Rochester carburetor part

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Sep 15, 2019 | 08:55 AM

fake

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Safety Car

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From: Glastonbury CT

Rochester carburetor part

What size screw cab be used on top of the ball bearing in a four barrel carburetor 17057204? Thanks Frank

Sep 15, 2019 | 01:05 PM

bmotojoe

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From: Seattle Area Washington

You mean the Retainer or (Plug) as its called in the 50-505-3 Instruction Sheet part #43. Corvette Parts & Illustration Catalog says 69-77 W/ROCH 4BC Gr.3.825 GM #7029849
Link from e-bay:https://www.ebay.com/itm/GM-PUMP-BAL...0AAOSwtZJY~k06
Or Used, Link from Quadrajet Parts.Com:https://quadrajetparts.com/used-acce...ner-p-442.html

Last edited by bmotojoe; Sep 15, 2019 at 01:24 PM.

Sep 15, 2019 | 03:06 PM

lars

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From: At my Bar drinking and wrenching in Lafayette Colorado

Quote:

Originally Posted by fake

What size screw cab be used on top of the ball bearing in a four barrel carburetor 17057204? Thanks Frank

If you're talking about the accel pump check ball, you cannot use a screw. You have to use the correct ball retainer that looks like this:

Lars

Sep 15, 2019 | 05:35 PM

fake

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Safety Car

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From: Glastonbury CT

Does that have a common head?

Sep 15, 2019 | 06:54 PM

lars

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From: At my Bar drinking and wrenching in Lafayette Colorado

The head is irrelevant.

Sep 15, 2019 | 08:43 PM

fake

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From: Glastonbury CT

Thanks i just ordered one because i lost the original i assume but the carb was given to me and it is for a 77 so who cares what it cost as long as i can get it to run.

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