(Login fast_67ford) from IP address 71.113.184.206
Hello im hoping someone hear can help me out, I need an autolite 4100 carb But i dont have a core i can rebuild, so i was thinking of buying a remanufactured one from autozone. But i dont know if their any good or not, Has anyone ever ordered one before, if so how do i know what model thell send me.
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You will have no choice in the casting number you will recieve.
Here is the difference between a remanufactued carburetor and a rebuilt carburetor.
A rebuilt carburetor should have all of the following qualities. It should have been matched to your vehicle and application, It should have been rebuilt using a top quality kit. All the original parts should be reinstalled or replaced using the exact same parts. The rebuilder should have bench set the carb to your unique application for that exact carburetor. They also should have taken the time to inspect and make sure that all of your individual parts met the factory specs and are working correctly. Usually you are having a carburetor rebuilt that is a known, either one off of the original vehicle or a known core.
A remanufactured carburetor comes from a large assembly line, They look at a hollanders exchange manual and treat all like carburetors the same (so a 2100 is a 2100 whether it is a .98 venturi or a 1.23 venturi, likewise with a 4100, they treat 1.08 and 1.12 as the same carburetor)(incidently now-a-days most remanufacturers take hi-performance cores that that recieve and pick them off of their lines and sell them seperately for a whole lot more money). When they remanufacturer them they use generic parts usually of lesser overseas quality (actually most major remanufacturers are now overseas). They use cores that have been turned in or bought from the wholesale market (wrecking yard turn-ins) so the carbs are unknown, and in the best case scenario usually have one or in most case scenarios have many inherent problems. Because they are built on an assembly line process, they are not inspected closely, nor by carburetor experts, so if they have obscure problems, these can be passed on to the customer. Things like main body cracks especially in had to see areas (like around idle mixture screws) can be common.
These carbs usually are a hodge podge of mixed years parts, in the case of 2100/4100's having completely different boosters, mixture of tops, differing choke mechanisms, accelerator vents, and even screws from what the stock carburetor had.
They are also set to a generic settings which may or may not be to your vehicle's exact liking.
Because they are built on a large scale sometimes even the cleaning process is not the best, I have seen remanufactured carbs with the boosters solidly blocked.
Overall it can seem to be a cheap way to pick up a carburetor especially with the prices of a 4100 for example however you really are getting a pandors boxsince you have no way to determine what you are getting.
If you are choosing this method you do have a couple of things to protect yourself, Firstly find out what carburetor came stock on your vehicle, and find all the applicable part numbers for it. Also find part numbers that would be for vehicles very similiar to your vehicle (for example a 65 galaxie 390 4100 carburetor would be very similair to any 63-66 galaxie 4100).
Then look through those applicable shop manuals and look to see what those carburetors looked like, especially the chokes, accelerator pumps, tops, vents, vacuum lines.
Then hit the auto part stores and when the person on the counter presents the carb check out the number, and look to see if it is the same and not a hodge podge of other years parts.
THEY WILL TELL YOU IT DOESN'T MATTER BUT REMEMBER THEY ARE TRYING TO GET YOU TO BUY THAT PART. YOU HAVE THE MONEY AND SHOULD GET WHAT YOU WANT THAT IS VERY IMPORTANT. I WOULD EVEN GO SO FAR TO HAVE THEM REORDER A PART AND ASK FOR A SPECIFIC NUMBER IF YOU CAN.
If posible I would even pull the top top see if the original booster is installed and correct jetting.
Then I would consider rebuilding it with a quality kit and resetting the bench setting to your application.
Remember you always get what you pay for in the end.
Hope that helps,
Bill White
White Automotive
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do i buy a mystery carb from a parts store, or a most likely unusable core from ebay. Plus im not the best at rebuilding anything i wouldnt be sure where to start.
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And one I tell lots of my customers is to watch for older parts cars or older wrecking yards and pick up a carb that is off of a car rather than a loose unknown one. If you are careful and have a good eye and armed with a bit of Ford part number knowledge it is relatively easy to find and get an original carburetor off of a vehicle with not to much trouble.
As far as rebuilding the 2100 and 4100, they are also very simple to rebuild, in fact that is what this forum is all about. If you can take one off of a manifold you probably have enough mechanical sense to rebuild one.
Look for one with free butterflies will help you out in the long run. Since frozen carbs can lead to problems for beginners and become a bit of a challenge.
I emphatically urge people to stay away from remanufactured since now-a days they really can lead to lots of complications due to the mismatch of years of parts.
Ebay and swap meets are good, but now tend to be more expensive than thay used to be, but sometimes deals can be found.
Bill White
White Automotive
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HAVE A NICE DAY!!!!