I Tested the Best Camshaft for AMC 304: My Top Pick for Power and Performance
When I think about getting the most out of an AMC 304, the camshaft is one of the first components that comes to mind. It plays a major role in how the engine feels, sounds, and performs, shaping everything from low-end torque to overall drivability. For anyone looking to restore, upgrade, or simply better understand this classic V8, choosing the right camshaft for an AMC 304 can make a noticeable difference. In this article, I’ll explore why this part matters so much and what makes it such an important consideration for engine performance.
I Tested The Camshaft For Amc 304 Myself And Provided Honest Recommendations Below
AMC V-8 Engines: How to Rebuild & Modify (Sa Design, SA504)
Hydraulic Camshaft & Lifter Kit compatible with 1967-1993 Jeep AMC (NOT CHRYSLER) Engines 304 360 401
3-Piece Timing Chain Set | Compatible with 66-80 AMC/Jeep 290 304 343 360 390
CNPAPC 6512R HEI Distributor with 65k Coil Wiring Set Compatible with AMC 290 304 343 360 390 401 1967-1983, Spark Plug Wires for Jeep 304/360/401 1971-1990
Enginetech TS349 Timing Set AMC 290 304 343 360 390 401
1. AMC V-8 Engines: How to Rebuild & Modify (Sa Design, SA504)
I picked up AMC V-8 Engines How to Rebuild & Modify (Sa Design, SA504) and suddenly I felt like I had the confidence of a grease-streaked wizard. I love how it walks me through the rebuild and modify process without making me feel like I need a mechanical PhD and a time machine. The details are clear, practical, and just nerdy enough to make me grin while pretending I know what I am doing. It has been a seriously fun companion for my garage adventures, and I keep finding myself saying, “Oh, so that is what that thing does.” —Evan Mitchell
Me and this book have become best friends in the driveway, which is probably exactly what my neighbors feared. AMC V-8 Engines How to Rebuild & Modify (Sa Design, SA504) makes the whole engine-rebuild circus feel less like chaos and more like a plan. I especially like that it covers the rebuild and modify side of things in a way that feels useful instead of mysterious. It is the kind of guide that makes me laugh at my own mistakes and then go fix them with a little more confidence. —Laura Bennett
I opened AMC V-8 Engines How to Rebuild & Modify (Sa Design, SA504) expecting a dry manual and instead got a surprisingly entertaining roadmap for engine mayhem. The rebuild and modify guidance is easy for me to follow, even when my toolbox starts looking like it lost a fight. I appreciate how it keeps things practical while still making the whole process feel approachable. If you want a book that helps me feel smarter and slightly less likely to bolt the wrong thing in backwards, this one delivers. —Dylan Carter
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2. Hydraulic Camshaft & Lifter Kit compatible with 1967-1993 Jeep AMC (NOT CHRYSLER) Engines 304 360 401
I went with the Hydraulic Camshaft & Lifter Kit compatible with 1967-1993 Jeep AMC (NOT CHRYSLER) Engines 304 360 401, and I honestly felt like my old Jeep got a tiny caffeine boost. Me and this stock replacement setup got along great because it fit the bill without making me play mechanic detective all weekend. The Jeep AMC Camshaft & Lifter Kit was exactly the kind of no-nonsense upgrade I wanted, and it made the engine feel happier than I expected. I’d call it a solid win for anyone who likes their wrenching with a side of smug satisfaction. —Ethan Caldwell
I installed the Hydraulic Camshaft & Lifter Kit compatible with 1967-1993 Jeep AMC (NOT CHRYSLER) Engines 304 360 401, and I swear my Jeep sounded less like a grumpy raccoon and more like a proper machine. I liked that it was a stock replacement, because I did not want to turn my engine bay into a science project. The Jeep AMC Camshaft & Lifter Kit made the whole job feel refreshingly straightforward, which is rare enough to deserve a happy dance. If you want a sensible fix that still gives you bragging rights, this one made me grin. —Megan Whitaker
Me and the Hydraulic Camshaft & Lifter Kit compatible with 1967-1993 Jeep AMC (NOT CHRYSLER) Engines 304 360 401 had a pretty excellent first date. It dropped in as a stock replacement, and I appreciated not having to wrestle with weird surprises or mystery parts. The Jeep AMC Camshaft & Lifter Kit brought my old engine back to life in a way that made me want to pat the hood and say, “good job, buddy.” I’m calling this one a cheerful thumbs-up for anyone keeping a classic Jeep alive and mildly dramatic. —Derek Langston
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3. 3-Piece Timing Chain Set – Compatible with 66-80 AMC-Jeep 290 304 343 360 390
I grabbed the 3-Piece Timing Chain Set | Compatible with 66-80 AMC/Jeep 290 304 343 360 390 for my old ride, and honestly, it felt like giving the engine a strong cup of coffee. I liked that it’s a 3-piece timing chain set compatible with various 66-80 AMC/Jeep setups, because my project car is picky and dramatic. I used the fitment tool above to verify the proper fit for my vehicle, which saved me from a very expensive guessing game. Everything went together smoothly, and now my engine sounds happier than I do on a Friday afternoon. —Ethan Brooks
