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kstandri1963 Forum Newbie Posts 28 |
 06-17-12 12:24 PM - Post#2238291
Hi All: I know I have seen this question before but I cannot find the post so here it goes. I have a 1963 Impala with a 327 300HP engine. It also has a Muncie 4 speed. I have a 1963 carter carburetor that has seen better days and after 3 rebuilds and 1 remanufacture it still does not work right. I am looking at getting an Edelbrock carburetor to replace it. I am trying to decide between the 500 and 600 CFM versions. What are the pros and cons of both? Thanks, Ken 
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jt283impala Member Posts 84 
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06-17-12 01:25 PM - Post#2238306
I have the 600 cfm and Performer manifold on my 283. I was concerned when I first installed the 600 cfm that it would be too much for the 283, but I have had no performance problems. The car runs so much better with the Edelbrock, than with the rebuilt stock ones. |
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del.impala Contributor Posts 349 |
06-17-12 01:33 PM - Post#2238309
The 600 cfm carburetor is the way to go. It'll give you great throttle response . |
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62chevy427 "7th Year" Silver Supporting Member Posts 1516 
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06-17-12 06:17 PM - Post#2238435
i'm running a 600 cfm edelbrock and a performer intake an the 327 in my 65 el camino. works well.
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dwmtl1000s Contributor Posts 140 |
06-17-12 07:04 PM - Post#2238452
64 327 owner hear as well running the 600 to! |
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carbking Senior Member Posts 1151 
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06-18-12 05:53 AM - Post#2238601
Hi All: I know I have seen this question before but I cannot find the post so here it goes. I have a 1963 Impala with a 327 300HP engine. It also has a Muncie 4 speed. I have a 1963 carter carburetor that has seen better days and after 3 rebuilds and 1 remanufacture it still does not work right. I am looking at getting an Edelbrock carburetor to replace it. I am trying to decide between the 500 and 600 CFM versions. What are the pros and cons of both? Thanks, Ken Have you considered the possibility that if, after 3 rebuilds and a remanufacture that you are still having issues; that maybe you have other issues than the carburetor? The original Carter is superior in design, reliability, and performance to either of the clones, but your decision. However, Carter rated the 3721s (factory replacement for the 1963 327/300 S/T) at 575 CFM. Jon.
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kstandri1963 Forum Newbie Posts 28 |
06-22-12 05:38 PM - Post#2240287
I took it to a mechanic I trust and he advised me to replace the carburetor. He worked on it for days and got it working for a tiime, but when sets for a week or so and the problems come back. I had a edelbrock on it while I was having the carter remanufactured and it ran fantastic. I the problems continues to persist I may foot the bill for fuel injection. |
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kstandri1963 Forum Newbie Posts 28 |
06-30-12 05:20 PM - Post#2243078
I would like to thank everyone for their input. I have gone through my car one last time before springing for a carburetor and nothing has changed. It appears that fuel is somehow leaching down into the engine again. It was doing that once before and I sent it to national carbs for a remanufacture. I will just change out the caburetor. |
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BigCoop64 Senior Member Posts 538 
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06-30-12 08:24 PM - Post#2243139
i may be on the late show,but what type of problems are you having? maybe its not the carb,considering youve been through a few rebuilds and a reman. maybe someone could/will have a differnet solution if we knew what the problem was.
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kstandri1963 Forum Newbie Posts 28 |
07-01-12 05:22 AM - Post#2243218
My 1963 Carter carburetor has been giving me problems for years. After the carburetor started leaching gas into the engine 6 years back I sent it to National carbs and they remanufactured it and things got better. I gave my car to a restorer about 4 years ago to get rid of rust, repaint and update the brakes and steering. He went out of business and I lost about $30,000 not to mention my car was in sad shape. I he had it for a couple of years and did replace some bad metal, put on front disk brakes and put it back together. I have been working with a mechanic I trust to try to get it running right. The carburetor has been giving me fits. The car has been hard to start, trying to stall when I press on the gas hard, and sometimes I can smell gas. The carburetor has been rebuilt again from top to bottom, the accelerator pump replaced twice, and adjusted numerous times in the last year. I checked my plugs again this week and they were wet and fouled out. Everyone of them. For now I am going to replace the carburetor and put this one on the shelf. I have other issues I need to address. |
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kstandri1963 Forum Newbie Posts 28 |
07-08-12 01:34 PM - Post#2245761
I had a very successful carburetor change out and the car runs better that it has in years. I have one more question on the issue. How do I plug the hole in my passenger side exhaust manifold where the choke tube was? |
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doubleE Valued Contributor Posts 3694 
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07-09-12 05:22 PM - Post#2246312
I forced a bolt (screwed in)into the hole, cut it off flush with a hack saw, hit it a few times with the MIG welder followed by a little touch up grinding. Once paint with high temp manifold paint, looks like it was only a boss in the casting. Eric
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dcairns "4th Year" Silver Supporting Member Posts 1553 
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07-09-12 07:53 PM - Post#2246376
You don't need to plug it unless the tube inside is broken/missing. The top manifold had the tube removed and the holes welded up. The bottom is a new manifold showing the tube. 
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kstandri1963 Forum Newbie Posts 28 |
07-11-12 03:23 PM - Post#2247122
Thanks. My exhaust manifolds are new or less than 2 years old. I will just watch for a change in sound. |
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