springs at a minimum so you'll be removing the heads. New lifters more than likely. Pushrod length probably will stay the same but should be checked. The mildest cam upgrade is worth close to 4o+hp from my research.

...40 hp.... It's worth calling the cam company for recommendations. The manufacturer (GM) does have extensive knowledge but they have to be focused on mileage & especially emissions on a large scale. Final thought wilder cams usually want/need more stall speed. As in different torque converter, another can of expen$ive worms to open.

Easiest and safest option (just my opinion) is the BTR Truck Norris low lift NSR (no springs required) cam*.
*-as far as "off the shelf" cams go
You can search Richard Holdner on YouTube and watch about 100 dyno cam comparison videos.
He does a test on that NSR Truck Norris and it made almost the same power as the high lift version.
You will need a "tune" if you buy any aftermarket cam, or you'll just be wasting your money.