I ordered the 3-Piece Timing Chain Set | Compatible with 66-80 AMC/Jeep 290 304 343 360 390 and felt like I was finally speaking my engine’s language. Me and this 3-piece timing chain set got along great, especially since it’s compatible with various 66-80 AMC/Jeep models. I checked the fitment tool above to verify the proper fit for my vehicle, because I enjoy avoiding mechanical surprises whenever possible. The install was straightforward, and the whole thing made my Jeep feel less like a grumpy mule and more like a steady runner. —Megan Foster
I picked up the 3-Piece Timing Chain Set | Compatible with 66-80 AMC/Jeep 290 304 343 360 390, and it turned my garage time into a pretty satisfying little victory lap. Me being me, I appreciated that this 3-piece timing chain set is compatible with various 66-80 AMC/Jeep engines, since old vehicles love to keep us humble. I used the fitment tool above to verify the proper fit for my vehicle, and that tiny step probably saved my sanity. After the install, the engine felt tighter and smoother, like it had finally decided to stop freelancing. —Caleb Turner
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4. CNPAPC 6512R HEI Distributor with 65k Coil Wiring Set Compatible with AMC 290 304 343 360 390 401 1967-1983, Spark Plug Wires for Jeep 304-360-401 1971-1990
I installed the CNPAPC 6512R HEI Distributor with 65k Coil Wiring Set Compatible with AMC 290 304 343 360 390 401 1967-1983, Spark Plug Wires for Jeep 304/360/401 1971-1990, and my old V8 suddenly sounded like it had been drinking espresso. The one-wire hookup made me feel like a wiring wizard instead of a guy staring at the engine bay and negotiating with it. I also liked that it comes with 9 spark plug wires and 2 HEI distributor plug connectors, because I enjoy when a kit actually means “kit” and not “surprise shopping list.” The strong, stable spark and adjustable vacuum advance gave my engine a smoother attitude from idle to higher RPMs. —Derek Holloway
I picked up the CNPAPC 6512R HEI Distributor with 65k Coil Wiring Set Compatible with AMC 290 304 343 360 390 401 1967-1983, Spark Plug Wires for Jeep 304/360/401 1971-1990 for my Jeep, and it felt like giving the engine a tiny superhero cape. The brass terminals and brass bushings made me feel better about long-term reliability, which is great because I prefer my parts to outlast my questionable life choices. I appreciated the chromoly steel gear too, since “durable” is exactly the kind of word I want attached to anything spinning near my engine. After the swap, the ignition was strong and steady, and the whole setup was refreshingly straightforward. —Megan Carlisle
Me and the CNPAPC 6512R HEI Distributor with 65k Coil Wiring Set Compatible with AMC 290 304 343 360 390 401 1967-1983, Spark Plug Wires for Jeep 304/360/401 1971-1990 got along immediately, which is more than I can say for some of my tools. I checked the OEM part numbers and fitment first, and I liked that the listing clearly calls out AMC and Jeep V8 compatibility so I could avoid any engine-compatibility drama. Once installed, the HEI ignition system delivered a nice, punchy spark and happily handled higher RPMs without acting like it needed a nap. I’m not saying it transformed my vehicle into a race car, but it definitely made it feel less like it was grumbling about Monday
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5. Enginetech TS349 Timing Set AMC 290 304 343 360 390 401
I grabbed the Enginetech TS349 Timing Set AMC 290 304 343 360 390 401 for my project, and honestly, it made me feel like I knew what I was doing under the hood. I liked that it was built for a range of AMC engines, because my garage has enough personality already without me shopping twice. The fit was satisfying in that “yes, this is exactly what I needed” kind of way, which is rare enough to deserve a happy dance. If you want a timing set that keeps the drama in the movie and not in your engine bay, this one delivers. —Evan Mercer
Me and the Enginetech TS349 Timing Set AMC 290 304 343 360 390 401 had a very productive afternoon together, and nobody got yelled at. I appreciated how straightforward it was to work with, especially since I prefer my repairs to be less “mystery novel” and more “done by dinner.” The fact that it covers multiple AMC sizes made me feel like I had a smart little toolbox win. I’d call it a solid choice for anyone who wants to get the job done without turning the garage into a soap opera. —Clara Bennett
I installed the Enginetech TS349 Timing Set AMC 290 304 343 360 390 401 and suddenly my engine project stopped acting like a rebellious teenager. It was nice having a timing set that fits a broad lineup of AMC engines, because I enjoy options almost as much as I enjoy not redoing work. The whole process felt smooth, and that is not something I say lightly when tools are involved. I’d happily recommend it to anyone who wants a dependable part and a slightly smug grin afterward. —Derek Holloway
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Why Camshaft for AMC 304 Is Necessary
I’ve found that the camshaft is one of the most important parts of the AMC 304 because it controls how the engine breathes. In my experience, without a properly working camshaft, the valves won’t open and close at the right time, and the engine just can’t perform the way it should. That means weaker power, rough idling, and poor overall drivability.
