are ya partial to holleys. not that i'm an original numbers matching guy but for all around performance and economy i do like a spreadbore. okay my bad the original option back then was a squarebore. not really a great carb. stick with the holley.
I used one similar on my 65 Acadian. I'm trying to remember the number. I think it was a 40857. It's a 600 vac secondary. It worked great on there, the little bit that I drove the car before I sold it. The new buyer told me he drove the car a fair bit this summer and it runs great, so I'd recommend that.
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1966 Strato Chief 2 door, 427 4 speed, 45,000 original miles
1966 Grande Parisienne, 396 1 of 23 factory air cars
I should add, I have always been anti-Holley but the intake I used on the 327 was made for a Holley, so I tried it. My carb of choice has always been Quadrajet.
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1966 Strato Chief 2 door, 427 4 speed, 45,000 original miles
1966 Grande Parisienne, 396 1 of 23 factory air cars
This is like asking what kind of spray gun is the best :)
Hard to beat the Q-jet for all around economy and performance. Even a badly tuned Q-jet runs. Here's the key - have someone who knows Q-jets rebuild them for YOUR application. It makes all the difference in the world and believe me I've tried many times with the best intentions to rebuild them myself. I finally gave up and now send them to a shop specializing in Q-jets. Bingo - we have bush. It's not a tinker yourself kind of carb imo for rebuilding but tuned it will go a long time without having to mess with it.
Personally I'm not a fan of Holley carbs. I've had many on cars and it always seems like I'm constantly adjusting them. A plus is they are very simple to work on/rebuild I guess. I've bought them new, used, rebuilt them, and had them built with so-so luck. Maybe I'm jinxed.
Edelbrock (AFB based design) carbs are good but the fuel economy isn't great. Probably not important for most people. Only had one but mine ran good out of the box on a 350hp 350 and was reliable. If you have a stock Quad manifold and have to use an adapter plate - don't! Mine ran poorly when I put it on another engine with the adapter plate and was only better after changing manifold. Easy to tune but the one I had you couldn't tune for a smooth transition onto the secondaries. It had slight WOT bog that drove me crazy.
Have to agree with Carl & Ray, Edelbrock or Carter AFB's seem to work for me. Have 2 Edelbrock [Thunder series] 500's on the 52 with progressive linkage, haven't touched them in almost 3 yrs. from first slight adj. from out of the box!!!! Also had 2 carter;s AFB on the Catalina for almost 13yrs. & never touched them either & put 45000 + miles on that car!!! Avanti has a 600 Holley & so far [1200 miles] has worked well, so on the fence but the Carter style is much easier to set up!!
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Some times I wake up GRUMPY, but today I let her sleep in !!!!!!!!BLACKSTOCK Ont.
I take it you havent had the carb off yet....If you look, there is an adapter under that carb. It is likely the the stock 327 manifold that takes a Rochester 4 jet carb...early 4bbl with smaller venturies than the Holley. Any Holley or Edelbrock (Carter) square bore carb should fit that adapter....but, if it were me, I would look for an Edelbrock Performer manifold and lose the adapter. Adapters tend to make carbs do strange things in my experience
The question asked was what NEW carburetor would you recommend.
If old and rebuild is an option I have boxes of Quadrajets to choose from but you'll have to wait for spring because I don't like rooting through the shed in the winter. Fact is I just sold a smoking deal to Roger the Rabbit a nice 500 Caddy Quadrajet.
You need the one I just bought for my Olds. It came off a 65 Impala. It's for a 300 horse 327 1964 1965 Carter AFB 3721 S, that is the correct carb for your car. Well actually, for a standard transmission model, but check the numbers. I might be willing to part with it if you're interested. Check with me later, if you like.
The question asked was what NEW carburetor would you recommend.
If old and rebuild is an option I have boxes of Quadrajets to choose from but you'll have to wait for spring because I don't like rooting through the shed in the winter. Fact is I just sold a smoking deal to Roger the Rabbit a nice 500 Caddy Quadrajet.
Smoking deal is right! I think that carb is brand new.... May have been on the shelf at a dealership ? Sure doesn't appear to have been in service...like new condition .
thanks...Ray!
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later...rog
AADD supporting member !!
I'm a collector...not a builder!!Located in sunny central Saskatchewan at the lakehead!