Who Makes the Best 4150 Carburetor Rebuild Kit?

There are a lot of 4150 style rebuild kits on the market today. Some great, some good, some downright horrible. We'll look at the three most popular and easiest to get a hold of and see how they compare.

#carburetor #holley #edelbrock

[stevenbongiorno]

I remember using cooking spray on the old brown Holley gaskets, to help removing them, back in the eighties. Then the blue ones came out and they were so much better. I have used a set of the red ones from a Proform carb body kit, too. I’m liking the AED kit, cause the hardware that’s included, but I usually don’t damage my idle mixture screws, and I’m very careful about doing any adjustments. I’ve got an old 650 double pumper from over 30 years ago. I’ve been using and modifying 1850s and 3310s since then. I wanna give the 650 another shot, now that I’ve upgraded my engine, gears, and exhaust. My opinion is that I would most likely go with the AED kit, just because of the extra hardware. As far as my 4160 rebuilds have gone, I’ve always either bought the blue gaskets, and the Holley rebuild kit. Thanks for the advice! 👍

[VinoRatRodbuilds]

Well with looking at this review that you did and all the knowledge that you've gained over time, me personally if I chose to rebuild my carburetor I would look at maybe using pieces from each kit what's your opinion.

[briang]

I have had issues in the past with the edelbrock metering block gaskets not clearing the plastic bowl vent baffle and I had to trim them with a razor blade to fit properly, overall I have had the best luck with the Holley kits, the AED kits are good but I find with their red bowl gaskets that you really have to crank down the float bowl bolts really tight to get them to seal. Personally I rank Holley the best, then AED, then last the edelbrock, I was not very impressed but I will admit it is nice they are readily available locally usually same day or next day but if I can wait I choose the Holley kits.

[richardrichard]

I prefer the holley kits great luck with the blue gaskets when changing jets pop right off and reusable many times

[nathandean]

The last 15 AED kits I got had a 4.5 PV in them, also I’ve found that the red gaskets are nice for not sticking but tend to shrink when the set for a few months and I’ve seen a couple start to come apart inside the float bowl.

[charlielitz]

1st off thank you. I have learned a lot. I still don't understand edelbrock but I grew up will Holly's and been a fan since. I'm about to rebuild a 4150. What do u think the best rebuild is? That has everything. No matter the cost.

[raymondsanderson]

Use Pam cooking spray on your metering lock an bowl gaskets an it makes them not stick if you have to change something internal.

[outlawbillionairez]

I'm surprised it was that close between kits. I've seen videos on Chinese carbs, and I was wondering if they use standard replacement parts?

[paul]

I believe AED also makes the best varient of a 4150.

[Bartstine]

hi, does this kit fit all 4150? I have a Holley 2818-1.

[tommytron]

Edelbrock makes a rebuilt kit for a holly?
What next
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Up is down.

[pacbrian]

what about the cheap kits on summit or amazon?

[billfioretti]

Thank you for this. I still prefer the Holley stuff. The Holley accelerator pump (blue "Viton") diaphrams are the only ones pictured that are compatible with ethanol based fuels. NONE of the metering plate/fuel bowl gaskets are user friendly over time. Holley power valves pictured are window high-flows. So are their 110s needle/seat assys. Bowl screw gaskets of neoprene leak over time esp. with ethanol All companies should return to the fiber gaskets here. Not mentioned and not a part of the kits are clear plastic fuel bowl sight plugs and o-ring seals esp. the early ones, deteriorate and leak over time. An interesting sidenote... Holley stopped installing the the two most central "Phillips" throttle plate screws to carb. body in the late '70's- early '80's. This was not to save money on screws. There were some complaints of them having come loose and falling into intake manifolds. Just make sure they're all tightened!

[axleratio]

I would go with the AED kit also because of the better metering block gaskets. The Holley blue gaskets are terrible. I have had them split and dry up before. Good comparison !

[johnmilner]

I use Holley kits b/c I like the blue gaskets and they never stick in my 4555 780 Holley. I never use plastic washers b/c I don’t trust them to be leak proof. I wonder if the same supplier makes them for all the 3 Companies. IMO I would not buy the Edelbrock, the gaskets just look cheap and would probably stick like the ol days cork gaskets which were a beatch to clean.

[crazees]

Blue Holley gaskets are great compared to the old brown and black ones. The black Edelbrock gaskets would scare me.

[dougaustintx]

Walker makes a decent kit that also has the blue bowl gaskets and they are priced better