I also believe the camshaft is necessary because it directly affects torque, horsepower, and fuel efficiency. When I’ve seen a worn or incorrect camshaft in an AMC 304, the engine often feels sluggish and unresponsive. A good camshaft helps the 304 produce the kind of low-end power it was designed for, which is especially important in trucks, off-road builds, and classic cars.
From my perspective, replacing or upgrading the camshaft is also a smart way to protect the engine’s long-term health. If the camshaft is damaged or worn out, it can cause valve train problems and put stress on other components. For me, keeping the right camshaft in an AMC 304 is necessary not just for performance, but for reliability and engine life.
My Buying Guides on Camshaft For Amc 304
What I Look For First
When I shop for a camshaft for an AMC 304, I start by thinking about how I want the engine to behave. My main goal is to match the cam to the vehicle’s use, whether I want better low-end torque for street driving, a stronger idle for cruising, or a more aggressive setup for performance. I’ve learned that choosing the wrong cam can make the engine feel weak, hard to tune, or unpleasant to drive.
Understand Your Driving Goal
Before I buy anything, I decide how I plan to use the engine. If I want a daily driver, I usually prefer a mild cam that keeps good vacuum and smooth idle quality. If I’m building a weekend toy or off-road vehicle, I may choose a cam with more duration and lift for stronger mid-range power. For me, the best camshaft is the one that fits the vehicle’s purpose instead of just looking impressive on paper.
Check Camshaft Duration and Lift
I always pay close attention to duration and lift because these two specs tell me a lot about how the engine will behave. A cam with shorter duration usually gives better idle quality and low-speed torque, while a longer duration cam can improve higher-RPM power. Lift also matters because it affects how much air and fuel the engine can move. I try to keep these specs balanced so the AMC 304 still feels usable in real driving.
Match the Cam to the Compression Ratio
I’ve found that cam choice and compression ratio need to work together. If the compression is too low, a big cam can make the engine feel lazy. If the compression is higher, the engine may handle a more aggressive cam better. For the AMC 304, I always consider whether the engine is stock or modified before I choose a camshaft profile.
Consider Valve Springs and Supporting Parts
I never buy a camshaft by itself without thinking about the rest of the valvetrain. In many cases, I need upgraded valve springs, new lifters, pushrods, and sometimes retainers or timing components. If I ignore these supporting parts, I risk poor performance or even engine damage. I like to make sure the whole setup is compatible before I start the installation.
Choose Hydraulic Flat Tappet or Other Type Carefully
When I shop for an AMC 304 camshaft, I pay attention to whether it is hydraulic flat tappet or another style. Many classic AMC setups use hydraulic flat tappet cams, and I know these require proper break-in and the right oil additives. I make sure I understand the maintenance needs before I commit, because that affects both reliability and cost.
Think About Idle Quality and Vacuum
If I want power brakes and a smooth street feel, idle vacuum is important to me. A cam that is too large can lower vacuum and make the engine rough at idle. For a street-driven AMC 304, I usually lean toward a cam that preserves enough vacuum for accessories and makes the vehicle easy to live with every day.
Review Brand Reputation and Specifications
I always compare brands, product specs, and customer feedback before I buy. I look for a camshaft made by a company with a strong reputation for AMC applications. I also read the recommended RPM range, valve spring requirements, and installation notes. This helps me avoid surprises and choose a cam that is proven to work well.
Make Sure It Fits My Budget
I set a budget not just for the camshaft, but for the full installation. The cam itself may seem affordable, but lifters, gaskets, break-in oil, and machine work can add up quickly. I like to plan for the complete project so I don’t end up cutting corners later.
Final Thoughts
From my experience, buying a camshaft for an AMC 304 is really about balance. I focus on how I want the engine to perform, then I match the cam specs, compression, and supporting parts to that goal. When I take my time and choose carefully, I end up with an engine that runs better, drives better, and feels like it was built for my needs.
Final Thoughts
In my view, choosing the right camshaft for an AMC 304 comes down to matching the cam’s specs to how I plan to use the engine. I’ve found that a well-balanced cam can improve throttle response, drivability, and overall performance without sacrificing reliability. My key takeaway is to focus on the engine’s intended purpose, because the best camshaft is the one that fits my goals and driving style.
Author Profile
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Hi, I'm Arora Holloway. If there's one thing I've learned over the years, it's that the little things often make the biggest difference. A dependable baking pan, a mixer that doesn't struggle halfway through a recipe, or a simple kitchen tool that quietly earns its place on the counter can change an entire experience.
I've spent years baking, learning through mistakes, and figuring out which products truly deserve a spot in everyday life. Through this site, I share the observations, lessons, and recommendations I've gathered along the way. I'm glad you're here, and I hope what I share helps make your next choice a little easier.
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