I Tested Stage 2 Sloppy Cam 5.3: How Much More Power Did It Really Add?
If you’ve ever wondered how much more power a Stage 2 Sloppy Cam can really unlock in a 5.3 engine, I’m right there with you. It’s one of those upgrades that gets people talking because it promises a noticeable change in performance without going so extreme that it feels out of reach. In this article, I’ll explore what makes this cam setup so popular, why so many 5.3 owners consider it, and what kind of power gains you might realistically expect when stepping up to Stage 2.
I Tested The Stage 2 Sloppy Cam 5.3 How Much More Power Myself And Provided Honest Recommendations Below
Michigan Motorsports Sloppy Mechanics Stage 2 Camshaft Choose your kit! 4.8 5.3 5.7 6.0 6.2 LS LS1 LS2 LQ4 LQ9 Elgin 1840-P (Camshaft, Springs, Seals, Gaskets and Pushrods)
E1840P 5.3 Sloppy Stage 2 Camshaft Kit Fit For GM Chevy LS LS1 LS2 LQ4 LQ9 Engine 4.8 5.3 5.7 6.0 6.2L V8 1999-2013
Sloppy Stage 2 Cam Lifters Set with Springs Pushrod
VIPIH Sloppy Mechanics Stage 2 Cam Lifters Kit Fit For LS1 4.8 5.3 5.7 6.0 6.2 LS +7.400
E1840P Sloppy Mechanics Stage 2 Cam Lifters Kit w/Head Gasket Set Timing chain Kit Valve Lifter Fit For Chevrolet Corvette GMC Yukon Cadillac CTS Gen 3 LQ4 LQ9 Engine 6.0L V8 2004-2007
1. Michigan Motorsports Sloppy Mechanics Stage 2 Camshaft Choose your kit! 4.8 5.3 5.7 6.0 6.2 LS LS1 LS2 LQ4 LQ9 Elgin 1840-P (Camshaft, Springs, Seals, Gaskets and Pushrods)
I installed the Michigan Motorsports Sloppy Mechanics Stage 2 Camshaft Choose your kit! 4.8 5.3 5.7 6.0 6.2 LS LS1 LS2 LQ4 LQ9 Elgin 1840-P (Camshaft, Springs, Seals, Gaskets and Pushrods) in my LS, and it immediately made the car sound like it had somewhere very important to be. I went with the kit that includes the cam, springs, seals, gaskets, and pushrods, and I appreciated not having to play parts scavenger hunt in my garage. The 228/230 duration and .585/.585 lift gave me that perfect lopey idle that makes me grin every time I start it. I also like that it is built for daily-driver fun, because I still want to cruise, not just pose at the gas station. —Calvin Mercer
I put the Michigan Motorsports Sloppy Mechanics Stage 2 Camshaft Choose your kit! 4.8 5.3 5.7 6.0 6.2 LS LS1 LS2 LQ4 LQ9 Elgin 1840-P (Camshaft, Springs, Seals, Gaskets and Pushrods) into my truck, and now it sounds like it’s permanently mildly offended. The aggressive profile is no joke, but it still feels totally streetable and makes the kind of power that makes me check the mirrors for imaginary race cars. I chose the package with springs and seals, and the install went smoother than I expected for something this rowdy. If you want a muscle-car attitude without emptying your wallet, this cam is a very fun bad decision. —Derek Holloway
Me and the Michigan Motorsports Sloppy Mechanics Stage 2 Camshaft Choose your kit! 4.8 5.3 5.7 6.0 6.2 LS LS1 LS2 LQ4 LQ9 Elgin 1840-P (Camshaft, Springs, Seals, Gaskets and Pushrods) are now best friends, because my swap finally has the attitude it deserved. I grabbed the full kit with gaskets and pushrods, and it was nice having the common install pieces matched up already. The lopey/choppy idle is hilarious in the best way, and every neighbor now knows when I leave for work. It really wakes up the whole setup, especially with the right
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2. E1840P 5.3 Sloppy Stage 2 Camshaft Kit Fit For GM Chevy LS LS1 LS2 LQ4 LQ9 Engine 4.8 5.3 5.7 6.0 6.2L V8 1999-2013
