Help - need float adjustment measurements!

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Help - need float adjustment measurements!

Postby gotmud7 » Fri Apr 24, 2009 8:37 pm

For a Rochester 2 barrel. 1972 Vega. I need to know the 2 measurements for adjusting the float. The rebuild kit I have only shows for V8's. And the numbers seem way off. Quarter inch or so. Thanks.
The only Vega's that only had a little rust were the ones still on the assembly line.
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1972 Chevrolet Vega GT


Re: Help - need float adjustment measurements!

Postby cosvega76 » Sun Apr 26, 2009 6:58 am

What's the carb number?

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1973 Chevrolet Vega GT

Re: Help - need float adjustment measurements!

Postby gotmud7 » Sun Apr 26, 2009 11:56 am

Rochester 2 Jet
7042107
3121AF1
The only Vega's that only had a little rust were the ones still on the assembly line.
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1972 Chevrolet Vega GT

Re: Help - need float adjustment measurements!

Postby cosvega76 » Mon Apr 27, 2009 10:40 am

From the 1972 Vega Shop Manual:

7042107 Rochester 2GV with manual trans

Float Level: 19/32"
Float Drop: 1-7/8"
Acc. Pump Rod: 1-1/16"
Choke Rod (Fast Idle Cam): .080"
Choke Vacuum Break: .100"
Choke Unloader: .215"


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1973 Chevrolet Vega GT

Re: Help - need float adjustment measurements!

Postby gotmud7 » Tue Apr 28, 2009 11:56 am

Thanks Chuck. I never thought to look in the car manual. Doh!
The only Vega's that only had a little rust were the ones still on the assembly line.
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1972 Chevrolet Vega GT


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