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08-15-2017, 09:39 PM
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#1 |
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Registered User
Join Date: Aug 2014
Location: Overland Park, Kansas
Posts: 30
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Rochester model B tuning
Anyone have any literature on how to tune a rochester B carb? From what I've found is to set the idle screw to 600 to 700 rpm, adjust mixture screw to highest vacuum, then turn it back in until there is a 20 to 30 rpm drop, then turn it back out 1/4 of a turn. Is this correct?
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08-16-2017, 02:54 AM
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#2 |
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Hollister Road Co.
Join Date: Apr 2005
Location: Houston
Posts: 6,131
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Re: Rochester model B tuning
Idle should be between 450 and 500. at 6-700 your almost off the idle circuit into the transition circuit. I run the idle screw in till it stops. back out 1-1/2 turns and set to the highest vacuum idle at 450- to 500 at the correct timing
Last edited by dwcsr; 08-16-2017 at 01:09 PM. |
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