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Username Post: 57 Belair carb kit        (Topic#365528)
PtownBubba 
Member
Posts: 29

Loc: Illinois
Reg: 07-30-06
06-16-21 09:22 AM - Post#2821668    

I need a carb kit for my 57 BelAir 6cyl. Rochester Carb. # 7003536-C-13. or even a reman. carb. Cannot fin a kit that says it is for this number,, numbers are close,, but not the same.

Bubba and Kathy Illinois


 


57210sportsedan 
Member
Posts: 50

Loc: Germany / Georgia (US)
Reg: 02-06-03
06-16-21 12:36 PM - Post#2821679    
    In response to PtownBubba

The carb kits are pretty much universal for all Rochester 1 barrels (B manual choke, BC automatic choke, etc). The only main difference in my experience at least, is the accelerator pump. There is one type that has a c-clip at the top of a round rod and one where the rod flattens out with a slot in it. If you make sure your kit has the right pump, you should be golden.

And I would order everything from Mike's Carburetors as not only is he the Rochester expert but his kits are also good for that crappy ethanol fuel.

https://www.carburetor-parts.com/

Markus
57 Chevy 210 Sport Sedan
70 Triumph Spitfire
bought and sold a few more ...


Edited by 57210sportsedan on 06-16-21 12:37 PM. Reason for edit: No reason given.

 
PtownBubba 
Member
Posts: 29

Loc: Illinois
Reg: 07-30-06
06-16-21 02:12 PM - Post#2821685    
    In response to 57210sportsedan

Thanks much,, I got a kit from Carbs Unlimited,,, I have the round stem accel. pump. The Carb. I have seems to be an odd one, it may not be stock for this engine. It is on a 57 chevy, that my Aunt bought new. I am the second owner.

Bubba and Kathy Illinois


 
carbking 
Senior Member
Posts: 1534
carbking
Loc: Missouri
Reg: 06-14-03
06-17-21 02:30 PM - Post#2821734    
    In response to PtownBubba

7003536 is a bowl casting number, pretty much worthless for carburetor identification. It cannot be used to purchase a rebuilding kit.

I know it was used on some of the early 1950's carbs.

My Rochester type B literature is really not overly complete, as for Chevrolet, I happen to believe in the ABC's of carburetion (A)lways (B)uy (C)arter

The newest carb I show using this casting is 1954, but again, my Rochester B data is not really complete.

As for the kits for the B's being universal??? We offer more than 60 DIFFERENT kits for the various Rochester B carburetors.

I have two suggestions:

(1) Forget the Rochester, and install a Carter type YF. For 1957 235 A/T the number is 3211s. For 1957 S/T (manual choke) the number is 2100s.

(2) Find a TAGGED Rochester (no, I do NOT have one, I thankfully finally got rid of all of my Rochester B's) correct for your engine. The number for an automatic transmission is 7009656, and for a standard transmission 7009657.

Once you have a known carburetor, you can then acquire the correct rebuilding kit, with correct parts; as well as know the calibration is correct for your engine.

Jon.

Good carburetion is fuelish hot air!

The most expensive carburetor you will ever buy.....is the incorrect one you attempt to modify!

If you truly believe "one size fits all", trying walking a mile in your spouse's shoes!


 
57210sportsedan 
Member
Posts: 50

Loc: Germany / Georgia (US)
Reg: 02-06-03
06-19-21 06:51 AM - Post#2821795    
    In response to carbking

I have probably rebuilt a dozen or more of these things over the past 40 years and yes, the carb kits I found covered most models as they are very similar (definitely not 60 different types or need for that many nuanced kits).

If it were me I would spend a couple hours rebuilding the Rochester rather than days of researching and possible re-engineering the throttle linkage, fuel inlet, choke tube, possibly jetting and air filter to fit something not designed for the car. The Rochester is a decent carb once it is dialled in.

Markus
57 Chevy 210 Sport Sedan
70 Triumph Spitfire
bought and sold a few more ...


 
carbking 
Senior Member
Posts: 1534
carbking
Loc: Missouri
Reg: 06-14-03
06-20-21 04:46 AM - Post#2821836    
    In response to 57210sportsedan

Calibration parts???

Vacuum springs, power valves, jets???

All of the above are in the better kits, requiring more diversity.

Jon.

Good carburetion is fuelish hot air!

The most expensive carburetor you will ever buy.....is the incorrect one you attempt to modify!

If you truly believe "one size fits all", trying walking a mile in your spouse's shoes!


 


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