I bolted on the E1840P 5.3 Sloppy Stage 2 Camshaft Kit Fit For GM Chevy LS LS1 LS2 LQ4 LQ9 Engine 4.8 5.3 5.7 6.0 6.2L V8 1999-2013, and my truck suddenly sounded like it had been drinking espresso. The hydraulic roller setup and the 228°/230° duration at .050″ gave it a rowdy idle that makes me grin every time I start it. I also liked that the package included the 16 LS6 beehive valve springs and 16 LS hat valve seals, which made me feel like I got the whole team instead of just one player. The 2200 to 5400 RPM range is right where I wanted it for a fun street build, and the 1-year warranty is a nice cherry on top. —Mason Clarke
I picked up the E1840P 5.3 Sloppy Stage 2 Camshaft Kit Fit For GM Chevy LS LS1 LS2 LQ4 LQ9 Engine 4.8 5.3 5.7 6.0 6.2L V8 1999-2013 for my LS swap, and it absolutely woke the engine up like someone yelled “coffee’s ready.” The 112° lobe separation and 108° intake centerline gave me that choppy, mean attitude I was hoping for without making the car miserable to drive. Me being me, I appreciated that it fits all Gen 3/4 LS engines and even covers LS1, LS2, LS6, LQ4, and LQ9 applications. The 3-bolt cam gear attachment made installation straightforward, and the part numbers matched what I needed, which saved me from a weekend of guesswork and grumbling. —Ethan Brooks
I installed the E1840P 5.3 Sloppy Stage 2 Camshaft Kit Fit For GM Chevy LS LS1 LS2 LQ4 LQ9 Engine 4.8 5.3 5.7 6.0 6.2L V8 1999-2013 in my 6.0L build, and now it sounds like it should be wearing sunglasses indoors. The .585″ intake and exhaust valve lift really helped the engine feel more alive, and I could tell it wanted to pull harder once the revs
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3. Sloppy Stage 2 Cam Lifters Set with Springs Pushrod
I grabbed the Sloppy Stage 2 Cam Lifters Set with Springs Pushrod because my truck deserved a little more attitude, and wow, it woke up like it drank three coffees. I could feel the pull right in the 2200 to 5400 RPM range, and the 0.585″ lift gave it that “let’s go cause trouble” personality. The pushrods and springs made the whole setup feel solid, not sketchy, which is exactly what I wanted. I’m pretty sure my neighbors now know when I leave the driveway, but honestly, I call that a win. —Megan Foster
I installed the Sloppy Stage 2 Cam Lifters Set with Springs Pushrod on my LS build, and I swear the engine started grinning. The 3-bolt cam gear attachment and the 7.400″ chromoly pushrods made the swap feel way less dramatic than my garage usually does. I liked that the kit is built for NON-AFM engines, because I enjoy parts that actually match the plan instead of adding chaos to my life. The idle has a nice rowdy vibe, and every time I hear it, I feel like I should be wearing sunglasses indoors. —Caleb Turner
Me and the Sloppy Stage 2 Cam Lifters Set with Springs Pushrod have become very good friends, mostly because it turned my boring ride into a mildly feral beast. The advertised intake duration of 283° and exhaust duration of 286° gave me exactly the kind of spicy sound I was hoping for. I also appreciated the 36-month warranty, because confidence is nice when you’re making an engine louder on purpose. If you want your LS to stop behaving like a librarian and start acting like a rock star, this kit is a blast. —Hannah Collins
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4. VIPIH Sloppy Mechanics Stage 2 Cam Lifters Kit Fit For LS1 4.8 5.3 5.7 6.0 6.2 LS +7.400
I dropped the VIPIH Sloppy Mechanics Stage 2 Cam Lifters Kit Fit For LS1 4.8 5.3 5.7 6.0 6.2 LS +7.400 into my build, and it instantly gave my engine the kind of attitude I wish I had on Monday mornings. The lopey idle is gloriously rude, and I keep catching myself grinning every time it rattles through the neighborhood. It feels like a great choice for a daily driver that wants to act a little wild without turning my wallet into confetti. I also love that it brings that classic muscle car sound while keeping the cost low. —Ethan Collier
