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MSD 84335 Red Cap/Rotor Kit

Curated from 97 real Reddit conversations

Refreshed on: March 27, 2025

MSD 84335 Red Cap/Rotor Kit

Brand: MSD
Price: $49
Snoop Score:
2.9
Sentiment
5.0
Popularity
1.0
Technical
2.9

Snoop's Take

The MSD 84335 Red Cap/Rotor Kit is designed to enhance the ignition system of your vehicle, ensuring efficient performance and reliability. With features like high dielectric strength and stainless steel terminals, this kit is crafted for those seeking dependable ignition components. Consumer feedback highlights the kit's long-lasting reliability, with one user stating, "I’ve been running the MSD cap/rotor/coil for 15K miles. No issues." However, some users express a preference for other brands, such as AC Delco, suggesting alternatives if issues arise with the MSD components. Overall, while the MSD kit is praised for its reliability, potential buyers should consider other options based on user preferences and experiences.

Not for you? Check out our other rated Cap & Rotor Kit

I’ve been running the MSD cap/rotor/coil for 15K miles. No issues.

Positive Feedback

I like the ac delco cap and rotor the best for sure so go with one of those if you’re having issues with the msd stuff.

Negative Feedback
Product
2.9
MSD 84335 Red Cap/Rotor Kit
Aftermarket Replacement
3 / 10
Performance Upgrades
3 / 10
Routine Maintenance
3 / 10
Compatibility Focus
3 / 10
See how this compares to all Cap & Rotor Kit

What it does well!

Key strengths users can’t stop talking about.
Reliable performance over time
I’ve been running the MSD cap/rotor/coil for 15K miles. No issues.
MSD cap provides reliability compared to aftermarket replacements
A mistake alot of people make is preemptively replacing the optispark with a less reliable aftermarket unit.

Where it needs some work!

Areas to watch—feedback on possible improvements.
Preference for other brands over MSD
I like the ac delco cap and rotor the best for sure so go with one of those if you’re having issues with the msd stuff.
if i were to replace id go with AC Delco or equal.
Preference for other ignition systems over MSD
Ford Duraspark would be my choice.
Or if you have the original points distributor you can convert it with a petronix ignitor kit.
Pertronix IgnitorIII would be my choice.....been running them in vehicles for 25+ years now.
Unless you're running high rpm you don't really need a CDI box.

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Core Power Plays

The specs and strengths that make it shine.
Need for specific headers for D port exhaust
That LT1 is really the best of the older style small block Chevy engines. Tremendous potential.
Users discuss testing electrical connections using a test light.
a dead condenser will cause a NO SPARK, weak spark, no start.
Users discuss various distributor types and setups.
with a duraspark.. i also set the damper to 6 before.. turn the housing till the fingers on the reluctor align perfectly with the pickup coil center bar.
Thanks for posting on /r/MechanicAdvice! This is just a reminder to review the [rules](https://www.

Hidden Hero Hacks

Unexpected tricks and side‑door uses you’ll love.
Users enjoy timing their brake and rotor jobs.
Not bad at all.
Fun random fact, in the United States KitKat is made by Hersheys and in the rest of the world it’s m
Users discuss using zip ties for wire management
Just cut off the extra so you don't have a bunch is skinny black spikes sticking up all over your engine lol.
Discussion on modification choices for LT1 vehicles
what would be a good mods list of things that wouldn’t compromise reliability but still bump up horsepower.

Buyer’s Cheat Sheet

What to check before you click ‘Add to Cart.’
Brakes and rotors installation is straightforward for many users.
I love how stupidly easy my 13 is to work on!
My 2013 was an absolute piece of cake for brakes and rotors.
Red Bull's Team Kit and Driver Caps for the 2024 season
[The **Photo** flair](https://www.reddit.com/r/formula1/wiki/flairguide#wiki_photo) is for submissio
Experience varies with different vehicle models regarding ease of installation.
It was way easier than my sn95 mustang, lol.
Installation experience varies with vehicle models
Gotta hurry up and start a raid in burger town.
Discussion on upgrading fuel systems before ignition systems
I would upgrade the fuel system first. It was barely capable in the first place.
I'm not sure if it'll work, but are you planning any upgrades to the fuel supply?
Consideration of PCM swap for LT1 engine
Unless you can repin/chip you will also likely need to think about a 0411 PCM swap.
Users recommend ensuring proper wire routing to avoid interference
Definitely do plugs, looms, wires, and a cap and rotor if they haven't been replaced recently.
Users mention the importance of proper gapping for breaker points.
It's easy to not have the breaker points gapped right.
Discussion about affordable ignition setups for non-racing applications
What are some good ignition setups without braking the bank?

Cautionary Callouts

Know the pitfalls before they catch you off guard.
Users speculate on electrical issues due to aging components
The computers get old, the solder breaks, the capacitors fail, and they cause electrical issues.
They have capacitors that leak and cause havoc.
Discussion on potential intake gasket leaks affecting performance
chasing a surging idle on fox body’s and sn-95 302 can make one batshit crazy!
Users suggest reverting to original points and condenser for troubleshooting.
Or buy a Mallory Unilite conversion kit. It uses your old style cap and takes place of those shitty points.
Users share experiences with aftermarket optispark units
Optispark - 60% of the time, it works every time.
Users reminisce about past vehicles and modifications
I’d really love to find that car and buy it back to restore for my son when he turns 16.

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