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Old 04-22-2009, 07:16 AM   #1
fdbdw
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2bbl rochester screws

Was wondering if changing the air mixture springs and screws is as easy as just unscrewing the old ones and putting new ones in and setting mixture or is there more involved, dont want to spend to much time and energy on this carb cause its getting replaced in a few months
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Old 04-22-2009, 07:30 AM   #2
JimKshortstep4x4
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Re: 2bbl rochester screws

It is that easy!

Jim
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1971 Shortbox step side 4x4, 350 sbc, 3:07 rear end
1965 Impala SS 400 sbc, Muncie rock crusher
1966 Impala SS 396 bbc, TH 400
1969 El Camino, 350 sbc, TH 350
1971 Snowplow built on a Blazer frame
1972 GMC Short bed, stepside, TH 400, 427 BBC
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Old 04-22-2009, 06:43 PM   #3
fdbdw
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Re: 2bbl rochester screws

Is it benificial to spray carb cleaner in the holes while I have the screws out, also Ive heard that you should spray some air after the carb cleaner, curious on what thats about, thank you
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Old 04-22-2009, 07:12 PM   #4
68gmsee
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Re: 2bbl rochester screws

Carb cleaner won't hurt and you don't have to blow air in after it... I would make sure that you see how many turns you can screw it in before it bottoms out so that you can get an approximate location for the new ones. I alway adjust mine with a vacuum gauge for best reading at idle.
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