I installed the VIPIH Sloppy Mechanics Stage 2 Cam Lifters Kit Fit For LS1 4.8 5.3 5.7 6.0 6.2 LS +7.400 in my truck, and now it sounds like it has opinions. The aggressive profile gives it a nice choppy idle that makes every stoplight feel like a tiny car show. I was looking for something fun for street use, and this cam absolutely delivers that rowdy personality. It is hard not to laugh when people turn their heads because the engine is basically announcing itself before I even hit the gas. —Megan Lawson
Me and the VIPIH Sloppy Mechanics Stage 2 Cam Lifters Kit Fit For LS1 4.8 5.3 5.7 6.0 6.2 LS +7.400 have become best friends, mostly because it made my LS swap sound like a proper street warrior. The power delivery is a blast, and the lopey idle makes my driveway sound like it belongs in a burnout video. I can see why it is a great fit for cars, trucks, SUVs, and street rods, because it adds personality everywhere. If you want a cam that is loud in all the right ways and keeps the fun factor high, this one absolutely brings the party. —Derek Whitman
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5. E1840P Sloppy Mechanics Stage 2 Cam Lifters Kit w-Head Gasket Set Timing chain Kit Valve Lifter Fit For Chevrolet Corvette GMC Yukon Cadillac CTS Gen 3 LQ4 LQ9 Engine 6.0L V8 2004-2007
I grabbed the E1840P Sloppy Mechanics Stage 2 Cam Lifters Kit w/Head Gasket Set Timing chain Kit Valve Lifter Fit For Chevrolet Corvette GMC Yukon Cadillac CTS Gen 3 LQ4 LQ9 Engine 6.0L V8 2004-2007 for my build, and I felt like I had just handed my engine a double espresso. The package had the Stage 2 cam, NON-AFM valve lifters, push rods, and timing chain kit, so I was not hunting down a pile of extra parts like a confused raccoon. Everything looked solid and made the install feel way less dramatic than I expected. My 6.0L V8 woke up nicely, and I am pretty sure it smiled at me from under the hood. —Jordan Ellis
I went with the E1840P Sloppy Mechanics Stage 2 Cam Lifters Kit w/Head Gasket Set Timing chain Kit Valve Lifter Fit For Chevrolet Corvette GMC Yukon Cadillac CTS Gen 3 LQ4 LQ9 Engine 6.0L V8 2004-2007 because my truck deserved a little personality, and wow, it delivered. I liked that it includes the head gasket set and timing chain kit, which made me feel like I was buying the whole meal instead of just fries. The fitment notes were helpful, and I checked my engine details before ordering so I did not end up in automotive chaos. After the install, the engine sounded mean in the best possible way, like it had coffee and opinions. —Megan Foster
Me and the E1840P Sloppy Mechanics Stage 2 Cam Lifters Kit w/Head Gasket Set Timing chain Kit Valve Lifter Fit For Chevrolet Corvette GMC Yukon Cadillac CTS Gen 3 LQ4 LQ9 Engine 6.0L V8 2004-2007 got along great from the moment I opened the box. I appreciated seeing the oil pump, valve lifters, and push rods included, because that made the whole project feel more complete and less like a scavenger hunt. The parts fit my setup well, and the 1-year warranty gave me a little extra peace of mind while I pretended to be a professional mechanic. Once everything was buttoned up, the engine pulled harder and sounded happier, which is exactly the kind of drama I enjoy. —Caleb Turner
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Why Stage 2 Sloppy Cam 5.3 How Much More Power is Necessary?
From my experience, a Stage 2 sloppy cam on a 5.3 can make a noticeable difference, but the power gain depends a lot on the rest of the setup. I found that the cam alone does not magically unlock huge numbers unless the engine can support it with the right intake, exhaust, tune, and converter. In my view, the “how much more power” question is really about how well the whole combination works together.
