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06-29-2019, 09:51 PM
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#1 |
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Registered User
Join Date: Jul 2018
Location: FESTUS, MO
Posts: 22
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Rochester Monojet Question
Hey All,
I was cruising down the road today when I hit the gas and the truck went haywire. I had to limp home after having to keep my foot on the gas to keep her running. It acted like a vacuum leak. Upon inspection, it looks like the screw that attaches the carb to the throttle body backed out and she's gone. Does anyone know the size of it? I figured it would be a quick trip to the hardware store if I knew the size. I've been searching to no avail online for any indicator of my question. Thanks, 72 GMC C15 250 inline |
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06-29-2019, 10:21 PM
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#2 |
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Registered User
Join Date: Aug 2009
Location: Bowser
Posts: 13,712
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Re: Rochester Monojet Question
Screw!
Exactly what screw? Vent screw? Mixture screw? Bowl screw? |
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06-29-2019, 10:26 PM
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#3 |
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Registered User
Join Date: Jul 2018
Location: FESTUS, MO
Posts: 22
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Re: Rochester Monojet Question
#45 on the diagram
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06-29-2019, 10:44 PM
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#4 |
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Who Changed This?
 
Join Date: Jan 2013
Location: Simi Valley, CA
Posts: 10,607
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Re: Rochester Monojet Question
That's probably a #12-24 screw. It's a little surprising that it could fall out and disappear. You may not be able to find a screw with that style head at the local BORG, but maybe.
__________________
~Steven '70 Chevy 3/4T Longhorn CST 402/400/3.56 Custom Camper Simi Valley, CA |
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07-06-2019, 07:36 PM
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#5 |
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Registered User
Join Date: Jul 2013
Location: LI, NY 11801
Posts: 1,140
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Re: Rochester Monojet Question
There should be two of them. Check the other one for dimensions.
__________________
1970 C10 8' Fleetside, L6 250, 3 on the Tree. The most basic of pickup trucks! |
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