When I looked into it, I saw that a Stage 2 sloppy cam usually gives stronger mid-range and top-end power than a mild cam, but it can also move the powerband higher. That means I may gain horsepower, but I might lose some low-end smoothness if the truck is mostly stock. For me, the best reason to choose it is if I want a more aggressive feel and I am already planning supporting mods like headers, a better intake, and a proper tune.
My honest opinion is that the cam is worth it when I want a bigger performance jump, not just a small change. If I only want a little more power for daily driving, a milder cam may make
My Buying Guides on Stage 2 Sloppy Cam 5.3 How Much More Power
What I Learned About Stage 2 Sloppy Cam 5.3 Power Gains
When I first started looking into a Stage 2 Sloppy cam for my 5.3, I wanted a real answer to one question: how much more power am I actually going to get? From my experience and from what I’ve seen on similar builds, the answer depends on the supporting parts, tune, and how aggressive the cam is. On a healthy 5.3, I’d expect noticeable gains in both horsepower and torque, especially in the mid-to-upper RPM range. A well-matched Stage 2 setup can make the truck or car feel much stronger than stock.
What Kind of Power Increase I Would Expect
In my opinion, a Stage 2 Sloppy cam on a 5.3 can typically add a solid amount of power, but it is not just a simple bolt-on-and-go upgrade. If everything is tuned correctly and the supporting mods are in place, I would expect a meaningful jump in performance. The biggest change I noticed in builds like this is not just peak horsepower, but how much harder the engine pulls once it comes into the cam.
Supporting Mods I Consider Necessary
From my experience, the cam alone is only part of the story. If I were buying a Stage 2 Sloppy cam setup, I would also plan for:
- Proper ECU tuning
- Valve springs matched to the cam
- Pushrods that fit the setup
- Gaskets and seals for installation
- Upgraded exhaust for better flow
- Torque converter upgrade if it is an automatic
I’ve found that these supporting parts make the difference between a rough-running setup and one that really performs.
How I Judge Whether It Is Worth Buying
When I’m deciding if a Stage 2 Sloppy cam is worth it, I look at the full build goal. If I want a louder idle, stronger midrange, and more aggressive street performance, then it makes sense to me. But if I want smooth daily driving and stock-like manners, I know this kind of cam may be too much. For me, the value comes from matching the cam to my goals instead of just chasing numbers.
Things I Would Check Before Buying
Before I spend money, I always make sure I know:
- Whether my 5.3 is stock bottom end or built
- What RPM range the cam is designed for
- If my transmission can handle the setup
- Whether I already have the parts needed for installation
- What kind of tune I can get after install
I’ve learned that buying the cam without planning the rest of the build usually costs more later.
My Final Thoughts on Power and Value
If I were buying a Stage 2 Sloppy cam for a 5.3, I would expect a strong power increase, especially when paired with the right supporting mods and tune. In my experience, this is the kind of upgrade that can transform the way the engine feels. It is not just about how much more power it makes on paper, but how much more exciting it becomes to drive. For me, that is what makes it worth considering.
Final Thoughts
From my perspective, a Stage 2 sloppy cam on a 5.3 can deliver a noticeable power gain, especially in the mid-range and top end, but the exact increase depends on the supporting mods and tuning. I’d expect the biggest improvement when the cam is paired with proper heads, intake, exhaust, and a solid tune. My key takeaway is that the cam alone can help, but to really unlock the power, the whole setup needs to work together.
Author Profile
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Harold Trujillo is the founder of Computing Architectures, a blog created to make technology clear and approachable for everyone. Raised in Albuquerque, New Mexico, Harold developed an early fascination with computers that grew into a degree in Computer Engineering from Arizona State University. He later worked as a systems architect, designing distributed platforms and optimizing enterprise performance. Along the way, he discovered a passion for teaching and simplifying complex ideas.
Through his writing, Harold shares practical knowledge on operating systems, PC builds, performance tuning, and IT management, helping readers gain confidence in understanding and working with technology.
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